B60N 2/546
Leaf- or flexion springs
Official title: {Leaf- or flexion springs}
B60N2/546 (Leaf- or flexion springs) appears on 30 US grants and 35 published applications in this corpus.
Search patents in B60N- Granted patents
- 30
- Published applications
- 35
- Assignees
- 27
- Inventors
- 77
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 1 | 9 |
| 2016 | 1 | 1 |
| 2017 | 4 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 6 |
| 2021 | 4 | 2 |
| 2022 | 3 | 4 |
| 2023 | 3 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Armrest22 Sep 2022US 2022/0297582 A1Toyota Boshoku Kabushiki Kaisha
- Stacked Disk Spring Vibration Isolator with Increased Lateral Load Capacity22 Sep 2022US 2022/0299083 A1Toyota Motor Engineering & Manufacturing North America, Inc.
- Vibration Isolator Pre-Load Mechanism22 Sep 2022US 2022/0299084 A1Toyota Motor Engineering & Manufacturing North America, Inc.
Most cited
By later US patents
- Shock mitigation apparatus49US 10,017,082 B22018
- Motion control seating system32US 10,293,718 B1Apple Inc. · 2019
- Shock absorbing platform with dampening means24US 7,413,158 B12008
- Leaf spring suspension20US 4,093,197 ASears Manufacturing Company · 1978
- Compliant shell for vehicle seat20US 9,022,475 B2Faurecia Automotive Seating, LLC · 2015