F15B 2211/20507
Type of prime mover
F15B2211/20507 (Type of prime mover) appears on 933 US grants and 1,074 published applications in this corpus.
Search patents in F15B- Granted patents
- 933
- Published applications
- 1,074
- Assignees
- 418
- Inventors
- 1,944
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 7 |
| 2003 | 6 | 14 |
| 2004 | 12 | 9 |
| 2005 | 8 | 16 |
| 2006 | 12 | 17 |
| 2007 | 12 | 23 |
| 2008 | 12 | 23 |
| 2009 | 20 | 47 |
| 2010 | 14 | 29 |
| 2011 | 20 | 28 |
| 2012 | 22 | 24 |
| 2013 | 32 | 41 |
| 2014 | 27 | 38 |
| 2015 | 23 | 51 |
| 2016 | 36 | 74 |
| 2017 | 54 | 53 |
| 2018 | 49 | 57 |
| 2019 | 77 | 72 |
| 2020 | 63 | 64 |
| 2021 | 79 | 60 |
| 2022 | 50 | 81 |
| 2023 | 62 | 73 |
| 2024 | 59 | 70 |
| 2025 | 72 | 64 |
| 2026 | 39 | 38 |
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
- Hybrid electro-hydraulic load sensing system and control method thereof15 Sep 2026US 12,736,067 B2Chongqing University
- Work machine accessory motor load protection8 Sep 2026US 12,729,699 B2Caterpillar Inc.
- Hydraulic drive device18 Aug 2026US 12,710,061 B2Kawasaki Jukogyo Kabushiki Kaisha
- Speed control for hydraulic system of a refuse vehicle11 Aug 2026US 12,703,315 B2Oshkosh Corporation
- 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.
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Closed-system electrohydraulic actuator93US 7,051,526 B2Moog Inc. · 2006
- Regenerative adaptive fluid motor control77US 6,349,543 B12002
- Pneumo-hydraulic converter for energy storage76US 6,145,311 A2000
- Hydraulic system for supplying hydraulic fluid to a hydraulically operated device alternately at pressures of different value71US 4,142,368 AWelko Industriale S.p.A. · 1979
- Hydraulic system65US 7,827,787 B2Deere & Company · 2010