Shadow Systems LLC

United States of America

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New (last 4 weeks) 1
2026 September 1
2026 July 1
2026 (YTD) 3
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IPC Class
F41A 21/30 - Silencers 5
F41A 21/32 - Muzzle attachments or glands 5
F41A 21/36 - Muzzle attachments or glands for recoil reduction 5
F41A 3/26 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt 5
F41A 3/66 - Breech housings or framesReceivers 5
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Status
Pending 5
Registered / In Force 18
Found results for  patents

1.

SLIDE ASSEMBLY FOR A FIREARM

      
Application Number 19691726
Status Pending
Filing Date 2026-05-29
First Publication Date 2026-09-24
Owner Shadow Systems LLC (USA)
Inventor
  • Ribic, Anthony Joseph
  • Roe, Richard Trevor Simpson

Abstract

A slide assembly for a firearm can include a slide having a top side, a proximal end, a mounting recess about the top side of the slide, a housing recess about the proximal end of the slide, and a retaining hole intersecting the housing recess; an extractor assembly mounted within the housing recess; and an optic sight positioned at least partially in the mounting recess, the optic sight coupled to the slide by a fastener received by the retaining hole, the fastener extending at least partially through the housing recess.

IPC Classes  ?

  • F41A 3/26 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt
  • F41A 3/66 - Breech housings or framesReceivers
  • F41C 3/00 - Pistols

2.

TRIGGER ASSEMBLY

      
Application Number 19557956
Status Pending
Filing Date 2026-03-05
First Publication Date 2026-07-16
Owner Shadow Systems LLC (USA)
Inventor Ye, Benjamin Ni

Abstract

A trigger assembly can include a sear defining a trigger bar engagement surface and a reset notch; and a trigger bar including an upper leg, the upper leg defining a sear engagement surface, the upper leg deflectable from a default leg shape to a disconnected leg shape, the sear engagement surface laterally aligned with the trigger bar engagement surface when the upper leg is in the default leg shape, the sear engagement surface laterally misaligned from the trigger bar engagement surface when the upper leg is in the disconnected leg shape. A firearm having a striker and a trigger assembly, where a sear has a striker engagement surface having a primary engagement region when the striker is in a cocked position, and a final engagement point with a transition point therebetween.

IPC Classes  ?

3.

Suppressor

      
Application Number 19377353
Status Pending
Filing Date 2025-11-03
First Publication Date 2026-02-26
Owner Shadow Systems LLC (USA)
Inventor Roe, Richard Trevor Simpson

Abstract

A suppressed firearm can include a firearm including a slide; and a suppressor configured to mount to the firearm, the suppressor including a suppressor cap, the suppressor cap defining at least one protuberance configured to rotationally interlock with the slide. A suppressor cap can include a flange defining a through hole, the through hole defining an axis; a first lug extending axially outward from the flange, the first lug defining a first radially inner surface; and a second lug extending axially outward from the flange, the second lug defining a second radially inner surface positioned parallel to the first radially inner surface, the axis centered between the first radially inner surface and the second radially inner surface.

IPC Classes  ?

4.

Firearm Muzzle Accessory

      
Application Number 19289861
Status Pending
Filing Date 2025-08-04
First Publication Date 2025-11-20
Owner Shadow Systems LLC (USA)
Inventor
  • Roe, Richard Trevor Simpson
  • Ye, Benjamin Ni

Abstract

An accessorized firearm can include a firearm including a barrel having a main firing tube, the barrel provided with an alignment key; and a muzzle accessory including an accessory body having a through-channel and a surface provided with an alignment groove, the through-channel receiving the barrel of the firearm, the alignment groove receiving the alignment key, the alignment key rotationally fixing the muzzle accessory relative to the barrel.

IPC Classes  ?

5.

FIREARM WITH A MAGAZINE DISCONNECT

      
Application Number 18541055
Status Pending
Filing Date 2023-12-15
First Publication Date 2025-06-19
Owner Shadow Systems LLC (USA)
Inventor Ye, Benjamin Ni

Abstract

A firearm includes a frame defining a trigger opening and a magazine well; and a trigger assembly extending at least partially through the trigger opening, the trigger assembly movable relative to the frame between a forward position and a rearward position, the trigger assembly including: a trigger; a trigger safety movable relative to the trigger between an engaged safety position and a disengaged safety position; and a magazine disconnect extending at least partially into the magazine well, the magazine disconnect being movable relative to the trigger between an engaged disconnect position and a disengaged disconnect position, the magazine disconnect blocking the trigger safety from rotating from the engaged safety position to the disengaged safety position when the magazine disconnect is in the engaged disconnect position, the trigger safety being movable from the engaged safety position to the disengaged safety position when the magazine disconnect is in the disengaged disconnect position.

