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

Title & Product

U.S. Patent + App. #

Privacy Curtain Loading System & Method
Product: Qwik Switch™ Track System

U.S. Pat. 9,320,380

Privacy or Cubicle Curtain System & Carrier Thereof
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

Entrance Floor System
Product: Floormations®

U.S. Pat. 10,722,991

Portion of an Entrance Floor
Product: Floormations®

U.S. Pat. D744,119

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

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.11,332,940

Modular Stair System
Product: MSS

U.S. Pat.10,794,062

Modular Stair System
Product: MSS

U.S. Pat.10,370,856

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