A47C 1/0246
By means of screw-and-nut mechanism
Official title: {by means of screw-and-nut mechanism}
A47C1/0246 (By means of screw-and-nut mechanism) appears on 32 US grants and 24 published applications in this corpus.
Search patents in A47C- Granted patents
- 32
- Published applications
- 24
- Assignees
- 19
- Inventors
- 39
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable simulation rig and a seating unit for use therewith26 May 2026US 12,640,048 B2
- Stadium seat24 Jun 2025US 12,336,632 B2Learfield Amplify Seating, LLC
- Drive motor-linear actuator system for powered lift or powered reclining chairs2 Jul 2024US 12,022,949 B2Hidden Lake 822, LLC
- Chair configured for progressive reclination and conversion between multiple use and/or storage positions, and a method of use thereof1 Feb 2022US 11,234,526 B1
- Chair configured for progressive reclination and conversion between multiple use and/or storage positions, and a method of use thereof20 Apr 2021US 10,980,347 B1
- Adjustable chair30 Apr 2026US 2026/0114622 A1Merits Health Products Co., Ltd.
- Chair10 Jul 2025US 2025/0221534 A1
- Adjustable simulation rig and a seating unit for use therewith3 Oct 2024US 2024/0331565 A1
- Drive motor-linear actuator system for powered lift or powered reclining chairs18 Apr 2024US 2024/0122345 A1Hidden Lake 822, LLC
- Stadium seat4 Apr 2024US 2024/0108137 A1Learfield Amplify Seating, LLC
Most cited
By later US patents
- Adaptive seating device for diagnostic testing49US 5,624,159 AVess Chairs, Inc. · 1997
- Chair control37US 4,065,176 AStewart-Warner Corporation · 1977
- Chair with adjustable seat and back rest29US 5,069,496 A1991
- Seat recline unit19US 4,630,866 AMorse Controls Limited · 1986
- Adjustable geriatric chair15US 5,378,040 AZoetech, Inc. · 1995