F15B 2211/3058
Having additional valves for interconnecting the fluid chambers of a double-acting actuator
Official title: having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating mode
F15B2211/3058 (Having additional valves for interconnecting the fluid chambers of a double-acting actuator) appears on 300 US grants and 304 published applications in this corpus.
Search patents in F15B- Granted patents
- 300
- Published applications
- 304
- Assignees
- 142
- Inventors
- 591
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 8 |
| 2004 | 6 | 3 |
| 2005 | 6 | 5 |
| 2006 | 6 | 6 |
| 2007 | 2 | 0 |
| 2008 | 3 | 3 |
| 2009 | 0 | 3 |
| 2010 | 3 | 6 |
| 2011 | 5 | 7 |
| 2012 | 5 | 9 |
| 2013 | 4 | 14 |
| 2014 | 6 | 20 |
| 2015 | 14 | 22 |
| 2016 | 16 | 19 |
| 2017 | 14 | 15 |
| 2018 | 13 | 17 |
| 2019 | 24 | 22 |
| 2020 | 20 | 15 |
| 2021 | 19 | 23 |
| 2022 | 13 | 24 |
| 2023 | 13 | 16 |
| 2024 | 23 | 14 |
| 2025 | 17 | 24 |
| 2026 | 13 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic drive device18 Aug 2026US 12,710,061 B2Kawasaki Jukogyo Kabushiki Kaisha
- Fluid controller21 Jul 2026US 12,687,183 B2Kawasaki Jukogyo Kabushiki Kaisha
- System and method for a pilot shifted regeneration valve7 Jul 2026US 12,674,474 B1Custom Truck One Source, Inc.
- Electro-hydraulic actuator with a pilot-actuated float mode16 Jun 2026US 12,655,918 B2Parker-Hannifin Corporation
- Hydraulic drive device9 Jun 2026US 12,650,136 B2Kawasaki Jukogyo Kabushiki Kaisha
- Dump truck23 Jul 2026US 2026/0208652 A1Komatsu Ltd.
- Hydraulic valve and hydraulic circuit25 Jun 2026US 2026/0177081 A1Komatsu Ltd.
- Restraint Systems and Restraint System Methods4 Jun 2026US 2026/0152140 A1Advanced Concepts in Manufacturing LLC
- Swing deceleration control system16 Apr 2026US 2026/0103871 A1Deere & Company
- Pilot operated blow-off valves for hydraulic actuators19 Mar 2026US 2026/0078778 A1ClearMotion, Inc.
Most cited
By later US patents
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010
- Systems and methods for energy storage and recovery using rapid isothermal gas expansion and compression73US 7,874,155 B2SustainX, Inc. · 2011
- Systems and methods for energy storage and recovery using compressed gas63US 7,900,444 B1SustainX, Inc. · 2011
- Control valve system for blowout preventers58US 4,509,405 ANL Industries, Inc. · 1985
- Hydraulic system having a combined meter-out and regeneration valve assembly32US 5,415,076 ACaterpillar Inc. · 1995