F16F 2236/085
The spring being annular
Official title: the spring being annular
F16F2236/085 (The spring being annular) appears on 15 US grants and 19 published applications in this corpus.
Search patents in F16F- Granted patents
- 15
- Published applications
- 19
- Assignees
- 17
- Inventors
- 52
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 4 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 3 | 1 |
| 2025 | 1 | 6 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Torsional series elastic actuator28 Jul 2026US 12,691,592 B2Roboligent, Inc.
- Torsion spring adjuster3 Jun 2025US 12,320,192 B2Eastern Metal Supply, Inc.
- Torsional series elastic actuator24 Sep 2024US 12,097,610 B2Roboligent, Inc.
- Power strut with different rotational friction torque3 Sep 2024US 12,078,004 B2Magna Automotive Parts (Suzhou) Co., Ltd.
- Torsion absorber for wind turbines19 Mar 2024US 11,933,269 B2ZF Friedrichshafen AG
- Torsion spring adjuster21 Aug 2025US 2025/0263974 A1Eastern Metal Supply, Inc.
- Rotary Damper and Valve, and Method for Preventing Reduction in Torque of Rotary Damper Caused by Wear of Valve14 Aug 2025US 2025/0257779 A1Somic Management Holdings Inc.
- Pre-loaded dual-bearing assembly with annular cantilever beam spring3 Jul 2025US 2025/0215923 A1Raytheon Company
- Annular cantilever beam spring and pre-loaded assembly3 Jul 2025US 2025/0215948 A1Raytheon Company
- Vibration isolator with translation compliance19 Jun 2025US 2025/0197023 A1Raytheon Company
Most cited
By later US patents
- Laminated mechanical elements26US 4,659,069 A1987
- Method of making a bearing structure and bearing so made22US 5,540,420 AClevite Elastomers · 1996
- Planar torsion spring15US 8,176,809 B2GM Global Technology Operations LLC · 2012
- Automotive torque strut bushing13US 5,374,038 AGenCorp Inc. · 1994
- Torque adjustment mechanism3US 11,306,793 B2The McAlear Group, Inc. · 2022