F15B 13/0407
Means for damping the valve member movement
Official title: {Means for damping the valve member movement}
F15B13/0407 (Means for damping the valve member movement) appears on 57 US grants and 47 published applications in this corpus.
Search patents in F15B- Granted patents
- 57
- Published applications
- 47
- Assignees
- 52
- Inventors
- 108
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 3 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 4 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 3 | 10 |
| 2019 | 4 | 6 |
| 2020 | 5 | 3 |
| 2021 | 6 | 4 |
| 2022 | 3 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Electro-hydraulic servo-valves and related methods8 Oct 2024US 12,110,913 B2The Boeing Company
- Hydraulic pilot valve19 Dec 2023US 11,846,368 B2Young Dong Tech Co., Ltd.
- Dynamic load damping apparatus28 Feb 2023US 11,592,072 B2The Boeing Company
- Valve5 Jul 2022US 11,378,192 B2Hydac Systems & Services GmbH
- Hydraulic system for working machine, working machine, and method of controlling working machine26 Mar 2026US 2026/0085496 A1Kubota Corporation
- Valve arrangement for a fluid control system14 Aug 2025US 2025/0257816 A1Volvo Truck Corporation
- Oil drain valve, energy accumulation device, hydraulic system and working machine27 Jun 2024US 2024/0209874 A1Sany Automobile Manufacturing Co., Ltd.
- Hydraulic pilot valve23 Feb 2023US 2023/0058350 A1Young Dong Tech Co., Ltd.
- Electro-hydraulic servo-valves and related methods11 Aug 2022US 2022/0252085 A1The Boeing Company
Most cited
By later US patents
- Servo-control valve42US 4,316,599 ARegie Nationale des Usines Renault · 1982
- Electrically operated pressure control valve31US 6,269,827 B1Eaton Corporation · 2001
- Electromagnetic valve29US 5,427,352 ARobert Bosch GmbH · 1995
- Force servo actuator with asymmetric nonlinear differential hydraulic force feedback25US 6,269,733 B12001
- Normally open hydraulic control valve21US 7,104,283 B2Keihin Corporation · 2006