ST Equipment & Technology, LLC

United States of America

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Date
2025 October 1
2025 (YTD) 2
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2022 2
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IPC Class
B03C 7/00 - Separating solids from solids by electrostatic effect 8
B03C 7/08 - Separators with material carriers in the form of belts 8
A23K 10/22 - Animal feeding-stuffs from material of animal origin from fish 2
A23K 10/38 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from waste material from distillers' or brewers' waste 2
B03C 7/02 - Separators 2
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Status
Pending 4
Registered / In Force 9
Found results for  patents

1.

PROCESS FOR PROTEIN ENRICHMENT OF DRIED DISTILLERS GRAINS USING A TRIBO-ELECTROSTATIC SEPARATOR DEVICE

      
Application Number 19236240
Status Pending
Filing Date 2025-06-12
First Publication Date 2025-10-02
Owner ST Equipment & Technology LLC (USA)
Inventor
  • Barber, Natsuki
  • Flynn, Kyle P.
  • Gupta, Abhishek

Abstract

A tribo-electrostatic separation process for fractionating a feed mixture derived from dried distiller's grains (DDG) or distiller's dried grains and mixed with solubles (DDGS) is disclosed.

IPC Classes  ?

  • A23K 10/38 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from waste material from distillers' or brewers' waste
  • A23K 40/10 - Shaping or working-up of animal feeding-stuffs by agglomerationShaping or working-up of animal feeding-stuffs by granulation, e.g. making powders

2.

PROCESS

      
Application Number 18713432
Status Pending
Filing Date 2022-12-07
First Publication Date 2025-01-30
Owner ST Equipment & Technology LLC (USA)
Inventor
  • Rodricks, Peter Anil
  • Gupta, Abhishek

Abstract

There is provided a method for reducing the amount of silica in a desert sand of a type that also comprises calcium carbonate, iron oxide and alumina components, to thereby produce a cement raw material feedstock, the method comprising: imparting a net negative electrical charge to a silica component and a net positive electrical charge to a calcium carbonate component of the desert sand through interparticle friction by a triboelectrostatic mechanism; and applying an electric field to the charged components of the desert sand by a triboelectrostatic mechanism; such that the negatively charged silica component is separated from a remainder of the components of the desert sand to thereby produce the cement raw material feedstock.

IPC Classes  ?

3.

PROCESS FOR DRY BENEFICIATION OF FINE AND VERY FINE IRON ORE BY SIZE AND ELECTROSTATIC SEGREGATION

      
Application Number 18732044
Status Pending
Filing Date 2024-06-03
First Publication Date 2024-09-26
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Flynn, Kyle P.
  • Gupta, Abhishek
  • Rojas Mendoza, Lucas

Abstract

Systems and methods for the beneficiation of fine and very fine particles of iron ore are disclosed. The system includes a first triboelectric electrostatic belt-type separator (BSS) which receives and processes a stream of particles with a median particle size (d50) less than 75 microns to generate an iron rich concentrate. The system and method is water-free and carried out in a totally dry metallurgical route. The system also includes at least one air classification device that receives and processes a feed stream of particles to provide the stream of particles with a median particle size (d50) that is less than 75 microns. The system may also include a dryer and de-agglomeration system that receives a feed stream of particles and processes the feed stream of particles to provide the particle stream with a moisture of less than 2%.

IPC Classes  ?

  • B03C 7/02 - Separators
  • B03C 7/00 - Separating solids from solids by electrostatic effect
  • B03C 7/08 - Separators with material carriers in the form of belts
  • C22B 1/00 - Preliminary treatment of ores or scrap

4.

IMPROVED FEED INGREDIENT FROM DRIED DISTILLERS GRAINS USING DRY TRIBO-ELECTROSTATIC SEPARATION

      
Application Number 18035434
Status Pending
Filing Date 2021-11-05
First Publication Date 2023-12-14
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Barber, Natsuki
  • Flynn, Kyle P.
  • Gupta, Abhishek

Abstract

An improved ingredient for animal feed produced from distillers grains using a tribo-electro static belt separation process is disclosed.

IPC Classes  ?

  • A23K 10/38 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms from waste material from distillers' or brewers' waste
  • A23K 50/80 - Feeding-stuffs specially adapted for particular animals for aquatic animals, e.g. fish, crustaceans or molluscs
  • A23K 10/22 - Animal feeding-stuffs from material of animal origin from fish
  • A23K 20/142 - Amino acidsDerivatives thereof
  • A23K 20/26 - Compounds containing phosphorus

5.

