B60N 2/544
Compression or tension springs
Official title: {Compression or tension springs (B60N2/542 takes precedence)}
B60N2/544 (Compression or tension springs) appears on 279 US grants and 169 published applications in this corpus.
Search patents in B60N- Granted patents
- 279
- Published applications
- 169
- Assignees
- 129
- Inventors
- 432
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 17 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 8 | 2 |
| 2003 | 3 | 2 |
| 2004 | 5 | 9 |
| 2005 | 4 | 10 |
| 2006 | 5 | 6 |
| 2007 | 4 | 7 |
| 2008 | 2 | 3 |
| 2009 | 5 | 2 |
| 2010 | 1 | 12 |
| 2011 | 5 | 8 |
| 2012 | 8 | 7 |
| 2013 | 9 | 7 |
| 2014 | 6 | 7 |
| 2015 | 6 | 7 |
| 2016 | 10 | 4 |
| 2017 | 6 | 9 |
| 2018 | 9 | 8 |
| 2019 | 7 | 7 |
| 2020 | 6 | 10 |
| 2021 | 3 | 7 |
| 2022 | 7 | 12 |
| 2023 | 9 | 9 |
| 2024 | 8 | 6 |
| 2025 | 6 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lateral isolator for vehicle seats16 Jun 2026US 12,654,605 B2
- Suspension component22 Jul 2025US 12,365,275 B2Roswell Canada Inc.
- Vehicle seat13 May 2025US 12,296,731 B2Ts Tech Co., Ltd.
- Position controlling device22 Apr 2025US 12,280,695 B2Toyota Boshoku Kabushiki Kaisha
- Seat suspension mechanism8 Apr 2025US 12,269,382 B2Delta Kogyo Co., Ltd.
- Suspension seating system and methods13 Aug 2026US 2026/0233638 A1TMI Products, Inc.
- Vehicle seat11 Jun 2026US 2026/0158978 A1Ts Tech Co., Ltd.
- Operator seat2 Oct 2025US 2025/0303936 A1Deere & Company
- Seat support element comprising external shock absorbers28 Aug 2025US 2025/0269770 A1FAURECIA Sièges d'Automobile
- Kinetic Seat Cushions for Vehicles22 May 2025US 2025/0162476 A1Toyota Motor Engineering & Manufacturing North America, Inc.
Most cited
By later US patents
- Two platform motion seat118US 5,913,568 A1999
- Active suspending115US 8,095,268 B2Bose Corporation · 2012
- Suspension device for vehicle seat101US 5,251,864 ATachi-S Co., Ltd. · 1993
- Active suspending100US 8,548,678 B2Bose Corporation · 2013
- Regenerative system including an energy transformer which requires no external power source to drive same91US 5,570,286 ALord Corporation · 1996