F15B 2211/2053
Type of pump
F15B2211/2053 (Type of pump) appears on 2,405 US grants and 2,174 published applications in this corpus.
Search patents in F15B- Granted patents
- 2,405
- Published applications
- 2,174
- Assignees
- 735
- Inventors
- 3,605
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 25 | 0 |
| 1978 | 23 | 0 |
| 1979 | 21 | 0 |
| 1980 | 22 | 0 |
| 1981 | 9 | 0 |
| 1982 | 19 | 0 |
| 1983 | 10 | 0 |
| 1984 | 13 | 0 |
| 1985 | 19 | 0 |
| 1986 | 11 | 0 |
| 1987 | 18 | 0 |
| 1988 | 13 | 0 |
| 1989 | 12 | 0 |
| 1990 | 12 | 0 |
| 1991 | 24 | 0 |
| 1992 | 25 | 0 |
| 1993 | 20 | 0 |
| 1994 | 31 | 0 |
| 1995 | 26 | 0 |
| 1996 | 23 | 0 |
| 1997 | 20 | 0 |
| 1998 | 29 | 0 |
| 1999 | 26 | 0 |
| 2000 | 43 | 0 |
| 2001 | 51 | 5 |
| 2002 | 42 | 34 |
| 2003 | 36 | 48 |
| 2004 | 35 | 43 |
| 2005 | 39 | 55 |
| 2006 | 36 | 60 |
| 2007 | 50 | 68 |
| 2008 | 41 | 69 |
| 2009 | 49 | 92 |
| 2010 | 32 | 66 |
| 2011 | 56 | 70 |
| 2012 | 43 | 71 |
| 2013 | 72 | 121 |
| 2014 | 76 | 102 |
| 2015 | 66 | 113 |
| 2016 | 92 | 111 |
| 2017 | 104 | 108 |
| 2018 | 97 | 127 |
| 2019 | 141 | 98 |
| 2020 | 112 | 105 |
| 2021 | 138 | 119 |
| 2022 | 95 | 119 |
| 2023 | 104 | 103 |
| 2024 | 99 | 111 |
| 2025 | 102 | 93 |
| 2026 | 65 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control method based on a four-chamber hydraulic cylinder6 Oct 2026US 12,753,780 B2Taiyuan University of Technology
- Electrohydraulic control device and adjustable hydraulic pump system6 Oct 2026US 12,753,781 B2HAWE Hydraulik SE
- Solenoid concept for pump control of a variable displacement piston pump29 Sep 2026US 12,747,727 B2Hamilton Sundstrand Corporation
- Hybrid electro-hydraulic load sensing system and control method thereof15 Sep 2026US 12,736,067 B2Chongqing University
- Hydraulic drive device18 Aug 2026US 12,710,061 B2Kawasaki Jukogyo Kabushiki Kaisha
- Hydraulic system for a refuse vehicle1 Oct 2026US 2026/0296342 A1Oshkosh Corporation
- Route planning based control of a refuse vehicle hydraulic system3 Sep 2026US 2026/0257638 A1Oshkosh Corporation
- Hauling Vehicle27 Aug 2026US 2026/0249901 A1Hitachi Construction Machinery Co., Ltd.
- Transport vehicle20 Aug 2026US 2026/0241846 A1Hitachi Construction Machinery Co., Ltd.
- Hydraulic system management method for machine control13 Aug 2026US 2026/0234895 A1Deere & Company
Most cited
By later US patents
- Force-controlled hydro-elastic actuator139US 6,494,039 B2Massachusetts Institute of Technology · 2002
- Fluid power distribution and control system111US 10,161,423 B2Sauer-Danfoss ApS · 2018
- Hydraulic system providing down force on a work implement109US 6,460,623 B1Caterpillar Inc. · 2002
- Accumulator engine103US 5,579,640 AThe United States of America as represented by the Administrator of the Environmental Protection Agency · 1996
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010