A47C 19/04
Extensible bedsteads
Official title: Extensible bedsteads, e.g. with adjustment of length, width, height
A47C19/04 (Extensible bedsteads) appears on 402 US grants and 386 published applications in this corpus.
Search patents in A47C- Granted patents
- 402
- Published applications
- 386
- Assignees
- 180
- Inventors
- 683
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 4 |
| 2002 | 7 | 6 |
| 2003 | 10 | 6 |
| 2004 | 7 | 10 |
| 2005 | 12 | 16 |
| 2006 | 10 | 16 |
| 2007 | 10 | 12 |
| 2008 | 10 | 11 |
| 2009 | 8 | 12 |
| 2010 | 11 | 14 |
| 2011 | 8 | 8 |
| 2012 | 6 | 10 |
| 2013 | 9 | 9 |
| 2014 | 8 | 10 |
| 2015 | 12 | 17 |
| 2016 | 10 | 17 |
| 2017 | 13 | 23 |
| 2018 | 23 | 30 |
| 2019 | 9 | 21 |
| 2020 | 19 | 14 |
| 2021 | 21 | 27 |
| 2022 | 9 | 21 |
| 2023 | 15 | 21 |
| 2024 | 14 | 16 |
| 2025 | 15 | 18 |
| 2026 | 14 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bed extension platform system4 Aug 2026US 12,696,984 B1
- Foldable and adjustable frame28 Jul 2026US 12,690,690 B2Inno-Sports Co., Ltd.
- Elevated bed system7 Jul 2026US 12,672,723 B2Outlier Campers LLC
- Foldable adjustable bed frame30 Jun 2026US 12,667,200 B2Star Seeds Co. LTD
- Foldable bed box spring9 Jun 2026US 12,648,653 B2
- Patient support with deck width monitoring and control17 Sep 2026US 2026/0272744 A1Stryker Corporation
- Expansible bed27 Aug 2026US 2026/0248292 A1Tung Keng Enterprise Co., Ltd.
- Elevated bed system6 Aug 2026US 2026/0224037 A1Outlier Campers LLC
- Adjustable bed system and frame16 Jul 2026US 2026/0198697 A1Ergomotion, Inc.
- Tiltable bed frame25 Jun 2026US 2026/0174246 A1Innovative Sleep Technologies
Most cited
By later US patents
- Mattress having a retractable foot section198US 6,611,979 B2Hill-Rom Services, Inc. · 2003
- Hospital bed181US 6,658,680 B2Hill-Rom Services, Inc. · 2003
- Variable width bariatric modularbed174US 6,357,065 B1Mellen Air Manufacturing, Inc. · 2002
- Foot controls for a bed143US 6,691,346 B2Hill-Rom Services, Inc. · 2004
- Foot controls for a bed140US 7,171,708 B2Hill-Rom Services, Inc. · 2007