F15B 2211/41
Characterised by the positions of the valve element
Official title: characterised by the positions of the valve element
F15B2211/41 (Characterised by the positions of the valve element) appears on 297 US grants and 249 published applications in this corpus.
Search patents in F15B- Granted patents
- 297
- Published applications
- 249
- Assignees
- 176
- Inventors
- 640
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 1 |
| 2002 | 3 | 3 |
| 2003 | 5 | 7 |
| 2004 | 8 | 5 |
| 2005 | 3 | 5 |
| 2006 | 3 | 7 |
| 2007 | 9 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 8 |
| 2010 | 4 | 7 |
| 2011 | 1 | 6 |
| 2012 | 9 | 4 |
| 2013 | 7 | 13 |
| 2014 | 3 | 4 |
| 2015 | 7 | 9 |
| 2016 | 8 | 7 |
| 2017 | 4 | 10 |
| 2018 | 6 | 10 |
| 2019 | 13 | 22 |
| 2020 | 18 | 21 |
| 2021 | 22 | 16 |
| 2022 | 15 | 13 |
| 2023 | 13 | 20 |
| 2024 | 11 | 16 |
| 2025 | 21 | 18 |
| 2026 | 14 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydraulic power steering system25 Aug 2026US 12,715,501 B2Hydac New Technologies GmbH
- Temperature regulation system for vehicle hydraulic system25 Aug 2026US 12,716,434 B2Oshkosh Corporation
- Control device of a pneumatic element23 Jun 2026US 12,663,024 B2Gimatic S.p.A.
- Aerial work platform, and method for controlling an aerial work platform2 Jun 2026US 12,644,475 B2Haulotte Group
- Variable relief circuit19 May 2026US 12,631,201 B2HUSCO International, Inc.
- Work Machine13 Aug 2026US 2026/0234907 A1Hitachi Construction Machinery Co., Ltd.
- Operator group, especially for an operator vehicle25 Jun 2026US 2026/0176118 A1Manitou Italia S.R.L.
- Asphalt finisher4 Jun 2026US 2026/0152905 A1Sumitomo Construction Machinery Co., Ltd.
- Compressed-air supply unit, compressed-air supply system, vehicle and operating method14 May 2026US 2026/0131760 A1Zf Cv Systems Europe BV
- Method and system for hydraulic flow control of automation systems for work implements of work machines26 Mar 2026US 2026/0085494 A1Deere & Company
Most cited
By later US patents
- Device and method for regulating fluid flow in a well74US 6,516,888 B1Triangle Equipment AS · 2003
- 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
- Pilot solenoid control valve and hydraulic control system using same49US 5,878,647 AHUSCO International, Inc. · 1999
- Hydraulic drive and steering systems for a vehicle48US 5,427,195 AInt. Silvatech Ltd. · 1995
- Proportional seat-type 4-way valve47US 5,211,196 AHydrolux S.a r.l. · 1993