F15B 1/022
Used as an emergency power source
Official title: {used as an emergency power source, e.g. in case of pump failure}
F15B1/022 (Used as an emergency power source) appears on 54 US grants and 69 published applications in this corpus.
Search patents in F15B- Granted patents
- 54
- Published applications
- 69
- Assignees
- 54
- Inventors
- 137
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 3 | 5 |
| 2015 | 3 | 5 |
| 2016 | 5 | 4 |
| 2017 | 3 | 2 |
| 2018 | 3 | 7 |
| 2019 | 4 | 5 |
| 2020 | 5 | 6 |
| 2021 | 8 | 4 |
| 2022 | 1 | 1 |
| 2023 | 1 | 3 |
| 2024 | 5 | 5 |
| 2025 | 2 | 4 |
| 2026 | 1 | 3 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydraulic braking energy utilization for emergency steering, braking, charging accumulator(s), and/or work functions to reduce or prevent engine from overspeed, assist acceleration and/or unlimited towing21 Jul 2026US 12,687,181 B2Applied Industrial Technologies, Inc.
- Rolling assembly23 Dec 2025US 12,502,813 B2Carl Freudenberg KG
- Electrohydraulic pitch-control system with a valve pump in a rotating reference frame26 Aug 2025US 12,397,901 B2Safran Aircraft Engines
- Hydraulic braking energy utilization for emergency steering, braking, charging accumulator(s), and/or work functions to reduce or prevent engine from overspeed, assist acceleration and/or unlimited towing12 Nov 2024US 12,140,163 B2Applied Industrial Technologies, Inc.
- Device for maintaining a hydraulic supply of a utility vehicle10 Sep 2024US 12,083,974 B2Deere & Company
- Hauling Vehicle27 Aug 2026US 2026/0249901 A1Hitachi Construction Machinery Co., Ltd.
- Turbo engine including a system to control pitch of a propeller blade4 Jun 2026US 2026/0153033 A1General Electric Company
- Rolling assembly26 Feb 2026US 2026/0054432 A1Carl Freudenberg KG
- Method for checking the state of a hydraulic accumulator16 Oct 2025US 2025/0320882 A1Deere & Company
- Actuator assembly and method of use4 Sep 2025US 2025/0277542 A1SPEO Products AS
Most cited
By later US patents
- Fail-safe actuation system926US 9,239,064 B2Moog Inc. · 2016
- Accumulator apparatus, system and method41US 6,418,970 B1Noble Drilling Corporation · 2002
- High output modular CAES (HOMC)18US 8,863,519 B2Powerphase LLC · 2014
- Electro-hydrostatic actuator with a failsafe system10US 6,892,534 B2Young & Franklin Inc. · 2005
- Control device, and valve arrangement having such a control device9US 9,091,369 B2Robert Bosch GmbH · 2015