F15B 11/161
With sensing of servomotor demand or load
Official title: {with sensing of servomotor demand or load}
F15B11/161 (With sensing of servomotor demand or load) appears on 759 US grants and 601 published applications in this corpus.
Search patents in F15B- Granted patents
- 759
- Published applications
- 601
- Assignees
- 219
- Inventors
- 1,152
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 12 | 0 |
| 1980 | 8 | 0 |
| 1981 | 7 | 0 |
| 1982 | 7 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 13 | 0 |
| 1995 | 11 | 0 |
| 1996 | 9 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 25 | 1 |
| 2002 | 16 | 14 |
| 2003 | 16 | 18 |
| 2004 | 15 | 19 |
| 2005 | 14 | 18 |
| 2006 | 13 | 19 |
| 2007 | 14 | 26 |
| 2008 | 16 | 18 |
| 2009 | 13 | 22 |
| 2010 | 12 | 18 |
| 2011 | 14 | 8 |
| 2012 | 4 | 25 |
| 2013 | 16 | 27 |
| 2014 | 14 | 14 |
| 2015 | 23 | 38 |
| 2016 | 21 | 31 |
| 2017 | 35 | 27 |
| 2018 | 32 | 33 |
| 2019 | 38 | 24 |
| 2020 | 32 | 29 |
| 2021 | 35 | 39 |
| 2022 | 37 | 28 |
| 2023 | 34 | 29 |
| 2024 | 27 | 36 |
| 2025 | 36 | 25 |
| 2026 | 19 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 11/165For adjusting the pump output or bypass in response to demand394
- F15B 11/162For giving priority to particular servomotors or users210
- F15B 11/163For sharing the pump output equally amongst users or groups of users163
- F15B 11/166Controlling a pilot pressure in response to the load, i.e. supply to61
- F15B 11/167Using pilot pressure to sense the demand40
- F15B 11/168With at least one load sense pressure being derived from a work34
Recent patents
- Electrohydraulic control device and adjustable hydraulic pump system6 Oct 2026US 12,753,781 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.
- Hydraulic assembly and commercial vehicle21 Jul 2026US 12,687,178 B2Deere & Company
- Hydraulic drive apparatus21 Jul 2026US 12,687,182 B2Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic system for a vehicle1 Oct 2026US 2026/0296861 A1Oshkosh Corporation
- Hauling Vehicle27 Aug 2026US 2026/0249901 A1Hitachi Construction Machinery Co., Ltd.
- Hydraulic system management method for machine control13 Aug 2026US 2026/0234895 A1Deere & Company
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
- Construction machine and control method thereof18 Jun 2026US 2026/0168209 A1Hd Hyundai Infracore Co., Ltd.
Most cited
By later US patents
- Fluid power distribution and control system111US 10,161,423 B2Sauer-Danfoss ApS · 2018
- Automotive hydraulic system and method for driving a hydraulic accessory in parallel with a power steering unit108US 6,073,536 A2000
- Cartridge valve having solenoid bypass and integral relief valve94US 5,992,450 AEaton Corporation · 1999
- Variable flow hydraulic system73US 6,029,445 ACase Corporation · 2000
- Control system for load-sensing hydraulic drive circuit65US 4,967,557 AHitachi Construction Machinery Co., Ltd. · 1990