F15B 2211/3059
Having multiple valves for multiple output members
Official title: having multiple valves for multiple output members
F15B2211/3059 (Having multiple valves for multiple output members) appears on 329 US grants and 330 published applications in this corpus.
Search patents in F15B- Granted patents
- 329
- Published applications
- 330
- Assignees
- 154
- Inventors
- 705
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 4 |
| 2003 | 2 | 3 |
| 2004 | 4 | 5 |
| 2005 | 4 | 2 |
| 2006 | 1 | 7 |
| 2007 | 3 | 1 |
| 2008 | 5 | 5 |
| 2009 | 4 | 3 |
| 2010 | 1 | 2 |
| 2011 | 3 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 19 |
| 2014 | 5 | 15 |
| 2015 | 10 | 26 |
| 2016 | 11 | 21 |
| 2017 | 21 | 22 |
| 2018 | 24 | 39 |
| 2019 | 37 | 21 |
| 2020 | 33 | 18 |
| 2021 | 24 | 22 |
| 2022 | 15 | 24 |
| 2023 | 18 | 21 |
| 2024 | 20 | 18 |
| 2025 | 19 | 16 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Drive control device for rotating work machine and rotating work machine provided with same16 Jun 2026US 12,655,607 B2Kobelco Construction Machinery Co., Ltd.
- Hydraulic drive device9 Jun 2026US 12,650,136 B2Kawasaki Jukogyo Kabushiki Kaisha
- Working vehicle19 May 2026US 12,631,001 B2Takeuchi Mfg. Co., Ltd.
- Hydraulic system for a vehicle or a container, and vehicle or container having such a hydraulic system12 May 2026US 12,624,713 B2E & P Hydraulics B.V.
- Hydraulic distributor with compensation device for directional valves5 May 2026US 12,618,422 B2Walvoil S.P.A.
- Hydraulic system management method for machine control13 Aug 2026US 2026/0234895 A1Deere & Company
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
- Three servovalve thrust reverser actuator system23 Jul 2026US 2026/0210311 A1
- Crane upper and lower structure interlocking system, and crane9 Jul 2026US 2026/0193063 A1Xuzhou Heavy Machinery Co., Ltd.
- Construction machine9 Jul 2026US 2026/0193869 A1Hitachi Construction Machinery Co., Ltd.
Most cited
By later US patents
- Automotive hydraulic system and method for driving a hydraulic accessory in parallel with a power steering unit108US 6,073,536 A2000
- Hydraulic control circuit in a hydraulic excavator52US 5,970,709 AKabushiki Kaisha Kobe Seiko Sho · 1999
- Variable rate meter drive system51US 6,851,377 B2CNH Canada, Ltd. · 2005
- Control system for hydraulic circuit apparatus50US 4,586,330 AHitachi Construction Machinery Co., Ltd. · 1986
- Fluid control system for power shovel46US 5,083,428 AKabushiki Kaisha Kobe Seiko Sho · 1992