IPC Classes  ?

  • F41A 17/36 - Magazine safeties locking the gun in a safety condition when the magazine is empty or removed

6.

Trigger assembly

      
Application Number 18389133
Grant Number 12571602
Status In Force
Filing Date 2023-11-13
First Publication Date 2025-05-15
Grant Date 2026-03-10
Owner Shadow Systems LLC (USA)
Inventor Ye, Benjamin Ni

Abstract

A trigger assembly can include a sear defining a trigger bar engagement surface and a reset notch; and a trigger bar including an upper leg, the upper leg defining a sear engagement surface, the upper leg deflectable from a default leg shape to a disconnected leg shape, the sear engagement surface laterally aligned with the trigger bar engagement surface when the upper leg is in the default leg shape, the sear engagement surface laterally misaligned from the trigger bar engagement surface when the upper leg is in the disconnected leg shape.

IPC Classes  ?

7.

Suppressor

      
Application Number 18515943
Grant Number 12460887
Status In Force
Filing Date 2023-11-21
First Publication Date 2025-04-24
Grant Date 2025-11-04
Owner Shadow Systems LLC (USA)
Inventor Roe, Richard Trevor Simpson

Abstract

A suppressed firearm can include a firearm including a slide; and a suppressor configured to mount to the firearm, the suppressor including a suppressor cap, the suppressor cap defining at least one protuberance configured to rotationally interlock with the slide. A suppressor cap can include a flange defining a through hole, the through hole defining an axis; a first lug extending axially outward from the flange, the first lug defining a first radially inner surface; and a second lug extending axially outward from the flange, the second lug defining a second radially inner surface positioned parallel to the first radially inner surface, the axis centered between the first radially inner surface and the second radially inner surface.

IPC Classes  ?

8.

Magazine extension

      
Application Number 18985794
Grant Number 12523436
Status In Force
Filing Date 2024-12-18
First Publication Date 2025-04-10
Grant Date 2026-01-13
Owner Shadow Systems LLC (USA)
Inventor Ye, Benjamin Ni

Abstract

A magazine extension is provided. The magazine extension includes a baseplate structured to receive a lower open end of a magazine, the baseplate having a laterally extending through-bore; a side bracket structured to couple to the baseplate for securing the magazine, the side bracket having a laterally extending through-bore; and a locking pin insertable within both the through-bore of the baseplate and the through-bore of the side bracket to lock the side bracket to the baseplate.

IPC Classes  ?

  • F41A 9/71 - Arrangements thereon for varying capacityAdapters or inserts for changing cartridge size or type

9.

Slide assembly for a firearm

      
Application Number 18973517
Grant Number 12680770
Status In Force
Filing Date 2024-12-09
First Publication Date 2025-03-27
Grant Date 2026-07-14
Owner SHADOW SYSTEMS LLC (USA)
Inventor
  • Ribic, Anthony Joseph
  • Roe, Richard Trevor Simpson

Abstract

A slide assembly for a firearm can include a slide having a top side, a proximal end, a mounting recess about the top side of the slide, a housing recess about the proximal end of the slide, and a retaining hole intersecting the housing recess; an extractor assembly mounted within the housing recess; and an optic sight positioned at least partially in the mounting recess, the optic sight coupled to the slide by a fastener received by the retaining hole, the fastener extending at least partially through the housing recess.

IPC Classes  ?

  • F41A 3/26 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt
  • F41A 3/66 - Breech housings or framesReceivers
  • F41C 3/00 - Pistols

10.

Quick-connect muzzle accessory

      
Application Number 18800734
Grant Number 12546552
Status In Force
Filing Date 2024-08-12
First Publication Date 2024-12-05
Grant Date 2026-02-10
Owner Shadow Systems LLC (USA)
Inventor
  • Roe, Richard Trevor Simpson
  • Ye, Benjamin Ni

Abstract

A muzzle accessory for coupling to a firearm barrel, the firearm barrel including a chamber for receiving a firearm round, a firing tube extending distally from the chamber to a distal end of the firearm barrel, the muzzle accessory can comprise a main body having a proximal end, a distal end, a through-channel extending longitudinally between the proximal end and the distal end, and a keyed receptacle within the through-channel; and a lock coupled to the main body, the lock being positionable into an unlocked position to permit insertion of the distal end of the firearm barrel within the through-channel of the main body, the lock being further positionable into a locked position to prevent removal of the distal end of the firearm barrel from the main body after the firearm barrel is inserted into the through-channel.

IPC Classes  ?

  • F41A 21/32 - Muzzle attachments or glands
  • F41A 21/36 - Muzzle attachments or glands for recoil reduction

11.

