F15B 2211/422
Actuated by biasing means
Official title: actuated by biasing means, e.g. spring-actuated
F15B2211/422 (Actuated by biasing means) appears on 18 US grants and 21 published applications in this corpus.
Search patents in F15B- Granted patents
- 18
- Published applications
- 21
- Assignees
- 17
- Inventors
- 41
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 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 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 4 |
| 2022 | 2 | 2 |
| 2023 | 2 | 5 |
| 2024 | 2 | 2 |
| 2025 | 5 | 1 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Variable relief circuit19 May 2026US 12,631,201 B2HUSCO International, Inc.
- Actuator load and slew rate limiting via pressure throttling shutoff valve10 Feb 2026US 12,546,339 B1Hamilton Sundstrand Corporation
- Pump control shock absorber11 Nov 2025US 12,467,549 B2Caterpillar Global Mining LLC
- Cylinder on demand hydraulic device14 Oct 2025US 12,442,398 B2Tonand Inc.
- Fluid valve20 May 2025US 12,305,765 B2Nabtesco Corporation
- Turbine engine comprising an actuator and aircraft comprising such a turbine engine, and corresponding actuation method1 Jan 2026US 2026/0002474 A1Safran Power Units
- Two-stage speed controller17 Apr 2025US 2025/0122893 A1Taiwan Chelic Co., Ltd.
- Pump control shock absorber7 Nov 2024US 2024/0369078 A1Caterpillar Global Mining LLC
- Fluid valve2 May 2024US 2024/0142005 A1Nabtesco Corporation
- Variable Relief Circuit30 Nov 2023US 2023/0383769 A1HUSCO International, Inc.
Most cited
By later US patents
- Electro-hydraulic system for fan driving and brake charging18US 7,240,486 B2Caterpillar Inc. · 2007
- Delay-interruption connector for pneumatic tool6US 6,523,621 B1Illinois Tool Works Inc. · 2003
- Actuator with end stop valve2US 11,635,097 B1Hamilton Sundstrand Corporation · 2023
- Fluid regulator having integral fluid purge mechanism1US 11,118,691 B2G. P. Reeves, Inc. · 2021
- Arrangements and methods for controlled flow rate of pneumatic actuated valves1US 11,542,964 B2Swagelok Company · 2023