F15B 2211/895
Manual override
F15B2211/895 (Manual override) appears on 30 US grants and 38 published applications in this corpus.
Search patents in F15B- Granted patents
- 30
- Published applications
- 38
- Assignees
- 30
- Inventors
- 71
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 3 |
| 2018 | 1 | 5 |
| 2019 | 4 | 4 |
| 2020 | 5 | 7 |
| 2021 | 5 | 5 |
| 2022 | 5 | 4 |
| 2023 | 4 | 4 |
| 2024 | 3 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Actuator and spool type directional control valve13 Jan 2026US 12,523,318 B2Danfoss Power Solutions (Zhejiang) Co. Ltd.
- Emergency isolation valve control design4 Feb 2025US 12,215,722 B2Saudi Arabian Oil Company
- Valve bank and smart control valve17 Sep 2024US 12,092,229 B2Parker-Hannifin Corporation
- Universal logic circuit for electro-hydraulic actuator9 Jul 2024US 12,031,639 B2Emerson Process Management Valve Automation, Inc.
- Manually actuated hydraulic circuit for ram air turbine (RAT) restow2 Jan 2024US 11,858,650 B2Hamilton Sundstrand Corporation
- Electromagnetic proportional valve31 Jul 2025US 2025/0243943 A1Nabtesco Corporation
- Emergency isolation valve control design3 Oct 2024US 2024/0328536 A1Saudi Arabian Oil Company
- Universal Logic Circuit for Electro-Hydraulic Actuator19 Sep 2024US 2024/0309965 A1Emerson Process Management Valve Automation, Inc.
- Actuator and spool type directional control valve20 Jun 2024US 2024/0200686 A1Danfoss Power Solutions (Zhejiang) Co. Ltd.
- Systems and Methods for Hydraulic Ride Control System21 Dec 2023US 2023/0407596 A1HUSCO International, Inc.
Most cited
By later US patents
- Load referenced pressure reducing valve7US 5,142,963 ASpectra-Physics Laserplane, Inc. · 1992
- Power units with manual override controls for hydraulic systems5US 10,760,599 B2KTI Hydraulics Inc. · 2020
- Valve having a control slide guided in a valve housing so as to be longitudinally movable4US 10,408,363 B2Hydac System GmbH · 2019
- Pneumatic control system3US 10,760,318 B2Aventics GmbH · 2020
- Large manipulator having an articulated mast that can be quickly folded and unfolded3US 11,098,491 B2Schwing GmbH · 2021