F15B 13/0431
The electrical control resulting in an on-off function
Official title: {the electrical control resulting in an on-off function}
F15B13/0431 (The electrical control resulting in an on-off function) appears on 119 US grants and 79 published applications in this corpus.
Search patents in F15B- Granted patents
- 119
- Published applications
- 79
- Assignees
- 84
- Inventors
- 236
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 7 |
| 2004 | 5 | 3 |
| 2005 | 4 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 2 |
| 2015 | 4 | 7 |
| 2016 | 4 | 2 |
| 2017 | 2 | 4 |
| 2018 | 5 | 2 |
| 2019 | 3 | 7 |
| 2020 | 10 | 5 |
| 2021 | 6 | 3 |
| 2022 | 1 | 5 |
| 2023 | 1 | 7 |
| 2024 | 8 | 7 |
| 2025 | 5 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Residual pressure exhaust air circuit and residual pressure exhaust valve10 Feb 2026US 12,546,413 B2SMC Corporation
- Valve systems30 Sep 2025US 12,429,069 B2Hamilton Sundstrand Corporation (HSC)
- Safety valve2 Sep 2025US 12,404,881 B2Aventics GmbH
- Dual mode force control for surface engaging machinery8 Jul 2025US 12,352,294 B2Parker-Hannifin Corporation
- Parallel electrohydraulic servo valve controlled actuator with failure accommodation24 Apr 2025US 2025/0129807 A1Hamilton Sundstrand Corporation
- Valve systems3 Apr 2025US 2025/0109755 A1Hamilton Sundstrand Corporation (HSC)
- Safety Valve5 Dec 2024US 2024/0401615 A1Aventics GmbH
- Dual Mode Force Control for Surface Engaging Machinery28 Nov 2024US 2024/0392810 A1Parker-Hannifin Corporation
- Process quantity measurement device29 Aug 2024US 2024/0288011 A1Keyence Corporation
Most cited
By later US patents
- Microstructure gas valve control172US 5,176,358 AHoneywell Inc. · 1993
- Microstructure gas valve control171US 5,323,999 AHoneywell Inc. · 1994
- Microstructure gas valve control forming method168US 5,441,597 AHoneywell Inc. · 1995
- Fluid pressure drive device98US 4,175,589 AHitachi, Ltd. · 1979
- Fluid control valve apparatus39US 4,706,932 AHitachi Construction Machinery Co., Ltd. · 1987