A47C 1/03238
By means of peg-and-notch or pawl-and-ratchet mechanism
Official title: {by means of peg-and-notch or pawl-and-ratchet mechanism}
A47C1/03238 (By means of peg-and-notch or pawl-and-ratchet mechanism) appears on 160 US grants and 112 published applications in this corpus.
Search patents in A47C- Granted patents
- 160
- Published applications
- 112
- Assignees
- 57
- Inventors
- 207
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 6 |
| 2002 | 13 | 5 |
| 2003 | 5 | 12 |
| 2004 | 17 | 13 |
| 2005 | 7 | 7 |
| 2006 | 8 | 6 |
| 2007 | 6 | 7 |
| 2008 | 3 | 6 |
| 2009 | 7 | 6 |
| 2010 | 5 | 4 |
| 2011 | 5 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 4 |
| 2014 | 0 | 3 |
| 2015 | 4 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 3 |
| 2018 | 4 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 3 | 0 |
| 2022 | 1 | 2 |
| 2023 | 2 | 2 |
| 2024 | 3 | 4 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Seating arrangement6 Jan 2026US 12,514,370 B2Steelcase Inc.
- Chair29 Jul 2025US 12,369,714 B2Okamura Corporation
- Positioner of chair adjusting device29 Apr 2025US 12,285,109 B2
- Portable chair19 Nov 2024US 12,144,430 B2YETI Coolers, LLC
- Interlocking mechanism for seat and back of chair12 Nov 2024US 12,137,817 B2Comfordy Co., Ltd.
- Seating arrangement2 Apr 2026US 2026/0090644 A1Steelcase Inc.
- Base frame assembly and chair having the same24 Jul 2025US 2025/0235001 A1Zhongshan Meisihe Furniture Co., Ltd.
- Seat-backrest linkage device15 May 2025US 2025/0151905 A1Ue Furniture Co., Ltd
- Positioner of chair adjusting device22 Aug 2024US 2024/0277146 A1
- Gliding lounger15 Aug 2024US 2024/0268556 A1Visionat International Limited
Most cited
By later US patents
- Chair with novel seat construction283US 5,871,258 ASteelcase Inc. · 1999
- Woven fabric membrane for a seating surface256US 6,035,901 AHerman Miller, Inc. · 2000
- Office chair249US 6,059,368 AHerman Miller, Inc. · 2000
- Lumbar device238US 6,394,546 B1Steelcase Development Corporation · 2002
- Chair including novel back construction227US 5,975,634 ASteelcase Development Corporation · 1999