F15B 2211/275
Control of the prime mover
Official title: Control of the prime mover, e.g. hydraulic control
F15B2211/275 (Control of the prime mover) appears on 59 US grants and 61 published applications in this corpus.
Search patents in F15B- Granted patents
- 59
- Published applications
- 61
- Assignees
- 49
- Inventors
- 160
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 3 |
| 2015 | 3 | 4 |
| 2016 | 0 | 3 |
| 2017 | 4 | 8 |
| 2018 | 2 | 7 |
| 2019 | 13 | 15 |
| 2020 | 11 | 6 |
| 2021 | 3 | 1 |
| 2022 | 3 | 3 |
| 2023 | 1 | 2 |
| 2024 | 5 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Volume follow supply9 Jun 2026US 12,650,135 B2Hydac Fluidtechnik GmbH
- Linear actuator assembly and system23 Sep 2025US 12,421,985 B2Project Phoenix, LLC
- Hydraulic control system, work machine and method for controlling operation of a work attachment3 Sep 2024US 12,077,941 B2Komatsu Ltd.
- Work machine2 Apr 2024US 11,946,226 B2Hitachi Construction Machinery Co., Ltd.
- Hydraulic machine27 Feb 2024US 11,913,195 B2Volvo Construction Equipment AB
- Hydraulic system11 Jun 2026US 2026/0163513 A1Kawasaki Jukogyo Kabushiki Kaisha
- Linear actuator assembly and system21 May 2026US 2026/0139694 A1Project Phoenix, LLC
- Volume Follow Supply4 Dec 2025US 2025/0369458 A1Hydac Fluidtechnik GmbH
- Work Machine12 Oct 2023US 2023/0323635 A1Hitachi Construction Machinery Co., Ltd.
- Hydraulic machine27 Jul 2023US 2023/0235537 A1Volvo Construction Equipment AB
Most cited
By later US patents
- Variable engine speed control20US 10,302,027 B2Clark Equipment Company · 2019
- Multiple pump control system18US 4,002,027 ASargent Industries, Inc. · 1977
- Dual consumer hydraulic mechanisms16US 4,635,440 ALinde Aktiengesellschaft · 1987
- Hybrid construction machine having auxiliary battery and control apparatus thereof15US 7,279,801 B2Kobelco Construction Machinery Co., Ltd. · 2007
- Hydraulic drive unit of hydraulic excavator11US 10,472,805 B1Takeuchi Mfg. Co., Ltd. · 2019