A47C 19/20
Multi-stage bedsteads
Official title: Multi-stage bedsteads; Bedsteads stackable to multi-stage bedsteads
A47C19/20 (Multi-stage bedsteads) appears on 180 US grants and 154 published applications in this corpus.
Search patents in A47C- Granted patents
- 180
- Published applications
- 154
- Assignees
- 88
- Inventors
- 262
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 1 |
| 2003 | 7 | 7 |
| 2004 | 5 | 7 |
| 2005 | 4 | 6 |
| 2006 | 12 | 13 |
| 2007 | 7 | 3 |
| 2008 | 7 | 5 |
| 2009 | 3 | 2 |
| 2010 | 5 | 10 |
| 2011 | 3 | 1 |
| 2012 | 4 | 1 |
| 2013 | 2 | 2 |
| 2014 | 4 | 6 |
| 2015 | 2 | 5 |
| 2016 | 3 | 6 |
| 2017 | 0 | 9 |
| 2018 | 6 | 15 |
| 2019 | 5 | 9 |
| 2020 | 8 | 4 |
| 2021 | 4 | 6 |
| 2022 | 6 | 7 |
| 2023 | 3 | 12 |
| 2024 | 3 | 9 |
| 2025 | 9 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Headboard25 Aug 2026US 12,714,230 B2Inter IKEA Systems B.V.
- Single folding sofa bedstead10 Mar 2026US 12,569,068 B2Jiaxing Rest Furniture & Appliance Co., Ltd.
- Lower side bed frame of double-layer iron frame bed20 Jan 2026US 12,527,407 B2
- Assembly structure for bed column and lateral bed rod21 Oct 2025US 12,448,994 B2
- Systems and methods for circulating air through a bed frame7 Oct 2025US 12,433,420 B2
- Lift for Raising a Bed or Other Items in a Structure16 Jul 2026US 2026/0200391 A1
- Electric lifting bed and method for assembling electric lifting bed28 May 2026US 2026/0144383 A1Flexispot, Inc.
- Electric lifting bed30 Apr 2026US 2026/0114630 A1Flexispot, Inc.
- Systems and methods for a dwelling layout12 Mar 2026US 2026/0071418 A1Sage Pegasus IP Holdings LLC
- Modular Furniture Frame Unit4 Dec 2025US 2025/0366624 A1ChiCore Assets, LLC
Most cited
By later US patents