About Us

United States Patents

& Patent Applications

  • Acrovyn® Door Systems
    Title & Product U.S. Patent + App. #
    Door Edge with Cover Strip

    U.S. Pat. D517,701

    U.S. Pat. D512,785

    U.S. Pat. D515,713

    U.S. Pat. D518,185

    U.S. Pat. D517,224
    Door Edge Construction

    U.S. Pat. 7,621,102

    U.S. Pat. 7,886,501

    U.S. Pat. 7,775,013

    U.S. Pat. 7,587,876
  • Acrovyn® Wall Protection
    Title & Product U.S. Patent + App. #
    Handrail U.S. Pat. D480,820

    Handrail and End Member Assembly

    Product: End Cap Locks

    		 U.S. Pat. 6,386,518

    Rail and Supports Therefor

    Product: Quick Lock™

    		 U.S. Pat.6,508,458

    Rail Installation and Adapter Therefor

    Product: Quick Lock™ Adapter

    		 U.S. Pat. 6,932,328

    Wall Installation System & Methods

    		 U.S. Pat. 9,290,931

    Wall Protector Installation

    		 U.S. Pat. 6,601,355
  • Cubicle Curtains
    Title & Product U.S. Patent + App. #
    Cubicle Curtain Loading System & Method U.S. Pat. 9,320,380
  • Entrance Flooring Systems
    Title & Product U.S. Patent + App. #

    Entrance Floor System

    Product: Floormations®
    U.S. Pat. 9,340,983
    U.S. App. 15/130,142

    Portion of an Entrance Floor

    Product: Floormations®

    		 U.S. Pat. D744,119

    Floor Section Module for Entrance Floor

    Product: Floorometry® 101 "Triangle"

    		 U.S. Pat. D616,571

    Product: Floorometry® 201 "Weave"

    		 U.S. Pat. D619,272

    Product: Floorometry® 201 "Flat Weave"

    		 U.S. Pat. D616,572

    Product: Floorometry® 301 "Egyptian Pattern"

    		 U.S. Pat. D616,573

    Product: Floorometry® 401 "Engineered Stone"

    		 U.S. Pat. D620,151

    Modular Entrance Floor System

    Product: Floorometry®
    U.S. Pat. 8,291,670
    U.S. Pat. 8,601,767
    U.S. Pat. 8,997,432

    Foot Mat

    Product: PediTred® G4

    		 U.S. Pat. 6,434,779

    Foot Mat

    Product: "Zig Zag Tile with Matting"

    		 U.S. D483,977
  • Expansion Joint Covers & Systems
    Title & Product U.S. Patent + App. #

    Expansion Joint

    Product: KB Model

    		 U.S. Pat 6,527,467

    Expansion Joint Cover

    Product: PTC Model

    		 U.S. Pat. 6,499,265

    Expansion Joint Cover with Modular Center

    Product: SGR/SSR Model

    		 U.S. Pat. 7,080,491

    Fire Resistant Barrier for Dynamic Expansion Joints

    Product: FB-97 Model

    		 U.S. Pat. 6,128,874

    Modular Joint Barrier Retainer Assembly and Method

    		 U.S. Pat. 9,428,904

    Roof Seismic Motion-Absorbing Gap Cover

    Product: MARC Model

    		 U.S. Pat. 6,675,539

    Seismic Expansion Joint Cover

    Product: MACC Model

    		 U.S. Pat. 6,484,462

    Seismic Wall and Ceiling Expansion Joint Covers

    Product: XLS Model

    		 U.S. Pat. 6,430,884

    Stair Expansion Joint System with Freedom of

    Movement Between Landings
    U.S. Pat. 9,758,981
    U.S. App. 14/513,354
  • Fire + Smoke Vents
    Title & Product U.S. Patent + App. #

    Drop-Out Fire Vent

    Product: APC Dayliter™

    		 U.S. Pat. 6,161,348
  • Vista Air™ Vertically Folding Walls
    Title & Product U.S. Patent + App. #

    Articulated Overhead Door

    Product: Vista Air™

    		 U.S. Pat. 9,593,525