F15B 2211/3053
In combination with a pressure compensating valve
F15B2211/3053 (In combination with a pressure compensating valve) appears on 481 US grants and 288 published applications in this corpus.
Search patents in F15B- Granted patents
- 481
- Published applications
- 288
- Assignees
- 144
- Inventors
- 654
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 10 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 1 |
| 2002 | 9 | 6 |
| 2003 | 7 | 5 |
| 2004 | 5 | 3 |
| 2005 | 4 | 6 |
| 2006 | 5 | 16 |
| 2007 | 9 | 13 |
| 2008 | 8 | 16 |
| 2009 | 7 | 19 |
| 2010 | 10 | 13 |
| 2011 | 17 | 6 |
| 2012 | 3 | 8 |
| 2013 | 12 | 10 |
| 2014 | 8 | 8 |
| 2015 | 8 | 17 |
| 2016 | 9 | 11 |
| 2017 | 12 | 16 |
| 2018 | 12 | 19 |
| 2019 | 22 | 12 |
| 2020 | 18 | 12 |
| 2021 | 15 | 20 |
| 2022 | 17 | 12 |
| 2023 | 12 | 8 |
| 2024 | 7 | 16 |
| 2025 | 17 | 10 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 2211/30535The pressure compensating valve is arranged between pressure source and directional controlIndexing code304
- F15B 2211/30555Inlet and outlet of the pressure compensating valve being connected to theIndexing code112
- F15B 2211/3054The pressure compensating valve is arranged between directional control valve and outputIndexing code55
- F15B 2211/3055The pressure compensating valve is arranged between directional control valve and returnIndexing code29
- F15B 2211/30545The pressure compensating valve is arranged between output member and directional controlIndexing code7
Recent patents
- Valve section and hydraulic valve assembly22 Sep 2026US 12,742,463 B2HAWE Hydraulik SE
- Hybrid electro-hydraulic load sensing system and control method thereof15 Sep 2026US 12,736,067 B2Chongqing University
- Hydraulic distributor with pressure compensator for directional valves18 Aug 2026US 12,710,062 B2Walvoil S.P.A.
- Volume follow supply9 Jun 2026US 12,650,135 B2Hydac Fluidtechnik GmbH
- Calibration system in hydraulic system3 Feb 2026US 12,540,634 B2Caterpillar SARL
- Bulldozing hydraulic system with bulldozing blade floating function and excavator11 Jun 2026US 2026/0160045 A1Xuzhou XCMG Excavator Machinery Co., Ltd.
- Asphalt finisher4 Jun 2026US 2026/0152905 A1Sumitomo Construction Machinery Co., Ltd.
- Pressure compensation valve and hydraulic control system28 May 2026US 2026/0145919 A1Zhejiang Senstren Technology Co., LTD
- Valve Assembly for Double-Acting Hoisting Mechanism29 Jan 2026US 2026/0029001 A1Robert Bosch GmbH
- Valve section and hydraulic valve assembly1 Jan 2026US 2026/0002550 A1HAWE Hydraulik SE
Most cited
By later US patents
- Regenerative adaptive fluid motor control77US 6,349,543 B12002
- Control system for load-sensing hydraulic drive circuit65US 4,967,557 AHitachi Construction Machinery Co., Ltd. · 1990
- Multiple consumer hydraulic mechanisms60US 4,617,854 ALinde Aktiengesellschaft · 1986
- Dual-pump, flow-isolated hydraulic circuit for an agricultural tractor60US 5,918,558 ACase Corporation · 1999
- Control for load sharing pumps49US 4,345,436 ACaterpillar Tractor Co. · 1982