A47C 3/026
With a central column
Official title: with a central column, e.g. rocking office chairs; Tilting chairs
A47C3/026 (With a central column) appears on 266 US grants and 170 published applications in this corpus.
Search patents in A47C- Granted patents
- 266
- Published applications
- 170
- Assignees
- 136
- Inventors
- 361
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 9 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 7 |
| 2003 | 4 | 0 |
| 2004 | 2 | 3 |
| 2005 | 5 | 6 |
| 2006 | 1 | 4 |
| 2007 | 2 | 4 |
| 2008 | 2 | 5 |
| 2009 | 3 | 7 |
| 2010 | 4 | 2 |
| 2011 | 5 | 2 |
| 2012 | 2 | 5 |
| 2013 | 1 | 6 |
| 2014 | 7 | 7 |
| 2015 | 5 | 3 |
| 2016 | 4 | 4 |
| 2017 | 5 | 7 |
| 2018 | 6 | 10 |
| 2019 | 16 | 16 |
| 2020 | 14 | 15 |
| 2021 | 14 | 11 |
| 2022 | 8 | 7 |
| 2023 | 10 | 16 |
| 2024 | 6 | 7 |
| 2025 | 7 | 10 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Oscillation mechanism for a chair or an armchair1 Sep 2026US 12,721,442 B2Donati S.p.A.
- Motion mechanism for a chair and chair30 Jun 2026US 12,667,194 B2L&P Property Management Company
- Rocking chair28 Apr 2026US 12,611,032 B2Zhejiang Sunshine Leisure Products Co., Ltd.
- Seat comprising a frame and a cover, and method of manufacturing the same31 Mar 2026US 12,588,766 B2F. Smit Holding B.V.
- Ergonomic motion chair24 Mar 2026US 12,582,232 B2Moovlab Inc.
- Body support structure, armrest and methods for the use and assembly thereof13 Aug 2026US 2026/0232112 A1Halcon Furniture LLC
- Ergonomic Motion Chair With Automatic Seat Movement Lock9 Jul 2026US 2026/0191331 A1Moovlab Inc.
- Seating furniture with seat, backrest, and swivel mechanism14 May 2026US 2026/0130508 A1Eb-Invent GmbH
- Omni-Directional Flexible Swivel Chair7 May 2026US 2026/0123754 A1Amtab Manufacturing Corporation
- Chair5 Mar 2026US 2026/0060428 A1Wilkhahn Wilkening + Hahne GmbH + Co.
Most cited
By later US patents
- Chair seat-and-back support167US 4,889,385 AAmerican Seating Company · 1989
- One-piece shell chair163US 4,529,247 AHerman Miller, Inc. · 1985
- Swivel tilt mechanism for chair129US 4,711,491 A1987
- Ergonomic chair124US 4,981,326 ASteelcase Strafor · 1991
- Ergonomic chair123US 5,035,466 AKrueger International, Inc. · 1991