F15B 2211/785
Compensation of the difference in flow rate in closed fluid circuits using
Official title: Compensation of the difference in flow rate in closed fluid circuits using differential actuators
F15B2211/785 (Compensation of the difference in flow rate in closed fluid circuits using) appears on 87 US grants and 101 published applications in this corpus.
Search patents in F15B- Granted patents
- 87
- Published applications
- 101
- Assignees
- 50
- Inventors
- 166
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 6 |
| 2012 | 0 | 3 |
| 2013 | 6 | 10 |
| 2014 | 5 | 9 |
| 2015 | 5 | 11 |
| 2016 | 6 | 11 |
| 2017 | 14 | 4 |
| 2018 | 7 | 4 |
| 2019 | 7 | 5 |
| 2020 | 5 | 2 |
| 2021 | 6 | 8 |
| 2022 | 6 | 7 |
| 2023 | 5 | 3 |
| 2024 | 5 | 6 |
| 2025 | 4 | 2 |
| 2026 | 3 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Energy storage and reutilization for a single-rod electro-hydrostatic actuator9 Jun 2026US 12,650,138 B2University of Manitoba
- Hydraulic drive system having a 2×2Q pump unit19 May 2026US 12,631,200 B2HMS-HYBRID MOTION SOLUTIONS GmbH
- Hydraulic drive system5 May 2026US 12,618,419 B2HMS-HYBRID MOTION SOLUTIONS GmbH
- Electro-hydrostatic actuation system for a thrust reverser for an aircraft turbojet engine nacelle24 Jun 2025US 12,338,780 B2Safran Landing Systems
- Hydraulic arrangement with load-holding function and hydraulic arrangement control method27 May 2025US 12,313,104 B2Robert Bosch GmbH
- Integrated Electrohydraulic Actuator30 Jul 2026US 2026/0218734 A1Parker-Hannifin Corporation
- Construction machine9 Jul 2026US 2026/0193869 A1Hitachi Construction Machinery Co., Ltd.
- Telescopic cylinder with variable volume feed channels and cylinder control28 May 2026US 2026/0146630 A1Manitou Italia S.R.L.
- Hydraulic system22 Jan 2026US 2026/0022717 A1Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic Drive System21 Aug 2025US 2025/0264117 A1HMS-HYBRID MOTION SOLUTIONS GmbH
Most cited
By later US patents
- Fail-safe actuation system926US 9,239,064 B2Moog Inc. · 2016
- Hybrid machine with hydraulic drive device53US 6,962,050 B2Komatsu Ltd. · 2005
- Hybrid excavator including a fast-stopping apparatus for a hybrid actuator32US 8,869,924 B2Volvo Construction Equipment AB · 2014
- Cylinder driving system and energy regenerating method thereof30US 6,912,849 B2Komatsu Ltd. · 2005
- Velocity control of unbalanced hydraulic actuator subjected to over-center load conditions30US 9,234,532 B2Parker-Hannifin Corporation · 2016