| 2025/0101,806 | CEILING LADDER, DEEP STEP AND METHOD | Dec 09, 24 | Mar 27, 25 | Not available |
| 2024/0287,811 | STAIRCASE WITH ADJUSTABLE HEIGHT RISERS | Feb 24, 23 | Aug 29, 24 | Not available |
| 2024/0133,183 | Luxury Vinyl Plank Stair Noses and Other Moldings | Dec 29, 23 | Apr 25, 24 | Finished Edge Technology LLC |
| 2024/0110,442 | CEILING LADDER, DEEP STEP AND METHOD | Oct 10, 23 | Apr 04, 24 | Not available |
| 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 |
| 2022/0349,185 | Floating Modular Stair System | Oct 04, 21 | Nov 03, 22 | CityPost LLC |
| 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 |
| 2020/0240,149 | Self-Leveling Platform Stairs | Jan 08, 20 | Jul 30, 20 | Allfasteners USA, LLC |
| 2020/0149,285 | ENERGY-EFFICIENT ASSISTIVE STAIRS | May 23, 18 | May 14, 20 | Not available |
| 2020/0109,567 | STAIR ASSEMBLY WITH RISE ADJUSTABLE STEP SUPPORT BRACKETS | Oct 07, 19 | Apr 09, 20 | Fortress Iron, LP |
| 2019/0003,186 | SPACER FOR PREFABRICATED SPIRAL STAIRCASE AND PREFABRICATED SPIRAL STAIRCASE USING SAME | Jan 10, 17 | Jan 03, 19 | Not available |
| 2016/0010,338 | STAIR ELEMENT AND METHOD FOR CLADDING THEREOF | Feb 18, 13 | Jan 14, 16 | SIP B.V. |
| 2015/0272,348 | Rack System and Bracket | Apr 09, 15 | Oct 01, 15 | SOLID RACKS PTY LIMITED |
| 2015/0211,234 | Adjustable Staircase and Height-Adjustable Platform with Adjustable Staircase | Jan 26, 15 | Jul 30, 15 | Not available |
| 2014/0360,112 | STAIR NOSING ASSEMBLY | Aug 26, 14 | Dec 11, 14 | Not available |
| 2013/0055,666 | STEP RE-TREAD SYSTEM AND APPARATUS | Sep 06, 11 | Mar 07, 13 | Not available |