United States Patents & Patent Applications

We've held nearly 500 patents throughout our 75-year history.

Title & Product

U.S. Patent + App. #

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

Title & Product

U.S. Patent + App. #

Wall Installation System & Methods

U.S. Pat. 9,290,931

Wall Protector Installation

U.S. Pat. 6,601,355

Title & Product

U.S. Patent + App. #

Privacy Curtain Loading System & Method

U.S. Pat. 9,320,380

Product: SBC30 Behavior Health Carrier

U.S. Pat. 11,297,966

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

Entrance Floor System
Product: Floormations®

U.S. Pat.10,722,991

Title & Product

U.S. Patent + App. #

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

Title & Product

U.S. Patent + App. #

Stair Expansion Joint System with Freedom of Movement Between Landings
Product: DriftReady® Stairs

U.S. Pat. 9,869,084

Stair Expansion Joint System with Freedom of Movement Between Landings
Product: DriftReady® Stairs

U.S. Pat.10,584,480

Moveable Stairs Systems & Methods
Product: DriftReady® Stairs

U.S. Pat.10,968,636

Rotational Connections for Stairs
Product: DriftReady® Stairs

U.S. Pat.11,332,923

Moveable Stairs Systems & Methods
Product: DriftReady® Stairs

U.S. Pat.11,332,2940

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