A47C 1/03222
By means of screw-and-nut mechanism
Official title: {by means of screw-and-nut mechanism}
A47C1/03222 (By means of screw-and-nut mechanism) appears on 14 US grants and 16 published applications in this corpus.
Search patents in A47C- Granted patents
- 14
- Published applications
- 16
- Assignees
- 11
- Inventors
- 24
- Latest grant
- 28 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Seat chassis28 Mar 2023US 11,612,246 B2Innotec Motion GmbH
- Seat pivoting mechanism and chair height locking system27 Jul 2021US 11,071,386 B2
- Chair supported by bellows with motion control7 Apr 2020US 10,610,021 B2Virco Mfg. Corporation
- Drive system having a linear actuator and item of furniture having such a drive system7 Mar 2017US 9,590,465 B2Ciar S.P.A.
- Chair chassis and chair having the same3 May 2016US 9,326,609 B2Shantou Luxus Furniture Ltd.
- Chair with lengthened seat22 Jan 2026US 2026/0020672 A1Motomotion China Corporation
- Seat Chassis12 Aug 2021US 2021/0244187 A1Innotec Motion GmbH
- Cut and Go Barber Chair20 May 2021US 2021/0145178 A1
- Motor assembly for converting reclining furniture to powered mode18 Jul 2019US 2019/0216220 A1
- Chair supported by bellows with motion control27 Sep 2018US 2018/0271291 A1Virco Mfg. Corporation
Most cited
By later US patents
- Chair ride mechanism with tension assembly109US 7,273,253 B2Kimball International, Inc. · 2007
- Chair ride mechanism with tension assembly102US 7,625,045 B2Kimball International, Inc. · 2009
- Tension adjustment mechanism for a chair65US 7,367,622 B2Haworth, Inc. · 2008
- Variable back adjuster for chairs45US 4,494,795 ASteelcase Inc. · 1985
- Reclining leisure chair22US 6,604,791 B1Hsin Hao Health Materials Co., Ltd. · 2003