A47C 1/0305
By peg-and-notch or pawl-and-ratchet mechanism
Official title: {by peg-and-notch or pawl-and-ratchet mechanism}
A47C1/0305 (By peg-and-notch or pawl-and-ratchet mechanism) appears on 114 US grants and 89 published applications in this corpus.
Search patents in A47C- Granted patents
- 114
- Published applications
- 89
- Assignees
- 52
- Inventors
- 166
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 1 |
| 2004 | 5 | 2 |
| 2005 | 4 | 5 |
| 2006 | 2 | 1 |
| 2007 | 2 | 7 |
| 2008 | 2 | 7 |
| 2009 | 3 | 6 |
| 2010 | 7 | 5 |
| 2011 | 4 | 5 |
| 2012 | 7 | 7 |
| 2013 | 2 | 3 |
| 2014 | 4 | 7 |
| 2015 | 4 | 2 |
| 2016 | 2 | 2 |
| 2017 | 5 | 5 |
| 2018 | 4 | 2 |
| 2019 | 2 | 3 |
| 2020 | 5 | 4 |
| 2021 | 3 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 7 |
| 2026 | 6 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tiltable armrest assembly and chair including the same1 Sep 2026US 12,721,441 B2Sidiz Inc.
- Comfortable chair suitable for multiple usage postures28 Apr 2026US 12,611,038 B2Newtral Furniture Technology Inc.
- Lifting mechanism for armrest21 Apr 2026US 12,604,988 B2Comfordy Co., Ltd.
- Seat armrest7 Apr 2026US 12,593,922 B2
- Armrest frame capable of being collapsed conveniently10 Feb 2026US 12,543,860 B2Shanghai Wudi Home Furnishings Co Ltd
- Lifting mechanism for armrest18 Dec 2025US 2025/0380808 A1Comfordy Co., Ltd.
- Armrest27 Nov 2025US 2025/0359681 A1Anji Leisa Furniture Co., Ltd.
- Comfortable chair suitable for multiple usage postures25 Sep 2025US 2025/0295239 A1Newtral Furniture Technology Inc.
- Seat back for an office chair24 Jul 2025US 2025/0235004 A1Haworth, Inc.
- Armrest frame capable of being collapsed conveniently23 Jan 2025US 2025/0024952 A1Wudi Industrial (Shanghai) Co., Ltd.
Most cited
By later US patents
- Chair construction187US 6,523,898 B1Steelcase Development Corporation · 2003
- Chair construction142US 6,913,315 B2Steelcase Development Corporation · 2005
- Chair110US 8,029,060 B2Formway Furniture Limited · 2011
- Height adjustable armrest90US 7,841,665 B2Steelcase Inc. · 2010
- Arm assembly for a chair81US 7,533,939 B2Haworth, Inc. · 2009