F16F 15/0275
Control of stiffness
Official title: {Control of stiffness}
F16F15/0275 (Control of stiffness) appears on 130 US grants and 97 published applications in this corpus.
Search patents in F16F- Granted patents
- 130
- Published applications
- 97
- Assignees
- 108
- Inventors
- 281
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 4 |
| 2003 | 6 | 8 |
| 2004 | 5 | 10 |
| 2005 | 6 | 3 |
| 2006 | 6 | 3 |
| 2007 | 2 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 3 |
| 2016 | 4 | 4 |
| 2017 | 3 | 7 |
| 2018 | 6 | 8 |
| 2019 | 6 | 5 |
| 2020 | 7 | 6 |
| 2021 | 5 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 3 |
| 2024 | 2 | 5 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Active crew seat vibration control6 Oct 2026US 12,753,823 B2Lockheed Martin Corporation
- Spring-damper system20 May 2025US 12,304,264 B2Bayerische Motoren Werke Aktiengesellschaft
- Kinetic seat assemblies having dampers for fixed components and movable components including lateral damping mechanisms and fluid reservoirs20 May 2025US 12,304,369 B2Stabilus GmbH
- Fender11 Jun 2024US 12,006,646 B2Shipyard Rotterdam B.V.
- Spring-damper element for the mounting of a punching press7 May 2024US 11,976,702 B2Bruderer AG
- Milling machine vibration reduction23 Apr 2026US 2026/0110146 A1Caterpillar Paving Products Inc.
- Active crew seat vibration control18 Dec 2025US 2025/0383008 A1Lockheed Martin Corporation
- Pneumatic vibration isolation system using a single-directional flow restriction valve31 Jul 2025US 2025/0243922 A110x Genomics, Inc.
- Kinetic seat assemblies having dampers for fixed components and movable components including lateral damping mechanisms and fluid reservoirs24 Jul 2025US 2025/0236225 A1Stabilus GmbH
- Air spring, vibration isolation apparatus, sensor assembly, vibration isolation control method, and vehicle12 Dec 2024US 2024/0410437 A1
Most cited
By later US patents
- Optical table active leveling and vibration cancellation system98US 5,285,995 AAura Systems, Inc. · 1994
- Proactive shock absorption and vibration isolation67US 6,123,312 A2000
- Coordinated control of an active suspension system for a work vehicle64US 6,029,764 ACase Corporation · 2000
- Vibration and sound dampener for heavy machinery49US 6,648,295 B22003
- Vibration removing apparatus and method thereof46US 5,653,317 ACanon Kabushiki Kaisha · 1997