A47C 3/24
With vertical spindle
Official title: with vertical spindle
A47C3/24 (With vertical spindle) appears on 102 US grants and 67 published applications in this corpus.
Search patents in A47C- Granted patents
- 102
- Published applications
- 67
- Assignees
- 62
- Inventors
- 162
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 4 |
| 2003 | 5 | 3 |
| 2004 | 0 | 0 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 2 | 4 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 6 |
| 2019 | 4 | 2 |
| 2020 | 2 | 5 |
| 2021 | 5 | 8 |
| 2022 | 2 | 2 |
| 2023 | 5 | 3 |
| 2024 | 5 | 5 |
| 2025 | 2 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Automated desk chair7 Jul 2026US D1,132,615 S1Movably, Inc. · Design
- Comfortable chair suitable for multiple usage postures28 Apr 2026US 12,611,038 B2Newtral Furniture Technology Inc.
- Chair, control method, and storage medium13 Jan 2026US 12,520,946 B2Toyota Jidosha Kabushiki Kaisha
- Physical therapy treadmill and treadmill accessory13 Jan 2026US 12,521,602 B2
- Gas lift cylinder removal device15 Jul 2025US 12,357,094 B2Anthro Form, LLC
- Multi Pivot Tilting Seat Support Structure1 Oct 2026US 2026/0294105 A1Levitask
- Pivoting support mechanism for chairs and other structures1 Oct 2026US 2026/0294113 A1Krueger International, Inc.
- Height adjustable battery operated chair3 Sep 2026US 2026/0256289 A1Comfortel Furniture Pty Ltd
- Physical therapy treadmill and treadmill accessory14 May 2026US 2026/0131190 A1
- Swivel chair device having ascending and descending function1 Jan 2026US 2026/0000201 A1
Most cited
By later US patents
- Chair shell with selective back stiffening145US 4,744,603 ASteelcase Inc. · 1988
- Integrated chair and control143US 4,776,633 ASteelcase Inc. · 1988
- Chair122US 3,982,785 ACenter for Design Research and Development N.V. · 1976
- Back shell with selective stiffening113US 5,487,591 ASteelcase Inc. · 1996
- Synchrotilt chair103US 5,725,277 ASteelcase Inc. · 1998