Class E04F : FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
Subclass 11/022: 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 characterised by the supporting structure
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12195988 | Building | Mar 10, 22 | Jan 14, 25 | 501 Toyota Jidosha Kabushiki Kaisha |
| 11946258 | Adjustable step system | Jul 12, 23 | Apr 02, 24 | Not available |
| 11939792 | Underground shelter with air-intake system | Aug 12, 21 | Mar 26, 24 | Atlas Survival Shelters LLC |
| 11898342 | Stair installation bracket | Dec 17, 18 | Feb 13, 24 | PATCO, LLC |
| 11761213 | Frame and stair systems and methods | Sep 28, 20 | Sep 19, 23 | The United States of America as Represented by the Secretary of the Army |
| 11732481 | Cantilever stair assembly | Mar 04, 19 | Aug 22, 23 | CONSTRUCTION DESIGN & SOLUTIONS, INC. |
| 11702855 | Anti-seismic braced scissor stairs and frame stairs system | Mar 03, 23 | Jul 18, 23 | CHINA AEROSPACE CONSTRUCTION ENGINEERING GROUP CO. |
| 11446532 | Exercise apparatus having a stair and slide assembly | Oct 02, 20 | Sep 20, 22 | ProStairs Fitness, LLC |
| 11332923 | Rotational connections for stairs | Jun 13, 19 | May 17, 22 | EMEH, Inc. |
| 11268276 | Modular deck apparatus | Mar 20, 20 | Mar 08, 22 | Oliver Technologies, Inc. |
| 10876296 | Method of assembly of modular stair assistance device for pets | Dec 29, 18 | Dec 29, 20 | Not available |
| 10792527 | Exercise apparatus having a stair and slide assembly | Nov 03, 17 | Oct 06, 20 | ProStairs Fitness, LLC |
| 10745919 | Method and apparatus for installing a staircase assembly into a building | Jul 26, 19 | Aug 18, 20 | BIG TIME INVESTMENT, LLC |
| 10612244 | Landscaping structure | Apr 12, 19 | Apr 07, 20 | Not available |
| 10156065 | Stair installation bracket | Jan 17, 17 | Dec 18, 18 | PATCO, LLC |
| 10100525 | Wind turbine with a concrete tower and method for the assembly thereof | Dec 15, 15 | Oct 16, 18 | ACCIONA WINDPOWER, S.A. |
| 9840847 | Curved staircase | Sep 02, 16 | Dec 12, 17 | Not available |
| 9828762 | Earthquake resistant building connection and an earthquake resistant staircase system | Feb 27, 15 | Nov 28, 17 | Svein Berg Holding AS |
| 9758981 | Stair expansion joint system with freedom of movement between landings | Mar 23, 16 | Sep 12, 17 | EMEH, INC. |
| 9683372 | Stair systems and wall assemblies comprising same | Mar 18, 16 | Jun 20, 17 | Diamond Stairs Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0263,454 | Walkway System and Method | Aug 23, 23 | Aug 08, 24 | Not available |
| 2020/0123,780 | FRAME FOR AN UNDERSTAIRS STORAGE SYSTEM | Oct 18, 19 | Apr 23, 20 | Not available |
| 2019/0136,539 | TOWER STEP PEGS HAVING SAFETY LOCKS | Jun 28, 18 | May 09, 19 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