Process for dry beneficiation of fine and very fine iron ore by size and electrostatic segregation

      
Application Number 18012020
Grant Number 11998930
Status In Force
Filing Date 2021-06-22
First Publication Date 2023-08-31
Grant Date 2024-06-04
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Flynn, Kyle P.
  • Gupta, Abhishek
  • Rojas Mendoza, Lucas

Abstract

Systems and methods for the beneficiation of fine and very fine particles of iron ore are disclosed. The system includes a first triboelectric electrostatic belt-type separator (BSS) which receives and processes a stream of particles with a median particle size (d50) less than 75 microns to generate an iron rich concentrate. The system and method is water-free and carried out in a totally dry metallurgical route. The system also includes at least one air classification device that receives and processes a feed stream of particles to provide the stream of particles with a median particle size (d50) that is less than 75 microns. The system may also include a dryer and de-agglomeration system that receives a feed stream of particles and processes the feed stream of particles to provide the particle stream with a moisture of less than 2%.

IPC Classes  ?

  • B03C 7/02 - Separators
  • B03C 7/00 - Separating solids from solids by electrostatic effect
  • B03C 7/08 - Separators with material carriers in the form of belts
  • C22B 1/00 - Preliminary treatment of ores or scrap

6.

PROCESS

      
Application Number IB2022061878
Publication Number 2023/105437
Status In Force
Filing Date 2022-12-07
Publication Date 2023-06-15
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Rodricks, Peter Anil
  • Gupta, Abhishek

Abstract

There is provided a method for reducing the amount of silica in a desert sand of a type that also comprises calcium carbonate, iron oxide and alumina components, to thereby produce a cement raw material feedstock, the method comprising: imparting a net negative electrical charge to a silica component and a net positive electrical charge to a calcium carbonate component of the desert sand through interparticle friction by a triboelectrostatic mechanism; and applying an electric field to the charged components of the desert sand by a triboelectrostatic mechanism; such that the negatively charged silica component is separated from a remainder of the components of the desert sand to thereby produce the cement raw material feedstock.

IPC Classes  ?

7.

Process for protein enrichment of dried distillers grains using a tribo-electrostatic separator device

      
Application Number 17609305
Grant Number 12343736
Status In Force
Filing Date 2020-05-08
First Publication Date 2022-07-21
Grant Date 2025-07-01
Owner ST Equipment & Technology LLC (USA)
Inventor
  • Barber, Natsuki
  • Flynn, Kyle P.
  • Gupta, Abhishek

Abstract

A tribo-electrostatic separation process for fractionating a feed mixture derived from dried distiller's grains (DDG) or distiller's dried grains and mixed with solubles (DDGS) is disclosed.

IPC Classes  ?

  • B03C 7/00 - Separating solids from solids by electrostatic effect
  • B02C 23/02 - Feeding devices
  • B03C 7/08 - Separators with material carriers in the form of belts
  • C12F 3/10 - Recovery of by-products from distillery slops

8.

Tension mechanism for belt-type triboelectric separator devices

      
Application Number 17602256
Grant Number 12012287
Status In Force
Filing Date 2020-04-03
First Publication Date 2022-05-26
Grant Date 2024-06-18
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Eiriksson, Ari
  • Rivera-Ortiz, Jose L.

Abstract

An improved belt separator system and an improved method to separate particle mixtures based on triboelectric separation of particles is disclosed. The separator system includes a tensioning system embodying a tension roller and a two-part rotating shaft assembly.

IPC Classes  ?

  • B65G 23/44 - Belt- or chain-tensioning arrangements
  • B03C 7/00 - Separating solids from solids by electrostatic effect
  • B03C 7/08 - Separators with material carriers in the form of belts

9.

Process for separation of dry food and feed materials using a tribo-electrostatic separator device

      
Application Number 16642368
Grant Number 12097511
Status In Force
Filing Date 2018-08-28
First Publication Date 2020-07-30
Grant Date 2024-09-24
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Flynn, Kyle P.
  • Gupta, Abhishek
  • Hrach, Jr., Frank J.

Abstract

A tribo-electro static separation process and system for the preparation of various food and feed products. A tribo-electric separation process and system for fractionating a feed mixture comprising at least two members of the group of proteins, starches, soluble and insoluble fibers. Namely, supplying a feed mixture comprising at least two of the group of proteins, starches, soluble and insoluble fibers to a tribo-electric separator and simultaneously charging and separating the feed mixture into at least two subfractions, with one of the subfractions enriched in one of protein, starch and fiber and having a composition different than the feed mixture.

IPC Classes  ?

