F15B 2211/26
Power control functions
F15B2211/26 (Power control functions) appears on 40 US grants and 40 published applications in this corpus.
Search patents in F15B- Granted patents
- 40
- Published applications
- 40
- Assignees
- 34
- Inventors
- 110
- Latest grant
- 6 Oct 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 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 4 | 4 |
| 2014 | 6 | 3 |
| 2015 | 4 | 4 |
| 2016 | 1 | 0 |
| 2017 | 1 | 1 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method based on a four-chamber hydraulic cylinder6 Oct 2026US 12,753,780 B2Taiyuan University of Technology
- Hydraulic system, working vehicle and method17 Jun 2025US 12,331,763 B2Sandvik Mining and Construction Oy
- Hydraulic drive system for construction machine12 Sep 2023US 11,753,800 B2Hitachi Construction Machinery Tierra Co., Ltd.
- Hydraulic circuit24 May 2022US 11,339,811 B2Dana Italia S.R.L.
- Movable-blade operation system for hydraulic machine6 Apr 2021US 10,968,882 B2Kabushiki Kaisha Toshiba
- Hydraulic system11 Jun 2026US 2026/0163513 A1Kawasaki Jukogyo Kabushiki Kaisha
- Open and closed circuit parallel drive system and control method based on a four-chamber hydraulic cylinder19 Feb 2026US 2026/0049622 A1Taiyuan University of Technology
- Hydraulic system, working vehicle and method6 Feb 2025US 2025/0043808 A1Sandvik Mining and Construction Oy
- Hydraulic Drive System for Construction Machine29 Sep 2022US 2022/0307228 A1Hitachi Construction Machinery Tierra Co., Ltd.
- Hydraulic circuit19 Aug 2021US 2021/0254642 A1Dana Italia S.R.L.
Most cited
By later US patents
- Power system and work machine using same43US 7,197,871 B2Caterpillar Inc. · 2007
- Digital Hydraulic system24US 7,475,538 B22009
- Apparatus for changing and controlling volume of hydraulic oil in hydraulic excavator23US 5,481,875 AKabushiki Kaisha Komatsu Seisakusho · 1996
- Load sensing control system for hydraulic machine18US 5,285,642 AHitachi Construction Machinery Co., Ltd. · 1994
- Fluid power regenerator12US 5,251,442 ARoche Engineering Corporation · 1993