F15B 13/0402
For linearly sliding valves
Official title: {for linearly sliding valves, e.g. spool valves}
F15B13/0402 (For linearly sliding valves) appears on 891 US grants and 654 published applications in this corpus.
Search patents in F15B- Granted patents
- 891
- Published applications
- 654
- Assignees
- 424
- Inventors
- 1,515
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 7 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 13 | 0 |
| 1981 | 9 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 13 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 12 | 0 |
| 1994 | 11 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 17 | 0 |
| 1998 | 20 | 0 |
| 1999 | 22 | 0 |
| 2000 | 22 | 0 |
| 2001 | 27 | 8 |
| 2002 | 24 | 15 |
| 2003 | 22 | 21 |
| 2004 | 16 | 23 |
| 2005 | 29 | 25 |
| 2006 | 17 | 11 |
| 2007 | 9 | 19 |
| 2008 | 7 | 28 |
| 2009 | 7 | 16 |
| 2010 | 12 | 20 |
| 2011 | 14 | 20 |
| 2012 | 12 | 17 |
| 2013 | 20 | 29 |
| 2014 | 21 | 11 |
| 2015 | 16 | 32 |
| 2016 | 16 | 18 |
| 2017 | 28 | 40 |
| 2018 | 27 | 41 |
| 2019 | 42 | 53 |
| 2020 | 43 | 44 |
| 2021 | 41 | 39 |
| 2022 | 52 | 25 |
| 2023 | 32 | 37 |
| 2024 | 34 | 25 |
| 2025 | 26 | 19 |
| 2026 | 18 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Valve section and hydraulic valve assembly22 Sep 2026US 12,742,463 B2HAWE Hydraulik SE
- Speed control for hydraulic system of a refuse vehicle11 Aug 2026US 12,703,315 B2Oshkosh Corporation
- Technologies for variable retarder control11 Aug 2026US 12,704,136 B2Allison Transmission, Inc.
- Fluid controller21 Jul 2026US 12,687,183 B2Kawasaki Jukogyo Kabushiki Kaisha
- Direct drive valve21 Jul 2026US 12,687,239 B2Microtecnica S.R.L.
- 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.
- Route planning based control of a refuse vehicle hydraulic system3 Sep 2026US 2026/0257638 A1Oshkosh Corporation
- Directional control valve3 Sep 2026US 2026/0258822 A1Kawasaki Jukogyo Kabushiki Kaisha
Most cited
By later US patents
- Digital positioner for remote actuation of a control valve103US 4,072,087 ACaterpillar Tractor Co. · 1978
- Valve with uniplanar flow93US 4,587,991 A1986
- Digital two, three, and four way solenoid control valves68US 5,640,987 A1997
- Digital servo valve system67US 5,036,886 AOlson Controls, Inc. · 1991
- Electrohydraulic device for actuating a control element64US 5,339,777 ACaterpillar Inc. · 1994