A47C 20/027
Back supports
Official title: {Back supports, e.g. for sitting in bed}
A47C20/027 (Back supports) appears on 230 US grants and 203 published applications in this corpus.
Search patents in A47C- Granted patents
- 230
- Published applications
- 203
- Assignees
- 75
- Inventors
- 333
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 2 |
| 2002 | 4 | 2 |
| 2003 | 3 | 8 |
| 2004 | 9 | 5 |
| 2005 | 5 | 11 |
| 2006 | 3 | 4 |
| 2007 | 4 | 6 |
| 2008 | 8 | 7 |
| 2009 | 3 | 7 |
| 2010 | 4 | 7 |
| 2011 | 3 | 8 |
| 2012 | 3 | 5 |
| 2013 | 6 | 7 |
| 2014 | 7 | 9 |
| 2015 | 4 | 6 |
| 2016 | 6 | 8 |
| 2017 | 9 | 10 |
| 2018 | 3 | 13 |
| 2019 | 7 | 16 |
| 2020 | 7 | 8 |
| 2021 | 13 | 12 |
| 2022 | 11 | 13 |
| 2023 | 8 | 13 |
| 2024 | 5 | 5 |
| 2025 | 7 | 9 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adjustable pillow set29 Sep 2026US 12,745,853 B2
- Adjustable support device15 Sep 2026US 12,733,746 B2Sit-Up Limited
- Support unit for use on an article of furniture4 Aug 2026US 12,696,981 B2King Furniture Australia Pty Ltd.
- Contoured device for anatomical traction or correction of the spine9 Jun 2026US 12,648,887 B2Serola Biomechanics, Inc.
- Bed systems and methods19 May 2026US 12,628,958 B2
Most cited
By later US patents