A47C 3/34
With pins coacting with holes
Official title: with pins coacting with holes
A47C3/34 (With pins coacting with holes) appears on 59 US grants and 53 published applications in this corpus.
Search patents in A47C- Granted patents
- 59
- Published applications
- 53
- Assignees
- 26
- Inventors
- 108
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 4 |
| 2008 | 0 | 4 |
| 2009 | 1 | 0 |
| 2010 | 1 | 3 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 2 |
| 2017 | 1 | 3 |
| 2018 | 6 | 4 |
| 2019 | 2 | 2 |
| 2020 | 4 | 4 |
| 2021 | 4 | 3 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Rotatable bath chair9 Dec 2025US 12,490,868 B2Zhongshan Bliss Medical Instrument Co., Ltd
- Bathroom stool1 Jul 2025US 12,342,970 B1Changsha Anxiang Medical Technology Co., Ltd.
- Low-cost height adjustable comfort seat7 Jan 2025US 12,185,841 B1
- In-case portable chair16 Jul 2024US 12,035,816 B2
- Height-adjustable folding chair19 Dec 2023US 11,844,439 B1
- Assembled seat30 Oct 2025US 2025/0331641 A1Zhongshan Bliss Medical Instrument Co., Ltd
- Rotatable bath chair25 Sep 2025US 2025/0295275 A1Zhongshan Bliss Medical Instrument Co., Ltd
- In-case portable chair4 Apr 2024US 2024/0108141 A1
- Multifunctional foldable stool23 Feb 2023US 2023/0054295 A1Yiwu Locyop Household Product Co., Ltd.
- Physical conditioning and therapeutic conditioning pivoting system30 Jun 2022US 2022/0202641 A1
Most cited
By later US patents
- Locking device83US 4,113,221 ACramer Industries, Inc. · 1978
- Foldable bath bench60US 7,121,620 B1Hui Zhou Andon Industries Co., Ltd. · 2006
- Universal adjustable chair56US 6,095,607 A2000
- Collapsible seat51US 6,467,843 B1EZ Seat, Inc. · 2002
- Eccentric pawl for chair locking device45US 4,165,854 ACramer Industries, Inc. · 1979