A47C 1/0325
By means of clamps or friction locking members
Official title: {by means of clamps or friction locking members}
A47C1/0325 (By means of clamps or friction locking members) appears on 50 US grants and 22 published applications in this corpus.
Search patents in A47C- Granted patents
- 50
- Published applications
- 22
- Assignees
- 34
- Inventors
- 76
- Latest grant
- 6 Dec 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 0 |
| 2004 | 0 | 1 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 4 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Disengagement and reengagement mechanism on motorized seating unit for selective manual control6 Dec 2022US 11,517,109 B2L&P Property Management Company
- Ergonomically adjustable recliner24 May 2022US 11,337,524 B2
- Double shell seat26 Oct 2021US 11,154,136 B2Davis Furniture Industries, Inc.
- Chair seat sliding and locking mechanism3 Nov 2020US 10,820,702 B1
- Elastic seesaw-type tilting mechanism and swivel chair having the same23 Jun 2020US 10,687,626 B2
- Central unit for a chair19 Jun 2025US 2025/0194805 A1Interstuhl Büromöbel GmbH & Co. KG
- A Dual Function Chair for Sitting and Kneeling12 Sep 2024US 2024/0298799 A1
- Double shell seat16 Sep 2021US 2021/0282555 A1Davis Furniture Industries, Inc.
- Ergonomically adjustable recliner29 Jul 2021US 2021/0227977 A1
- Disengagement and reengagement mechanism on motorized seating unit for selective manual control1 Oct 2020US 2020/0305604 A1L&P Property Management Company
Most cited
By later US patents
- Chair provided with a backrest142US 4,966,411 AKokuyo Co., Ltd. · 1990
- Tilt back chair and control135US 5,725,276 A1998
- Tilt back chair control107US 6,039,397 A2000
- Office chair97US 4,840,426 ADavis Furniture Industries, Inc. · 1989
- Tilting control assembly for chair86US 5,348,372 AItoki Crebio Corporation · 1994