F16F 1/368
Leaf springs
F16F1/368 (Leaf springs) appears on 197 US grants and 132 published applications in this corpus.
Search patents in F16F- Granted patents
- 197
- Published applications
- 132
- Assignees
- 120
- Inventors
- 410
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 17 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 7 | 5 |
| 2003 | 2 | 3 |
| 2004 | 3 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 4 |
| 2009 | 0 | 2 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 6 |
| 2013 | 7 | 7 |
| 2014 | 2 | 7 |
| 2015 | 8 | 11 |
| 2016 | 3 | 8 |
| 2017 | 7 | 6 |
| 2018 | 7 | 10 |
| 2019 | 7 | 15 |
| 2020 | 11 | 7 |
| 2021 | 7 | 6 |
| 2022 | 5 | 12 |
| 2023 | 6 | 9 |
| 2024 | 12 | 4 |
| 2025 | 5 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Prosthetic foot with distributed stress17 Mar 2026US 12,575,948 B2Little Room Innovations, LLC
- Variable stiffness cantilevered support24 Feb 2026US 12,560,214 B2
- Leaf spring device, leaf spring, and shock absorber assembly27 Jan 2026US 12,533,920 B2Rheinmetall Invent GmbH
- Composite material capable of measuring bending deformation, spring including the same, and manufacturing method thereof25 Nov 2025US 12,480,556 B2Korea Advanced Institute of Science and Technology
- Resiliently flexible composite articles with overmolded rigid portions18 Nov 2025US 12,473,956 B2Avient Corporation
- Method for manufacturing a composite leaf spring and use of such a leaf in a vehicle suspension system23 Jul 2026US 2026/0208460 A1Newtton
- Structure and method for manufacturing the same2 Jul 2026US 2026/0185578 A1Nature Architects Inc.
- Method for manufacturing a blade for a suspension24 Jul 2025US 2025/0236061 A1Jtekt Europe
- Hair removal device11 Jul 2024US 2024/0227219 A1The Gillette Company
- Leaf spring apparatus, chassis and vehicle16 May 2024US 2024/0157744 A1Rheinmetall Invent GmbH
Most cited
By later US patents
- Powered wheelchair with a detachable power drive assembly110US 5,351,774 AQuickie Designs Inc. · 1994
- Energy absorbing elements comprising rigid non-elastomeric layer and visco-elastic layer with twisted fiber bundles embedded therein96US 4,278,726 AN. V. Bekaert S. A. · 1981
- Powered wheelchair with a detachable power drive assembly83US 5,531,284 AQuickie Designs Inc. · 1996
- Vehicle wheel suspension with transverse leaf spring and mounts providing a high roll ratio59US 6,189,904 B1General Motors Corporation · 2001
- Tapered convolute leaf spring for truck suspensions58US 5,938,221 AThe Boler Company · 1999