F15B 2211/505
Characterised by the type of pressure control means
Official title: characterised by the type of pressure control means
F15B2211/505 (Characterised by the type of pressure control means) appears on 1,609 US grants and 1,285 published applications in this corpus.
Search patents in F15B- Granted patents
- 1,609
- Published applications
- 1,285
- Assignees
- 654
- Inventors
- 2,718
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 37 | 0 |
| 1977 | 26 | 0 |
| 1978 | 21 | 0 |
| 1979 | 18 | 0 |
| 1980 | 15 | 0 |
| 1981 | 18 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 14 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 12 | 0 |
| 1991 | 19 | 0 |
| 1992 | 17 | 0 |
| 1993 | 18 | 0 |
| 1994 | 17 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 13 | 0 |
| 1998 | 29 | 0 |
| 1999 | 30 | 0 |
| 2000 | 20 | 0 |
| 2001 | 53 | 5 |
| 2002 | 41 | 23 |
| 2003 | 28 | 49 |
| 2004 | 33 | 36 |
| 2005 | 40 | 39 |
| 2006 | 27 | 40 |
| 2007 | 23 | 42 |
| 2008 | 25 | 42 |
| 2009 | 33 | 32 |
| 2010 | 30 | 48 |
| 2011 | 30 | 35 |
| 2012 | 24 | 37 |
| 2013 | 40 | 47 |
| 2014 | 44 | 50 |
| 2015 | 37 | 68 |
| 2016 | 45 | 52 |
| 2017 | 47 | 50 |
| 2018 | 47 | 59 |
| 2019 | 67 | 71 |
| 2020 | 77 | 81 |
| 2021 | 88 | 70 |
| 2022 | 81 | 77 |
| 2023 | 60 | 57 |
| 2024 | 65 | 73 |
| 2025 | 61 | 70 |
| 2026 | 40 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 2211/50509The pressure control means controlling a pressure upstream of the pressure controlIndexing code1,139
- F15B 2211/50563The pressure control means controlling a differential pressureIndexing code365
- F15B 2211/50554The pressure control means controlling a pressure downstream of the pressure controlIndexing code300
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Most cited
By later US patents
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- Enhanced computer optimized adaptive suspension system and method172US 7,076,351 B2Great Northern Technologies, LLC · 2006
- Fluid power distribution and control system111US 10,161,423 B2Sauer-Danfoss ApS · 2018
- Hydraulic system providing down force on a work implement109US 6,460,623 B1Caterpillar Inc. · 2002