F15B 2013/0448
Actuation by solenoid and permanent magnet
Official title: {Actuation by solenoid and permanent magnet}
F15B2013/0448 (Actuation by solenoid and permanent magnet) appears on 20 US grants and 15 published applications in this corpus.
Search patents in F15B- Granted patents
- 20
- Published applications
- 15
- Assignees
- 17
- Inventors
- 53
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 3 | 2 |
| 2021 | 1 | 2 |
| 2022 | 5 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Single stage servo valve assembly2 Dec 2025US 12,486,915 B2Hamilton Sundstrand Corporation
- Valve4 Mar 2025US 12,241,484 B2Hydac Fluidtechnik GmbH
- Bistable hydraulic solenoid valve11 Oct 2022US 11,466,791 B2The Boeing Company
- Electromagnetic actuator and hydraulic pressure adjustment mechanism26 Jul 2022US 11,398,332 B2Mitsubishi Electric Corporation
- Work machine28 Jun 2022US 11,371,212 B2Hitachi Construction Machinery Co., Ltd.
- Single stage servo valve assembly24 Oct 2024US 2024/0353021 A1Hamilton Sundstrand Corporation
- Valve11 Jan 2024US 2024/0011511 A1Hydac Fluidtechnik GmbH
- Drive system of scraper conveyor and control method3 Mar 2022US 2022/0063927 A1China University of Mining and Technology
- Work Machine3 Mar 2022US 2022/0064904 A1Hitachi Construction Machinery Co., Ltd.
- Bistable hydraulic solenoid valve14 Oct 2021US 2021/0317927 A1The Boeing Company
Most cited
By later US patents
- Servo positioning system90US 5,787,915 AJ. Otto Byers & Associates · 1998
- Proportional electro-hydraulic pressure control device29US 5,249,603 ACaterpillar Inc. · 1993
- Electro-hydraulic regulating valve system25US 4,133,511 AFrieseke & Hoepfner GmbH · 1979
- Heat dissipating voice coil activated valves24US 6,427,970 B1Young & Franklin Inc. · 2002
- Self-latching solenoid valve assembly18US 6,129,115 AMAC Valves, Inc. · 2000