Quick-connect muzzle accessory

      
Application Number 18119658
Grant Number 12104870
Status In Force
Filing Date 2023-03-09
First Publication Date 2024-07-11
Grant Date 2024-10-01
Owner Shadow Systems LLC (USA)
Inventor
  • Roe, Richard Trevor Simpson
  • Ye, Benjamin Ni

Abstract

A muzzle accessory assembly is provided. The assembly includes a muzzle accessory having a main body with a proximal end, a distal end, a through-channel extending longitudinally between the proximal end and the distal end, a keyed receptacle within the through-channel, and a slot, and a lock within the slot of the main body, the lock being positionable into an unlocked position and a locked position; and a firearm barrel within the through-channel of the main body, the firearm barrel having a chamber for receiving a firearm round, a firing tube extending distally from the chamber, and a coupling engaging the keyed receptacle of the main body, in which the firearm barrel is removable from the through-channel of the main body when the lock is in the unlocked position, and the firearm barrel is locked longitudinally and rotationally within the through-channel of the main body when the lock is in the locked position.

IPC Classes  ?

  • F41A 21/32 - Muzzle attachments or glands
  • F41A 21/36 - Muzzle attachments or glands for recoil reduction

12.

Firearm muzzle accessory

      
Application Number 18526718
Grant Number 12379179
Status In Force
Filing Date 2023-12-01
First Publication Date 2024-04-04
Grant Date 2025-08-05
Owner Shadow Systems LLC (USA)
Inventor
  • Roe, Richard Trevor Simpson
  • Ye, Benjamin Ni

Abstract

An accessorized firearm can include a firearm including a barrel having a main firing tube, the barrel provided with an alignment key; and a muzzle accessory including an accessory body having a through-channel and a surface provided with an alignment groove, the through-channel receiving the barrel of the firearm, the alignment groove receiving the alignment key, the alignment key rotationally fixing the muzzle accessory relative to the barrel.

IPC Classes  ?

13.

Slide assembly for a firearm

      
Application Number 18368615
Grant Number 12181240
Status In Force
Filing Date 2023-09-15
First Publication Date 2024-01-04
Grant Date 2024-12-31
Owner Shadow Systems LLC (USA)
Inventor
  • Ribic, Anthony Joseph
  • Roe, Richard Trevor Simpson

Abstract

A slide assembly for a firearm can include a slide having a top side, a proximal end, a mounting recess about the top side of the slide, a housing recess about the proximal end of the slide, and a retaining hole intersecting the housing recess; an extractor assembly mounted within the housing recess; and an optic sight positioned at least partially in the mounting recess, the optic sight coupled to the slide by a fastener received by the retaining hole, the fastener extending at least partially through the housing recess.

IPC Classes  ?

  • F41A 3/26 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt
  • F41A 3/66 - Breech housings or framesReceivers
  • F41C 3/00 - Pistols

14.

Firearm muzzle accessory

      
Application Number 17680067
Grant Number 11874078
Status In Force
Filing Date 2022-02-24
First Publication Date 2023-07-20
Grant Date 2024-01-16
Owner Shadow Systems LLC (USA)
Inventor
  • Roe, Richard Trevor Simpson
  • Ye, Benjamin Ni

Abstract

A muzzle accessory for installation on a barrel of a firearm is provided. The muzzle accessory includes an accessory body having a through-channel sized to receive the barrel of the firearm; and a locking member structured to engage the groove of the barrel to lock the muzzle accessory to the barrel.

IPC Classes  ?

15.

Magazine extension

      
Application Number 17943501
Grant Number 12209838
Status In Force
Filing Date 2022-09-13
First Publication Date 2023-07-20
Grant Date 2025-01-28
Owner Shadow Systems LLC (USA)
Inventor Ye, Benjamin Ni

Abstract

A magazine extension is provided. The magazine extension includes a baseplate structured to receive a lower open end of a magazine, the baseplate having a laterally extending through-bore; a side bracket structured to couple to the baseplate for securing the magazine, the side bracket having a laterally extending through-bore; and a locking pin insertable within both the through-bore of the baseplate and the through-bore of the side bracket to lock the side bracket to the baseplate.

IPC Classes  ?

  • F41A 9/71 - Arrangements thereon for varying capacityAdapters or inserts for changing cartridge size or type

16.

Auto-locking magazine extension

      
Application Number 17693839
Grant Number 11644257
Status In Force
Filing Date 2022-03-14
First Publication Date 2023-05-09
Grant Date 2023-05-09
Owner Shadow Systems LLC (USA)
Inventor
  • Roe, Richard Trevor Simpson
  • Ye, Benjamin Ni

Abstract

A magazine extender is provided. The magazine extender includes a baseplate structured to receive a lower open end of a magazine; a side bracket structured to couple to the baseplate for securing the magazine; and a locking pin selectively moveable into a locked position to lock the side bracket to the baseplate and an unlocked position to unlock the side bracket from the baseplate. The locking pin of the magazine extender is prevented from being moved to the unlocked position by a handgrip of a firearm when the magazine is inserted into the handgrip.