  • B03C 7/08 - Separators with material carriers in the form of belts
  • A23J 1/00 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites
  • A23J 1/02 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from meat
  • A23J 1/04 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from fish or other sea animals
  • A23J 1/10 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from hair, feathers, horn, skins, leather, bones, or the like
  • A23J 1/12 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses
  • A23J 1/14 - Obtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from leguminous or other vegetable seedsObtaining protein compositions for foodstuffsBulk opening of eggs and separation of yolks from whites from press-cake or oil-bearing seeds
  • A23K 10/22 - Animal feeding-stuffs from material of animal origin from fish
  • A23K 10/26 - Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
  • A23K 10/30 - Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hayAnimal feeding-stuffs from material of fungal origin, e.g. mushrooms
  • A23L 7/10 - Cereal-derived products
  • A23L 11/00 - Pulses, i.e. fruits of leguminous plants, for production of foodProducts from legumesPreparation or treatment thereof
  • A23L 13/20 - Meat productsMeat mealPreparation or treatment thereof from offal, e.g. rinds, skins, marrow, tripes, feet, ears or snouts
  • A23L 17/10 - Fish meal or powderGranules, agglomerates or flakes
  • A23L 25/00 - Food consisting mainly of nutmeat or seedsPreparation or treatment thereof
  • B03C 7/00 - Separating solids from solids by electrostatic effect
  • C08B 30/04 - Extraction or purification

10.

Continuous belt for belt-type separator devices

      
Application Number 15187060
Grant Number 10092908
Status In Force
Filing Date 2016-06-20
First Publication Date 2016-10-13
Grant Date 2018-10-09
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Flynn, Kyle P.
  • Rivera-Ortiz, Jose L.
  • Sert, Bulent

Abstract

An improved belt for use in a belt separation apparatus and an improved method to separate a particle mixture based on tribo-electric charging of particles is disclosed. The improved belt is particularly suitable for tribo-electric separation of particles that tend to accumulate on the edges of the belt separation apparatus and/or tend to compound, or blend, with the belt material. The improved belt comprises impermeable longitudinal edges, apertures interior to the longitudinal edges of the belt, and periodic notches formed in the longitudinal edges of the belt at periodic locations in the edge of the belt.

IPC Classes  ?

  • B65G 15/30 - Belts or like endless load-carriers
  • B03C 7/00 - Separating solids from solids by electrostatic effect
  • B03C 7/08 - Separators with material carriers in the form of belts
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniquesApparatus therefor

11.

Edge air nozzles for belt-type separator devices

      
Application Number 14622450
Grant Number 09764332
Status In Force
Filing Date 2015-02-13
First Publication Date 2016-08-18
Grant Date 2017-09-19
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Bush, Ted W.
  • Flynn, Kyle P.
  • Leaf, Harry Vincent
  • Sert, Bulent

Abstract

An improved belt separator system and an improved method to separate particle mixtures based on triboelectric separation of particles is disclosed. One or more gas nozzles, for example, a plurality of gas nozzles are provided as part of the system or installed into a system, such as an existing system, to improve dispersal of particles during operation.

IPC Classes  ?

  • B03C 3/34 - Constructional details or accessories or operation thereof
  • B03C 7/08 - Separators with material carriers in the form of belts

12.

Continuous belt for belt-type separator devices

      
Application Number 14261056
Grant Number 09393573
Status In Force
Filing Date 2014-04-24
First Publication Date 2015-10-29
Grant Date 2016-07-19
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Flynn, Kyle P.
  • Rivera-Ortiz, Jose L.
  • Sert, Bulent

Abstract

A belt for use in a belt separation apparatus and a method to separate a particle mixture based on tribo-electric charging of particles is disclosed. The belt is particularly suitable for tribo-electric separation of particles that tend to accumulate on the edges of the belt separation apparatus and/or tend to compound, or blend, with the belt material. The belt comprises impermeable longitudinal edges, apertures interior to the longitudinal edges of the belt, and periodic notches formed in the longitudinal edges of the belt at periodic locations in the edge of the belt.

IPC Classes  ?

  • B03C 7/08 - Separators with material carriers in the form of belts
  • B29C 69/00 - Combinations of shaping techniques not provided for in a single one of main groups , e.g. associations of moulding and joining techniquesApparatus therefor
  • B03C 7/00 - Separating solids from solids by electrostatic effect

13.

Electrostatic separation control system

      
Application Number 12875792
Grant Number 08552326
Status In Force
Filing Date 2010-09-03
First Publication Date 2012-03-08
Grant Date 2013-10-08
Owner ST EQUIPMENT & TECHNOLOGY LLC (USA)
Inventor
  • Mackay, Bruce E.
  • Sert, Bulent

Abstract

A process control system, more particularly, a process control system for controlling electrostatic separation for the separation of particulate materials is provided.

IPC Classes  ?

  • B03C 7/00 - Separating solids from solids by electrostatic effect