Keystone Plastics, Inc.

United States of America

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IP Type
        Patent 6
        Trademark 4
Jurisdiction
        United States 8
        Canada 1
        World 1
Date
2025 (YTD) 2
2024 1
2021 1
Before 2020 6
IPC Class
E01H 1/05 - Brushing apparatus with driven brushes 3
A46B 3/04 - Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics 2
A46B 7/10 - Bristle carriers arranged in the brush body movably during use as a rotating cylinder 2
A46B 9/06 - Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber 2
A46D 3/00 - Preparing brush bodies 2
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Status
Pending 2
Registered / In Force 8

1.

BRUSH ASSEMBLY

      
Application Number US2024039938
Publication Number 2025/029699
Status In Force
Filing Date 2024-07-26
Publication Date 2025-02-06
Owner KEYSTONE PLASTICS INC. (USA)
Inventor
  • Naftal, Brian
  • Kassabian, Todd
  • Vokes, Tom

Abstract

A brush assembly including a substrate and a brush element for removably attachable to a mount of a sweeping apparatus. The substate has a footprint that extend beyond the mount of the sweeping apparatus. The top surface of the substrate abuts the mount of the sweeping apparatus. The bottom surface of the substrate has at least one channel, with at least a portion of the channel in the footprint beyond the mount. A first type of bristle elements extends from the bottom surface of the substrate. The brush element has an upper section and a lower section. A second type of bristle elements extend from the lower section. The upper section is configured to be secured in the channel. The brush element can be easily removable from the substrate without the need to dismount the substrate from the sweeping machine.

IPC Classes  ?

  • A46B 7/04 - Bristle carriers arranged in the brush body interchangeably
  • A46B 9/02 - Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
  • A46B 13/02 - Brushes with driven brush bodies power-driven
  • A46B 3/14 - Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like specially adapted for street-cleaning or rail-cleaning brooms
  • A46B 3/16 - Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by wires or other anchoring means, specially for U-shaped bristle tufts
  • E01H 1/05 - Brushing apparatus with driven brushes

2.

Brush Assembly

      
Application Number 18661585
Status Pending
Filing Date 2024-05-11
First Publication Date 2025-01-30
Owner Keystone Plastics Inc. (USA)
Inventor
  • Naftal, Brian
  • Kassabian, Todd
  • Vokes, Tom

Abstract

A brush assembly including a substrate and a brush element for removably attachable to a mount of a sweeping apparatus. The substate has a footprint that extend beyond the mount of the sweeping apparatus. The top surface of the substrate abuts the mount of the sweeping apparatus. The bottom surface of the substrate has at least one channel, with at least a portion of the channel in the footprint beyond the mount. A first type of bristle elements extends from the bottom surface of the substrate. The brush element has an upper section and a lower section. A second type of bristle elements extend from the lower section. The upper section is configured to be secured in the channel. The brush element can be easily removable from the substrate without the need to dismount the substrate from the sweeping machine.

IPC Classes  ?

  • A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
  • A47L 11/24 - Floor-sweeping machines, motor-driven

3.

ROAD SAVAGE

      
Serial Number 98654563
Status Pending
Filing Date 2024-07-18
Owner Keystone Plastics, Inc. ()
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

Brushes and brush holders for use in rotating electrical machinery; Brushes being parts of machines; Brushes being parts of or for use with a gutter broom of street sweepers; Brushes being parts of or for use with street sweeping vehicles; Brushes being parts of or for use with street sweeper brush assembly; Brushes being parts of or for use with sweeping machines; Brushes being parts of or for use with sweeper machines, namely, a removable brush or broom attachment; Wire brushes for use in machines

4.

Strip brush assembly having metal and polymer bristles and method of making

      
Application Number 17243090
Grant Number 11707129
Status In Force
Filing Date 2021-04-28
First Publication Date 2021-08-12
Grant Date 2023-07-25
Owner Keystone Plastics Inc. (USA)
Inventor Naftal, Brian

Abstract

A strip brush assembly with a plurality of elongated polymer bristles forming a section and a plurality of elongated metal bristles forming another section adjacent the polymer bristles section, such that the metal bristles section is supported by the polymer bristles section. The polymer and metal bristles are bonded and encapsulated in a base formed by direct extrusion onto and around the polymer and metal bristles to secure them to the formed base. The strip brush assembly may be used on a tubular mandrel of a street sweeper.

