A47C 3/28
With clamps acting on vertical rods
Official title: with clamps acting on vertical rods
A47C3/28 (With clamps acting on vertical rods) appears on 49 US grants and 12 published applications in this corpus.
Search patents in A47C- Granted patents
- 49
- Published applications
- 12
- Assignees
- 24
- Inventors
- 61
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 2 |
| 2019 | 4 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Seating, in particular a high-chair for children12 Apr 2022US 11,297,955 B2CYBEX GmbH
- Rolling work platform assembly27 Jul 2021US 11,071,390 B1
- Collapsible swivel chair30 Mar 2021US 10,959,525 B2Chama Chairs Holdings LLC
- Lounge chair3 Sep 2019US 10,398,231 B1
- Leaning chair13 Aug 2019US 10,376,071 B2Variadesk, LLC
- Seating, in particular a high-chair for children9 Jul 2020US 2020/0214468 A1CYBEX GmbH
- Collapsible Swivel Chair1 Aug 2019US 2019/0231075 A1Chama Chairs Holdings LLC
- Collapsible Swivel Chair31 Jan 2019US 2019/0029429 A1Chama Chairs Holdings LLC
- Chair and Chair Lifting Adjustment Control Mechanism Thereof20 Dec 2018US 2018/0360220 A1Zhongwei Holding Group Co., Ltd
- Leaning chair31 May 2018US 2018/0146789 A1Varidesk, LLC
Most cited
By later US patents
- Telescoped tubular support members85US 5,385,323 A1995
- Adjustable, lockable devices52US 5,720,369 ALord Corporation · 1998
- Locking device31US 5,348,415 AErgonomiprodukter I Bodafors AB · 1994
- Adjustable legs for furniture and locking means for securing such adjustment30US 4,627,591 A1986
- Control assembly for chair height adjustment25US 5,031,869 AIllinois Tool Works Inc. · 1991