IPC Classes  ?

  • F41A 9/71 - Arrangements thereon for varying capacityAdapters or inserts for changing cartridge size or type
  • F41A 17/38 - Magazine safeties locking the magazine in the gun

17.

Trigger guard for a firearm

      
Application Number 29725543
Grant Number D0965724
Status In Force
Filing Date 2020-02-26
First Publication Date 2022-10-04
Grant Date 2022-10-04
Owner Shadow Systems LLC (USA)
Inventor Pederson, Richard

18.

Slide release curtain for a firearm

      
Application Number 29725572
Grant Number D0965725
Status In Force
Filing Date 2020-02-26
First Publication Date 2022-10-04
Grant Date 2022-10-04
Owner Shadow Systems LLC (USA)
Inventor Roe, Richard Trevor Simpson

19.

Slide for a firearm

      
Application Number 29728523
Grant Number D0965726
Status In Force
Filing Date 2020-03-19
First Publication Date 2022-10-04
Grant Date 2022-10-04
Owner Shadow Systems LLC (USA)
Inventor
  • Ribic, Anthony Joseph
  • Roe, Richard Trevor Simpson
  • Pederson, Richard

20.

Ledge cut for a handgun

      
Application Number 29734539
Grant Number D0965728
Status In Force
Filing Date 2020-05-13
First Publication Date 2022-10-04
Grant Date 2022-10-04
Owner Shadow Systems LLC (USA)
Inventor
  • Roe, Richard Trevor Simpson
  • Pederson, Richard

21.

Slide for a firearm

      
Application Number 29728678
Grant Number D0965727
Status In Force
Filing Date 2020-03-20
First Publication Date 2022-10-04
Grant Date 2022-10-04
Owner Shadow Systems LLC (USA)
Inventor
  • Ribic, Anthony Joseph
  • Roe, Richard Trevor Simpson
  • Pederson, Richard

22.

Slide assembly for a firearm

      
Application Number 17339313
Grant Number 11796264
Status In Force
Filing Date 2021-06-04
First Publication Date 2021-09-23
Grant Date 2023-10-24
Owner Shadow Systems LLC (USA)
Inventor
  • Ribic, Anthony Joseph
  • Roe, Richard Trevor Simpson

Abstract

A slide assembly for a firearm comprising a slide and an extractor assembly is provided. The slide includes a mounting recess about a top side of the slide, and a housing recess about a proximal end of the slide. The extractor assembly is mounted within the housing recess and includes a distal end for engaging a cartridge and a proximal end opposite the distal end. The proximal end terminates at a position adjacent about a mid-portion of the mounting recess. One or more retaining holes are provided within a proximal region of the mounting recess spaced from the proximal end of the extractor assembly. Firearm sights are attachable to the mounting recess via fasteners engaging the retaining holes. The retaining holes are arranged such that they do not interfere with the extractor assembly or other components within the housing recess of the slide.

IPC Classes  ?

  • F41A 3/26 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt
  • F41A 3/66 - Breech housings or framesReceivers
  • F41C 3/00 - Pistols

23.

Slide assembly for a firearm

      
Application Number 16746468
Grant Number 11067348
Status In Force
Filing Date 2020-01-17
First Publication Date 2021-07-20
Grant Date 2021-07-20
Owner Shadow Systems LLC (USA)
Inventor
  • Ribic, Anthony Joseph
  • Roe, Richard Trevor Simpson

Abstract

A slide assembly for a firearm comprising a slide and an extractor assembly is provided. The slide includes a mounting recess about a top side of the slide, and a housing recess about a proximal end of the slide. The extractor assembly is mounted within the housing recess and includes a distal end for engaging a cartridge and a proximal end opposite the distal end. The proximal end terminates at a position adjacent about a mid-portion of the mounting recess. One or more retaining holes are provided within a proximal region of the mounting recess spaced from the proximal end of the extractor assembly. Firearm sights are attachable to the mounting recess via fasteners engaging the retaining holes. The retaining holes are arranged such that they do not interfere with the extractor assembly or other components within the housing recess of the slide.

IPC Classes  ?

  • F41A 3/26 - Rigid bolt locks, i.e. having locking elements rigidly mounted on the bolt or bolt handle and on the barrel or breech-housing respectively the locking elements effecting a rotary movement about the barrel axis, e.g. rotating cylinder bolt locks semi-automatically or automatically operated, e.g. having a slidable bolt-carrier and a rotatable bolt
  • F41A 3/66 - Breech housings or framesReceivers
  • F41C 3/00 - Pistols