F15B 2211/30595
With additional valves between the groups of valves for multiple output members
Official title: with additional valves between the groups of valves for multiple output members
F15B2211/30595 (With additional valves between the groups of valves for multiple output members) appears on 212 US grants and 209 published applications in this corpus.
Search patents in F15B- Granted patents
- 212
- Published applications
- 209
- Assignees
- 93
- Inventors
- 466
- 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 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 3 | 0 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 3 | 4 |
| 2009 | 3 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 13 |
| 2014 | 4 | 12 |
| 2015 | 7 | 18 |
| 2016 | 5 | 14 |
| 2017 | 15 | 15 |
| 2018 | 17 | 25 |
| 2019 | 23 | 14 |
| 2020 | 20 | 12 |
| 2021 | 18 | 15 |
| 2022 | 11 | 12 |
| 2023 | 9 | 15 |
| 2024 | 14 | 10 |
| 2025 | 11 | 9 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- 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.
- Machine comprising a swing-travel hydraulic system14 Apr 2026US 12,601,152 B2Caterpillar SARL
- Flow distribution control method, device, and apparatus for hydraulic system and hydraulic system24 Feb 2026US 12,559,911 B2Zoomlion Heavy Industry Science and Technology Co., Ltd.
- Hydraulic system management method for machine control13 Aug 2026US 2026/0234895 A1Deere & Company
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
- 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.
- Hydraulic valve apparatus2 Jul 2026US 2026/0185545 A1Komatsu Ltd.
Most cited
By later US patents
- 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
- Control system for hydraulic circuit apparatus32US 4,561,249 AHitachi, Ltd. · 1985