F16D 2125/02
Fluid-pressure mechanisms
F16D2125/02 (Fluid-pressure mechanisms) appears on 644 US grants and 590 published applications in this corpus.
Search patents in F16D- Granted patents
- 644
- Published applications
- 590
- Assignees
- 307
- Inventors
- 1,369
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 15 | 3 |
| 2002 | 27 | 16 |
| 2003 | 11 | 9 |
| 2004 | 7 | 17 |
| 2005 | 8 | 14 |
| 2006 | 8 | 8 |
| 2007 | 6 | 12 |
| 2008 | 4 | 16 |
| 2009 | 8 | 16 |
| 2010 | 2 | 27 |
| 2011 | 12 | 16 |
| 2012 | 15 | 6 |
| 2013 | 15 | 24 |
| 2014 | 15 | 14 |
| 2015 | 17 | 14 |
| 2016 | 18 | 19 |
| 2017 | 21 | 26 |
| 2018 | 23 | 38 |
| 2019 | 31 | 39 |
| 2020 | 34 | 46 |
| 2021 | 38 | 39 |
| 2022 | 25 | 44 |
| 2023 | 25 | 37 |
| 2024 | 29 | 35 |
| 2025 | 25 | 36 |
| 2026 | 23 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16D 2125/06PistonsIndexing code335
- F16D 2125/10Plural pistons interacting by fluid pressureIndexing code85
- F16D 2125/08SealsIndexing code75
- F16D 2125/04CylindersIndexing code71
- F16D 2125/16Devices for bleeding or fillingIndexing code57
- F16D 2125/14Fluid-filled flexible membersIndexing code49
- F16D 2125/12Membrane or diaphragm typesIndexing code32
- F16D 2125/023PumpsIndexing code22
All 9 subgroupsShow fewer
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Most cited
By later US patents
- Brake bleeding tool102US 5,816,281 A1998
- Hydraulic shape memory material stress to hydraulic pressure transducer99US 5,079,920 A1992
- Brake actuating apparatus for a vehicle98US 5,348,123 AAkebono Brake Industry Co., Ltd. · 1994
- Process and apparatus for the control of a brake unit for automotive vehicles70US 4,658,939 AAlfred Teves GmbH · 1987
- Bicycle disc brake70US 5,632,362 ARockshox, Inc. · 1997