F15B 2211/30555
Inlet and outlet of the pressure compensating valve being connected to the
Official title: Inlet and outlet of the pressure compensating valve being connected to the directional control valve
F15B2211/30555 (Inlet and outlet of the pressure compensating valve being connected to the) appears on 112 US grants and 87 published applications in this corpus.
Search patents in F15B- Granted patents
- 112
- Published applications
- 87
- Assignees
- 41
- Inventors
- 189
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 4 |
| 2004 | 3 | 2 |
| 2005 | 3 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 9 |
| 2009 | 3 | 5 |
| 2010 | 6 | 4 |
| 2011 | 3 | 3 |
| 2012 | 1 | 2 |
| 2013 | 5 | 4 |
| 2014 | 3 | 3 |
| 2015 | 3 | 3 |
| 2016 | 3 | 3 |
| 2017 | 3 | 7 |
| 2018 | 2 | 5 |
| 2019 | 5 | 3 |
| 2020 | 6 | 5 |
| 2021 | 6 | 5 |
| 2022 | 6 | 5 |
| 2023 | 5 | 4 |
| 2024 | 2 | 4 |
| 2025 | 3 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic distributor with pressure compensator for directional valves18 Aug 2026US 12,710,062 B2Walvoil S.P.A.
- Actuator deadhead/stall detection in a load sense hydraulic system6 Jan 2026US 12,516,687 B2Danfoss A/S
- Working machine7 Oct 2025US 12,435,493 B2Kubota Corporation
- Hydraulic system22 Apr 2025US 12,281,461 B2J. C. Bamford Excavators Limited
- Hydraulic system for working machine4 Mar 2025US 12,241,230 B2Kubota Corporation
- Bulldozing hydraulic system with bulldozing blade floating function and excavator11 Jun 2026US 2026/0160045 A1Xuzhou XCMG Excavator Machinery Co., Ltd.
- Actuator deadhead/stall detection in a load sense hydraulic system31 Oct 2024US 2024/0360850 A1Danfoss A/S
- Hydraulic system for working machine22 Feb 2024US 2024/0060273 A1Kubota Corporation
- Hydraulic system for working machine15 Feb 2024US 2024/0052597 A1Kubota Corporation
- Inlet section for use in a hydraulic distributor15 Feb 2024US 2024/0052935 A1Bucher Hydraulics AG
Most cited
By later US patents
- Fast response load sense control system41US 4,986,071 AKomatsu Dresser Company · 1991
- Pressure compensating hydraulic control system41US 5,579,642 AHUSCO International, Inc. · 1996
- Hydraulic valve assembly with a pressure compensated directional spool valve and a regeneration shunt valve41US 7,487,707 B2HUSCO International, Inc. · 2009
- Swing-frame motor flow and sensed load pressure control system for hydraulic excavator33US 4,938,023 AShin Caterpillar Mitsubishi Ltd. · 1990
- Load check and pressure compensating valve33US 5,067,389 ACaterpillar Inc. · 1991