Y10S 280/10
Stair climbing chairs
Y10S280/10 (Stair climbing chairs) appears on 82 US grants and 15 published applications in this corpus.
Search patents in Y10S- Granted patents
- 82
- Published applications
- 15
- Assignees
- 32
- Inventors
- 100
- Latest grant
- 15 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Patient support apparatus with frame guard15 Aug 2023US 11,723,826 B2Stryker Corporation
- Obstacle traversing wheel assembly7 Mar 2017US 9,586,441 B2Ktech Concepts LLC
- Wheelchair attachments9 Jun 2015US 9,050,230 B2Montefiore Medical Center
- Obstacle traversing wheel assembly14 Oct 2014US 8,857,920 B2Ktech Concepts LLC
- Wheelchair attachments1 May 2012US 8,167,317 B2Montefiore Medical Center
- Patient Support Apparatus With Frame Guard4 Feb 2021US 2021/0030612 A1Stryker Corporation
- Obstacle traversing wheel assembly25 Dec 2014US 2014/0375111 A1Ktech Concepts LLC
- Obstacle Traversing Wheel Assembly23 May 2013US 2013/0127233 A1Ktech Concepts LLC
- Wheelchair Attachments12 Jul 2012US 2012/0175850 A1Montefiore Medical Center
- Wheelchair attachments14 Oct 2010US 2010/0259029 A1Montefiore Medical Center
Most cited
By later US patents
- Electronic control system for stair climbing vehicle206US 5,248,007 AQuest Technologies, Inc. · 1993
- Variable configuration track laying vehicle204US 4,483,407 AHitachi, Ltd. · 1984
- Wheel chair171US 4,566,707 A1986
- Step-climbing wheel chair150US 4,222,449 A1980
- Climbing and descending vehicle140US 4,790,548 A1988