F15B 13/0401
Valve members
Official title: {Valve members; Fluid interconnections therefor}
F15B13/0401 (Valve members) appears on 1,584 US grants and 1,276 published applications in this corpus.
Search patents in F15B- Granted patents
- 1,584
- Published applications
- 1,276
- Assignees
- 720
- Inventors
- 2,777
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 7 | 0 |
| 1978 | 13 | 0 |
| 1979 | 6 | 0 |
| 1980 | 15 | 0 |
| 1981 | 15 | 0 |
| 1982 | 9 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 18 | 0 |
| 1986 | 18 | 0 |
| 1987 | 19 | 0 |
| 1988 | 18 | 0 |
| 1989 | 20 | 0 |
| 1990 | 14 | 0 |
| 1991 | 14 | 0 |
| 1992 | 11 | 0 |
| 1993 | 17 | 0 |
| 1994 | 14 | 0 |
| 1995 | 21 | 0 |
| 1996 | 21 | 0 |
| 1997 | 26 | 0 |
| 1998 | 26 | 0 |
| 1999 | 37 | 0 |
| 2000 | 38 | 0 |
| 2001 | 49 | 13 |
| 2002 | 43 | 22 |
| 2003 | 33 | 40 |
| 2004 | 30 | 36 |
| 2005 | 40 | 32 |
| 2006 | 24 | 21 |
| 2007 | 15 | 27 |
| 2008 | 11 | 32 |
| 2009 | 14 | 26 |
| 2010 | 14 | 27 |
| 2011 | 18 | 25 |
| 2012 | 23 | 38 |
| 2013 | 29 | 45 |
| 2014 | 31 | 26 |
| 2015 | 38 | 59 |
| 2016 | 38 | 69 |
| 2017 | 48 | 86 |
| 2018 | 66 | 91 |
| 2019 | 95 | 91 |
| 2020 | 90 | 97 |
| 2021 | 88 | 77 |
| 2022 | 86 | 54 |
| 2023 | 64 | 74 |
| 2024 | 67 | 67 |
| 2025 | 66 | 52 |
| 2026 | 35 | 49 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F15B 13/0402For linearly sliding valves891
- F15B 13/0405For seat valves, i.e. poppet valves354
- F15B 2013/0409Position sensing or feedback of the valve memberIndexing code134
- F15B 13/0406For rotary valves105
- F15B 2013/0412With three positionsIndexing code91
- F15B 2013/041With two positionsIndexing code77
- F15B 13/0407Means for damping the valve member movement57
- F15B 2013/0413With four or more positionsIndexing code34
All 9 subgroupsShow fewer
Recent patents
- Valve section and hydraulic valve assembly22 Sep 2026US 12,742,463 B2HAWE Hydraulik SE
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- Transfer valve with dual authority control porting15 Sep 2026US 12,736,068 B2Hamilton Sundstrand Corporation
- Multi-channel flow control system15 Sep 2026US 12,736,069 B2Industrial Technology Research Institute
- Speed control for hydraulic system of a refuse vehicle11 Aug 2026US 12,703,315 B2Oshkosh Corporation
- Hydraulic System8 Oct 2026US 2026/0309169 A1Caterpillar SARL
- Method for operating a hydraulic device8 Oct 2026US 2026/0309224 A1Schaeffler Technologies AG & Co. KG
- Hydraulic system for a refuse vehicle1 Oct 2026US 2026/0296342 A1Oshkosh Corporation
- Positive-feedback steady-state flow force structure for spool1 Oct 2026US 2026/0298268 A1Zhejiang University
- Null and maximum flow adjustable electrohydraulic servo vavle (ehsv)1 Oct 2026US 2026/0298356 A1Honeywell International Inc.
Most cited
By later US patents
- Magnetic position sensor for measuring linear displacement1,173US 6,670,806 B2Koninklijke Philips Electronics N. V. · 2003
- Microstructure gas valve control172US 5,176,358 AHoneywell Inc. · 1993
- Microstructure gas valve control171US 5,323,999 AHoneywell Inc. · 1994
- Microstructure gas valve control forming method168US 5,441,597 AHoneywell Inc. · 1995
- Digital positioner for remote actuation of a control valve103US 4,072,087 ACaterpillar Tractor Co. · 1978