F15B 20/002
Electrical failure
Official title: {Electrical failure}
F15B20/002 (Electrical failure) appears on 151 US grants and 132 published applications in this corpus.
Search patents in F15B- Granted patents
- 151
- Published applications
- 132
- Assignees
- 115
- Inventors
- 348
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 3 |
| 2005 | 3 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 3 | 4 |
| 2009 | 5 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 3 |
| 2012 | 4 | 1 |
| 2013 | 4 | 4 |
| 2014 | 0 | 2 |
| 2015 | 1 | 6 |
| 2016 | 5 | 5 |
| 2017 | 3 | 5 |
| 2018 | 5 | 10 |
| 2019 | 5 | 9 |
| 2020 | 13 | 11 |
| 2021 | 9 | 13 |
| 2022 | 12 | 9 |
| 2023 | 13 | 9 |
| 2024 | 6 | 9 |
| 2025 | 6 | 8 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Protection for a circuit for controlling the orientation of propeller blades of an aircraft engine7 Jul 2026US 12,674,475 B2Safran Aircraft Engines
- Control device of a pneumatic element23 Jun 2026US 12,663,024 B2Gimatic S.p.A.
- Manifold system for 2003 configuration17 Feb 2026US 12,553,454 B2Rotex Automation Limited
- Emergency-operation valve block for a mobile crane20 Jan 2026US 12,528,677 B2Manitowoc Crane Group France SAS
- Shuttle valve, directional control valve module, and pneumatic or hydraulic assembly4 Nov 2025US 12,460,657 B2Voith Patent GmbH
- Hydraulic System having an Inertia Charging Arrangement25 Jun 2026US 2026/0177086 A1Robert Bosch GmbH
- Triple redundancy assembly in process control systems18 Jun 2026US 2026/0169506 A1Rotex Automation Limited
- Protection for a circuit for controlling the orientation of propeller blades of an aircraft engine15 Jan 2026US 2026/0016026 A1Safran Aircraft Engines
- Control device of a pneumatic element27 Nov 2025US 2025/0361885 A1Gimatic S.p.A.
- Hydraulic Cylinder Assembly and Method for Operating a Hydraulic Cylinder Assembly23 Oct 2025US 2025/0327467 A1Robert Bosch GmbH
Most cited
By later US patents
- Fail-safe actuation system926US 9,239,064 B2Moog Inc. · 2016
- Electro-hydraulic power steering system98US 6,298,941 B12001
- Valve and position control using magnetorheological fluids74US 7,428,922 B2Halliburton Energy Services.Inc. · 2008
- Precision electro-hydraulic actuator positioning system57US 6,575,264 B2Dana Corporation · 2003
- Pilot valves for two-stage hydraulic devices47US 4,615,358 AVickers, Incorporated · 1986