F15B 2211/415
Characterised by the connections of the flow control means in the circuit
Official title: characterised by the connections of the flow control means in the circuit
F15B2211/415 (Characterised by the connections of the flow control means in the circuit) appears on 965 US grants and 810 published applications in this corpus.
Search patents in F15B- Granted patents
- 965
- Published applications
- 810
- Assignees
- 418
- Inventors
- 1,845
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 13 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 8 | 0 |
| 1988 | 12 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 8 | 0 |
| 1998 | 19 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 28 | 3 |
| 2002 | 19 | 14 |
| 2003 | 19 | 26 |
| 2004 | 24 | 21 |
| 2005 | 16 | 22 |
| 2006 | 15 | 13 |
| 2007 | 12 | 15 |
| 2008 | 10 | 11 |
| 2009 | 10 | 11 |
| 2010 | 8 | 15 |
| 2011 | 10 | 25 |
| 2012 | 6 | 14 |
| 2013 | 20 | 27 |
| 2014 | 14 | 28 |
| 2015 | 17 | 56 |
| 2016 | 27 | 27 |
| 2017 | 34 | 44 |
| 2018 | 33 | 46 |
| 2019 | 50 | 49 |
| 2020 | 58 | 51 |
| 2021 | 60 | 51 |
| 2022 | 44 | 67 |
| 2023 | 41 | 45 |
| 2024 | 53 | 51 |
| 2025 | 60 | 53 |
| 2026 | 33 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 2211/41527Being connected to an output member and a directional control valveIndexing code310
- F15B 2211/41509Being connected to a pressure source and a directional control valveIndexing code239
- F15B 2211/41581Being connected to an output member and a return lineIndexing code171
- F15B 2211/41572Being connected to a pressure source and an output memberIndexing code145
- F15B 2211/41554Being connected to a return line and a directional control valveIndexing code124
- F15B 2211/41563Being connected to a pressure source and a return lineIndexing code115
- F15B 2211/4159Being connected to a pressure source, an output member and a returnIndexing code27
Recent patents
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- Crane upper and lower structure interlocking system, and crane9 Jul 2026US 2026/0193063 A1Xuzhou Heavy Machinery Co., Ltd.
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Most cited
By later US patents
- Pneumatically operated mechanism1,103US 6,050,172 AEmhart Glass S. A. · 2000
- Enhanced computer optimized adaptive suspension system and method196US 6,502,837 B1Kenmar Company Trust · 2003
- Enhanced computer optimized adaptive suspension system and method172US 7,076,351 B2Great Northern Technologies, LLC · 2006
- Systems and methods for energy storage and recovery using compressed gas96US 7,832,207 B2SustainX, Inc. · 2010
- Cartridge valve having solenoid bypass and integral relief valve94US 5,992,450 AEaton Corporation · 1999