Class E04F : FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
Subclass 11/104: Stairways, ramps, or like structures (mounting or marking-off stairways E04F 21/26; of temporary construction E04G 27/00); Balustrades; Handrails (ladders permanently attached to fixed structures E06C 9/00) Stairways; Layouts thereof Treads (E04F 11/09 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12258764 | Staircase with adjustable height risers | Feb 24, 23 | Mar 25, 25 | Not available |
| 12252886 | Floating modular stair system | Oct 04, 21 | Mar 18, 25 | PrimeSource Building Products, Inc. |
| 12196041 | Ceiling ladder, deep step and method | Oct 10, 23 | Jan 14, 25 | Werner Co. |
| 12098554 | Returned stair tread having moisture compensating joint and method for making the same | Apr 03, 23 | Sep 24, 24 | Young Manufacturing Company, Inc. |
| 12017889 | Convertible stairs for wheelchair accessibility | Jun 08, 23 | Jun 25, 24 | Kuwait University |
| 12000152 | Stair nose molding, and method and apparatus for making a stair nose molding | Jul 21, 23 | Jun 04, 24 | Not available |
| 11982090 | Method for bending a vinyl floor plank to form a stair nose plank | Feb 07, 23 | May 14, 24 | Not available |
| 11970865 | Modular staircase systems | Nov 05, 19 | Apr 30, 24 | CB Interests Inc. |
| 11946258 | Adjustable step system | Jul 12, 23 | Apr 02, 24 | Not available |
| 11873645 | Luxury vinyl plank stair noses and other moldings | Jun 02, 21 | Jan 16, 24 | Finished Edge Technology LLC |
| 11619050 | Returned stair tread having moisture compensating joint and method for making the same | Jun 29, 21 | Apr 04, 23 | Young Manufacturing Company, Inc. |
| 11578854 | High visibility tape | Feb 26, 21 | Feb 14, 23 | Not available |
| 11572695 | Method for bending a vinyl floor plank to form a stair nose plank | Dec 31, 20 | Feb 07, 23 | Not available |
| 11486156 | Stair tread cover | Jul 01, 20 | Nov 01, 22 | Garland Industries, Inc. |
| 11332941 | Device and methods for making a stair tread and a molded curved stair tread | Jun 23, 20 | May 17, 22 | Mannington Mills Inc. |
| 11326351 | Bull nose stair nosing | Mar 19, 20 | May 10, 22 | Not available |
| 11293193 | Stair tread cover | Jul 26, 18 | Apr 05, 22 | Garland Industries, Inc. |
| 11268276 | Modular deck apparatus | Mar 20, 20 | Mar 08, 22 | Oliver Technologies, Inc. |
| 11215010 | Ceiling ladder, deep step and method | Jan 17, 20 | Jan 04, 22 | Werner Co. |
| 11111676 | Prefabricated stair components and stair tread finish systems and methods of making and using the same | Aug 29, 19 | Sep 07, 21 | Summit Stairs of Atlanta, Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0101,806 | CEILING LADDER, DEEP STEP AND METHOD | Dec 09, 24 | Mar 27, 25 | Not available |
| 2024/0133,183 | Luxury Vinyl Plank Stair Noses and Other Moldings | Dec 29, 23 | Apr 25, 24 | Finished Edge Technology LLC |
| 2024/0035,285 | BUILDING COMPONENTS, STRUCTURES FORMED THEREFROM AND RELATED METHODS | Jul 19, 23 | Feb 01, 24 | Not available |
| 2023/0399,852 | STAIRCASE WITH INSTRUMENTED STEPS WITH LIFTING ACTUATOR FOR ASSISTED ASCENT OR DESCENT | Sep 10, 21 | Dec 14, 23 | Commissariat A L' Energie Atomique Et Aux Energies Alternatives |
| 2023/0228,095 | TEMPORARY STAIR TREADS | Dec 22, 22 | Jul 20, 23 | Not available |
| 2022/0381,037 | STEP FOR A MODULAR STAIRCASE AND RELATIVE BUILDING METHOD | Oct 16, 20 | Dec 01, 22 | Not available |
| 2021/0355,686 | STAIR ASSEMBLY WITH RISE ADJUSTABLE STEP SUPPORT BRACKETS | Jul 28, 21 | Nov 18, 21 | Fortress Iron, LP |
| 2021/0277,661 | ENERGY-EFFICIENT ASSISTIVE STAIRS | Apr 13, 21 | Sep 09, 21 | Not available |
| 2020/0149,285 | ENERGY-EFFICIENT ASSISTIVE STAIRS | May 23, 18 | May 14, 20 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
