B66B 9/08
Associated with stairways
Official title: associated with stairways, e.g. for transporting disabled persons {(facilitating access of invalids to vehicles A61G3/02)}
B66B9/08 (Associated with stairways) appears on 252 US grants and 224 published applications in this corpus.
Search patents in B66B- Granted patents
- 252
- Published applications
- 224
- Assignees
- 108
- Inventors
- 430
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 5 |
| 2003 | 4 | 2 |
| 2004 | 5 | 3 |
| 2005 | 0 | 9 |
| 2006 | 5 | 13 |
| 2007 | 7 | 11 |
| 2008 | 5 | 11 |
| 2009 | 6 | 2 |
| 2010 | 3 | 7 |
| 2011 | 5 | 9 |
| 2012 | 4 | 4 |
| 2013 | 5 | 5 |
| 2014 | 9 | 11 |
| 2015 | 7 | 11 |
| 2016 | 5 | 6 |
| 2017 | 9 | 9 |
| 2018 | 7 | 7 |
| 2019 | 7 | 10 |
| 2020 | 10 | 18 |
| 2021 | 13 | 17 |
| 2022 | 12 | 13 |
| 2023 | 22 | 16 |
| 2024 | 12 | 10 |
| 2025 | 10 | 6 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stair lift systems and methods for assembling, installing, and using such systems7 Jul 2026US 12,673,848 B2Leaf Home Safety Solutions, LLC
- Drive unit placement and access openings for a platform lifting system17 Feb 2026US 12,552,640 B2Liftup A/S
- Elevator system, kit and method13 Jan 2026US 12,522,472 B2
- Staircase with instrumented steps with lifting actuator for assisted ascent or descent13 Jan 2026US 12,523,043 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Method to determine a speed profile for a stairlift4 Nov 2025US 12,459,783 B2TK Home Solutions B.V.
- Rail segment system for modular stairlifts1 Oct 2026US 2026/0296834 A1LeafFilter North, LLC
- Cable tensioning system for modular stairlifts1 Oct 2026US 2026/0296835 A1LeafFilter North, LLC
- Stair lift systems and methods for assembling, installing, and using such systems17 Sep 2026US 2026/0274617 A1Leaf Home Safety Solutions, LLC
- Powered Stairlift Seat Raiser for Enhanced Accessibility10 Sep 2026US 2026/0265021 A1
- Stairlift device comprising collision prevention means as well as method for collision prevention and use3 Sep 2026US 2026/0257891 A1
Most cited
By later US patents