IPC Classes  ?

  • A46B 3/04 - Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
  • A46B 9/06 - Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
  • E01H 1/05 - Brushing apparatus with driven brushes
  • A46D 3/00 - Preparing brush bodies
  • A46D 9/02 - CuttingTrimming

5.

Strip brush assembly having metal and polymer bristles and method of making

      
Application Number 15689954
Grant Number 10993522
Status In Force
Filing Date 2017-08-29
First Publication Date 2018-03-01
Grant Date 2021-05-04
Owner Keystone Plastics Inc. (USA)
Inventor Naftal, Brian

Abstract

A strip brush assembly with a plurality of elongated polymer bristles forming a section and a plurality of elongated metal bristles forming another section adjacent the polymer bristles section, such that the metal bristles section is supported by the polymer bristles section. The polymer and metal bristles are bonded and encapsulated in a base formed by direct extrusion onto and around the polymer and metal bristles to secure them to the formed base. The strip brush assembly may be used on a tubular mandrel of a street sweeper.

IPC Classes  ?

  • A46B 3/04 - Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
  • A46B 9/06 - Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
  • E01H 1/05 - Brushing apparatus with driven brushes
  • A46D 3/00 - Preparing brush bodies
  • A46D 9/02 - CuttingTrimming

6.

Customizable modular brush system and method thereof

      
Application Number 13951089
Grant Number 08708423
Status In Force
Filing Date 2013-07-25
First Publication Date 2013-11-21
Grant Date 2014-04-29
Owner Keystone Plastics, Inc. (USA)
Inventor Naftal, Brian

Abstract

A system and method that utilizes modular components to form a customizable brush for different applications with ease and at a low cost. The system and method utilizes three main components: a base, a plurality of rails, and a plurality of strip brush elements. The plurality of rails is fastened to the base and the plurality of rails holds the strip brush elements to the base to form a brush. All three components may be made of a thermoplastic or thermoset, non-metallic material which can be either rigid or flexible to allow the resulting brush to be easily recyclable.

IPC Classes  ?

  • A46B 7/10 - Bristle carriers arranged in the brush body movably during use as a rotating cylinder

7.

Customizable modular brush system and method thereof

      
Application Number 12799544
Grant Number 08495786
Status In Force
Filing Date 2010-04-27
First Publication Date 2011-10-27
Grant Date 2013-07-30
Owner Keystone Plastics, Inc. (USA)
Inventor Naftal, Brian

Abstract

A system and method that utilizes modular components to form a customizable brush for different applications with ease and at a low cost. The system and method utilizes three main components: a base, a plurality of rails, and a plurality of strip brush elements. The plurality of rails is fastened to the base and the plurality of rails holds the strip brush elements to the base to form a brush. All three components may be made of a thermoplastic or thermoset, non-metallic material which can be either rigid or flexible to allow the resulting brush to be easily recyclable.

IPC Classes  ?

  • A46B 7/10 - Bristle carriers arranged in the brush body movably during use as a rotating cylinder

8.

CENTER SWEEP

      
Application Number 089442200
Status Registered
Filing Date 1998-10-26
Registration Date 1999-10-26
Owner KEYSTONE PLASTICS, INC. (USA)
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

(1) Street sweeper brooms, and parts thereof, including mandrels.

9.

CENTER SWEEP

      
Serial Number 75577790
Status Registered
Filing Date 1998-10-26
Registration Date 2002-06-25
Owner Keystone Plastics, Inc. ()
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

component for and component parts of street sweeper vehicles, namely, brooms and structural parts thereof in the nature of mandrels and brushes for mounting on mandrels

10.

ALL-PRO

      
Serial Number 74592850
Status Registered
Filing Date 1994-10-31
Registration Date 1995-10-17
Owner KEYSTONE PLASTICS, INC. ()
NICE Classes  ? 07 - Machines and machine tools

Goods & Services

street sweeper bristle for use in street sweeper brush and street sweeper brush assembly