F15B 2211/60
Circuit components or control therefor
F15B2211/60 (Circuit components or control therefor) appears on 3,571 US grants and 3,434 published applications in this corpus.
Search patents in F15B- Granted patents
- 3,571
- Published applications
- 3,434
- Assignees
- 1,096
- Inventors
- 5,723
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 43 | 0 |
| 1977 | 28 | 0 |
| 1978 | 23 | 0 |
| 1979 | 22 | 0 |
| 1980 | 26 | 0 |
| 1981 | 18 | 0 |
| 1982 | 28 | 0 |
| 1983 | 15 | 0 |
| 1984 | 18 | 0 |
| 1985 | 22 | 0 |
| 1986 | 15 | 0 |
| 1987 | 18 | 0 |
| 1988 | 20 | 0 |
| 1989 | 14 | 0 |
| 1990 | 12 | 0 |
| 1991 | 27 | 0 |
| 1992 | 24 | 0 |
| 1993 | 29 | 0 |
| 1994 | 32 | 0 |
| 1995 | 26 | 0 |
| 1996 | 25 | 0 |
| 1997 | 22 | 0 |
| 1998 | 34 | 0 |
| 1999 | 38 | 0 |
| 2000 | 49 | 0 |
| 2001 | 71 | 8 |
| 2002 | 53 | 44 |
| 2003 | 47 | 68 |
| 2004 | 58 | 62 |
| 2005 | 48 | 57 |
| 2006 | 40 | 77 |
| 2007 | 59 | 88 |
| 2008 | 55 | 73 |
| 2009 | 55 | 107 |
| 2010 | 43 | 90 |
| 2011 | 71 | 76 |
| 2012 | 48 | 82 |
| 2013 | 83 | 143 |
| 2014 | 86 | 144 |
| 2015 | 100 | 174 |
| 2016 | 124 | 165 |
| 2017 | 154 | 166 |
| 2018 | 147 | 220 |
| 2019 | 207 | 214 |
| 2020 | 237 | 245 |
| 2021 | 242 | 247 |
| 2022 | 227 | 236 |
| 2023 | 197 | 191 |
| 2024 | 188 | 181 |
| 2025 | 195 | 172 |
| 2026 | 108 | 104 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 2211/63Electronic controllersIndexing code2,217
- F15B 2211/665Methods of control using electronic componentsIndexing code1,490
- F15B 2211/635Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elementsIndexing code642
- F15B 2211/605Load sensing circuitsIndexing code617
- F15B 2211/625AccumulatorsIndexing code374
- F15B 2211/61Secondary circuitsIndexing code333
- F15B 2211/62Cooling or heating meansIndexing code225
- F15B 2211/615Filtering meansIndexing code218
All 12 subgroupsShow fewer
- F15B 2211/67Methods for controlling pilot pressureIndexing code218
- F15B 2211/65Methods of control of the load sensing pressureIndexing code137
- F15B 2211/66Temperature control methodsIndexing code68
- F15B 2211/655Methods of contamination control, i.e. methods of control of the cleanliness ofIndexing code25
Recent patents
- Control method based on a four-chamber hydraulic cylinder6 Oct 2026US 12,753,780 B2Taiyuan University of Technology
- Fluid control assembly and system29 Sep 2026US 12,747,802 B2Precision Planting LLC
- Hybrid electro-hydraulic load sensing system and control method thereof15 Sep 2026US 12,736,067 B2Chongqing University
- Hydraulic system for work machine, and work machine15 Sep 2026US RE51,031 E1Kubota Corporation
- Work machine accessory motor load protection8 Sep 2026US 12,729,699 B2Caterpillar Inc.
- Hydraulic system for a refuse vehicle1 Oct 2026US 2026/0296342 A1Oshkosh Corporation
- Pneumatic control device, process valve assembly and process24 Sep 2026US 2026/0286984 A1Festo AG & Co.
- Pneumatic automation device, maintenance assembly, pneumatic system, and method17 Sep 2026US 2026/0276012 A1Festo AG & Co.
- Route planning based control of a refuse vehicle hydraulic system3 Sep 2026US 2026/0257638 A1Oshkosh Corporation
- Fluid pressure circuit3 Sep 2026US 2026/0258821 A1Eagle Industry Co., Ltd.
Most cited
By later US patents
- Pneumatically operated mechanism1,103US 6,050,172 AEmhart Glass S. A. · 2000
- Hydraulic circuit for automatic transmission1,004US 9,488,197 B2Hyundai Motor Company · 2016
- 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
- Dynamic activation of pumps of a fluid power system166US 10,040,541 B2The Boeing Company · 2018