F16F 1/14
Torsion springs consisting of bars or tubes
F16F1/14 (Torsion springs consisting of bars or tubes) appears on 257 US grants and 197 published applications in this corpus.
Search patents in F16F- Granted patents
- 257
- Published applications
- 197
- Assignees
- 175
- Inventors
- 539
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 11 | 4 |
| 2003 | 3 | 2 |
| 2004 | 5 | 11 |
| 2005 | 4 | 4 |
| 2006 | 1 | 4 |
| 2007 | 3 | 5 |
| 2008 | 4 | 4 |
| 2009 | 3 | 1 |
| 2010 | 0 | 8 |
| 2011 | 1 | 13 |
| 2012 | 5 | 7 |
| 2013 | 12 | 3 |
| 2014 | 4 | 5 |
| 2015 | 3 | 13 |
| 2016 | 7 | 6 |
| 2017 | 7 | 15 |
| 2018 | 9 | 15 |
| 2019 | 11 | 17 |
| 2020 | 13 | 16 |
| 2021 | 17 | 8 |
| 2022 | 10 | 15 |
| 2023 | 13 | 2 |
| 2024 | 8 | 7 |
| 2025 | 6 | 6 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- E-sway algorithm19 May 2026US 12,629,980 B2Fox Factory, Inc.
- Insert molded torsion bar hinge28 Oct 2025US 12,454,854 B2Reell Precision Manufacturing Corporation
- Torsion bar unit30 Sep 2025US 12,427,821 B2NHK Spring Co., Ltd.
- Torsion spring adjuster3 Jun 2025US 12,320,192 B2Eastern Metal Supply, Inc.
- Arrangement for transferring torsion torque, particularly in the form of a torsion spring or drive shaft made of composite fiber materials in order to achieve a high specific material usage20 May 2025US 12,305,729 B2Nemos GmbH
- Spring system having a spring arrangement7 May 2026US 2026/0124870 A1
- Torsion coil spring, method for manufacturing same, fastener for accessory, method for manufacturing same, and accessory23 Apr 2026US 2026/0108024 A1Crossfor Co., Ltd.
- E-sway algorithm26 Mar 2026US 2026/0084483 A1Fox Factory, Inc.
- Rust-proofing treatment method for cylindrical member12 Feb 2026US 2026/0043145 A1NHK Spring Co., Ltd.
- Torsion spring mechanism with an oval pilot6 Nov 2025US 2025/0341242 A1
Most cited
By later US patents
- Filled tubular torsion bar and its method of manufacture118US 4,836,516 AEssex Composite Systems · 1989
- Method of making a torsion bar89US 4,908,930 AEssex Composite Systems · 1990
- Force absorbing device and force transmission device54US 4,138,141 AGeneral Signal Corporation · 1979
- Ratchet assembly for an adjustable stabilizer bar52US 5,251,926 AGeneral Motors Corporation · 1993
- Multiaxis vibration isolation system52US 5,305,981 AHoneywell Inc. · 1994