F15B 2211/8633
Pressure source supply failure
F15B2211/8633 (Pressure source supply failure) appears on 90 US grants and 98 published applications in this corpus.
Search patents in F15B- Granted patents
- 90
- Published applications
- 98
- Assignees
- 72
- Inventors
- 246
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 5 |
| 2009 | 0 | 2 |
| 2010 | 2 | 0 |
| 2011 | 3 | 2 |
| 2012 | 1 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 6 |
| 2015 | 4 | 2 |
| 2016 | 5 | 2 |
| 2017 | 3 | 4 |
| 2018 | 2 | 6 |
| 2019 | 5 | 12 |
| 2020 | 9 | 10 |
| 2021 | 14 | 7 |
| 2022 | 7 | 15 |
| 2023 | 7 | 7 |
| 2024 | 10 | 8 |
| 2025 | 9 | 2 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrohydraulic pitch-control system with a valve pump in a rotating reference frame26 Aug 2025US 12,397,901 B2Safran Aircraft Engines
- Control strategy for hydraulic system3 Jun 2025US 12,320,371 B2Goodrich Actuation Systems Limited
- Hydraulic pump performance deterioration detection system27 May 2025US 12,313,097 B2Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic pump performance deterioration detection system27 May 2025US 12,313,098 B2Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic pump performance deterioration detection system27 May 2025US 12,313,102 B2Kawasaki Jukogyo Kabushiki Kaisha
- Transport vehicle20 Aug 2026US 2026/0241846 A1Hitachi Construction Machinery Co., Ltd.
- Hydraulic Device with a Status Display16 Jul 2026US 2026/0201913 A1Robert Bosch GmbH
- Hydraulic System having an Inertia Charging Arrangement25 Jun 2026US 2026/0177086 A1Robert Bosch GmbH
- Method for checking the state of a hydraulic accumulator16 Oct 2025US 2025/0320882 A1Deere & Company
- Hydraulic valve3 Jul 2025US 2025/0214697 A1Microtecnica S.R.L.
Most cited
By later US patents
- Fail-safe actuation system926US 9,239,064 B2Moog Inc. · 2016
- Flow sensing auxiliary pump by-pass valve39US 4,116,577 ANational Machine Company · 1978
- Apparatus for diagnosing failure of hydraulic pump for work machine35US 6,055,851 AHitachi Construction Machinery Co., Ltd. · 2000
- Actuator control system19US 4,036,106 ASouthwestern Manufacturing Co. · 1977
- Redundant flow control for hydraulic actuator systems16US 6,981,439 B2HR Textron, Inc. · 2006