F15B 2211/8623
Electric supply failure
F15B2211/8623 (Electric supply failure) appears on 50 US grants and 59 published applications in this corpus.
Search patents in F15B- Granted patents
- 50
- Published applications
- 59
- Assignees
- 46
- Inventors
- 147
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 2 | 6 |
| 2017 | 1 | 2 |
| 2018 | 3 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 6 |
| 2021 | 7 | 7 |
| 2022 | 7 | 7 |
| 2023 | 6 | 8 |
| 2024 | 5 | 5 |
| 2025 | 7 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manifold system for 2003 configuration17 Feb 2026US 12,553,454 B2Rotex Automation Limited
- Shuttle valve, directional control valve module, and pneumatic or hydraulic assembly4 Nov 2025US 12,460,657 B2Voith Patent GmbH
- Valve driving with mechanical delay14 Oct 2025US 12,442,465 B2Petroleo Brasileiro S.A. - Petrobras
- Hydraulic actuator with dual pneumatic operation applied as hydraulic actuation for hydroelectric power plants30 Sep 2025US 12,429,075 B2Metal Tecnica Bovenau Ltda
- Pilot control unit for at least one valve drive of a hydraulic valve and method for operating same23 Sep 2025US 12,421,988 B2Bucher Hydraulics AG
- Hydraulic System having an Inertia Charging Arrangement25 Jun 2026US 2026/0177086 A1Robert Bosch GmbH
- Hydraulic Cylinder Assembly and Method for Operating a Hydraulic Cylinder Assembly23 Oct 2025US 2025/0327467 A1Robert Bosch GmbH
- Linear Actuator for Actuating a Process Valve8 May 2025US 2025/0146595 A1Robert Bosch GmbH
- Hydraulic actuator with dual pneumatic operation applied as hydraulic actuation for hydroelectric power plants20 Mar 2025US 2025/0092887 A1Metal Tecnica Bovenau Ltda
- Dual electrical power supplies for a hydraulic actuator system13 Mar 2025US 2025/0084875 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Electronic compressed-air processing system25US 6,540,308 B1Knorr-Bremse Systeme fur Nutzfahrzeuge GmbH · 2003
- Actuator with failfixed zero drift11US 5,735,122 AUnited Technologies Corporation · 1998
- Hydraulic controller for working machine10US 7,155,909 B2Kobelco Construction Machinery Co., Ltd. · 2007
- Hydraulic system for construction machinery10US 9,926,950 B2Hitachi Construction Machinery Co., Ltd. · 2018
- Actuator system having a valve manifold6US 7,591,133 B22009