F16F 15/1215
Leaf springs
Official title: {Leaf springs, e.g. radially extending}
F16F15/1215 (Leaf springs) appears on 65 US grants and 59 published applications in this corpus.
Search patents in F16F- Granted patents
- 65
- Published applications
- 59
- Assignees
- 43
- Inventors
- 119
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 5 |
| 2013 | 2 | 0 |
| 2014 | 3 | 4 |
| 2015 | 0 | 1 |
| 2016 | 3 | 4 |
| 2017 | 4 | 6 |
| 2018 | 6 | 12 |
| 2019 | 9 | 7 |
| 2020 | 4 | 3 |
| 2021 | 4 | 3 |
| 2022 | 3 | 5 |
| 2023 | 3 | 0 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible spring and motor assembly25 Mar 2025US 12,257,117 B2Koninklijke Philips N. V.
- Torsional vibration damper26 Mar 2024US 11,940,018 B2Schaeffler Technologies AG & Co. KG
- Vibration isolation for rotating machines12 Mar 2024US 11,927,236 B2Toyota Motor Engineering & Manufacturing North America, Inc.
- Joystick device and a method of manufacturing thereof5 Dec 2023US 11,833,416 B2Razer (Asia-Pacific) Pte. Ltd.
- Elastic body having variable rigidity, and actuator module including same5 Sep 2023US 11,745,336 B2Robotis Co., Ltd.
- Variable-stiffness mechanism based on compliant beams30 Apr 2026US 2026/0117841 A1NUtech Ventures
- Damping Device for Reducing a Movement of a Second Component Movable Relative to a First Component16 May 2024US 2024/0159294 A1Illinois Tool Works Inc.
- Belt pullley decoupler with springs connected in parallel23 Jun 2022US 2022/0196079 A1Schaeffler Technologies AG & Co. KG
- Leaf spring rotational vibration absorber23 Jun 2022US 2022/0196110 A1Scientific Drilling International, Inc.
- Vibration isolation for rotating machines23 Jun 2022US 2022/0196111 A1Toyota Motor Engineering & Manufacturing North America, Inc.
Most cited
By later US patents
- Tuned torsional vibration damper23US 4,160,390 A1979
- Clutch disk having a splined hub21US 4,470,494 AKabushiki Kaisha Daikin Seisakusho · 1984
- Hydraulic torsional vibration damper17US 5,070,974 ABorg-Warner Automotive Transmission & Engine Components Corporation · 1991
- Damper having modular flexible ligaments and variable gaps17US 8,834,027 B22014
- Vibration-proof power take-off device for engine including two displacement absorbing joint members connected by a resilient member14US 5,531,642 AHonda Giken Kogyo Kabushiki Kaisha · 1996