F15B 2211/322
Actuated by biasing means
Official title: actuated by biasing means, e.g. spring-actuated
F15B2211/322 (Actuated by biasing means) appears on 40 US grants and 42 published applications in this corpus.
Search patents in F15B- Granted patents
- 40
- Published applications
- 42
- Assignees
- 31
- Inventors
- 88
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 2 | 2 |
| 2020 | 4 | 10 |
| 2021 | 4 | 4 |
| 2022 | 7 | 2 |
| 2023 | 2 | 8 |
| 2024 | 6 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas circuit control system of pneumatic cardiopulmonary resuscitation pressing device5 May 2026US 12,616,638 B2Sunlife Science (Suzhou) Inc.
- Residual pressure exhaust air circuit and residual pressure exhaust valve10 Feb 2026US 12,546,413 B2SMC Corporation
- Shuttle valve, directional control valve module, and pneumatic or hydraulic assembly4 Nov 2025US 12,460,657 B2Voith Patent GmbH
- Hydraulic drive system17 Jun 2025US 12,331,762 B2Kawasaki Jukogyo Kabushiki Kaisha
- Solenoid driven actuator18 Feb 2025US 12,228,151 B2Hamilton Sundstrand Corporation
- Remote travel feedback systems and related methods9 Jul 2026US 2026/0194079 A1Fisher Controls International LLC
- Safety valve device25 Dec 2025US 2025/0389287 A1Festo AG & Co.
- Valve and valve assembly method3 Jul 2025US 2025/0215985 A1Eagle Industry Co., Ltd.
- Shuttle valve, directional control valve module, and pneumatic or hydraulic assembly14 Nov 2024US 2024/0376912 A1Voith Patent GmbH
- Residual pressure exhaust air circuit and residual pressure exhaust valve8 Feb 2024US 2024/0044421 A1SMC Corporation
Most cited
By later US patents
- Proportional valve for fluid flow control5US 10,626,892 B1Sun Hydraulics, LLC · 2020
- Seat-style pressure-relief valve4US 5,564,468 ARobert Bosch GmbH · 1996
- Control device for hydraulic servomechanisms3US 4,285,267 ABendiberica S.A. · 1981
- Pressure-compensating directional control valve3US 7,581,487 B2Hydrocontrol S.P.A. · 2009
- Hydraulic drive system for working machine including track device of crawler type2US 10,287,751 B2Hitachi Construction Machinery Tierra Co., Ltd. · 2019