B62D 5/087
Sliding spool valves
B62D5/087 (Sliding spool valves) appears on 77 US grants and 27 published applications in this corpus.
Search patents in B62D- Granted patents
- 77
- Published applications
- 27
- Assignees
- 45
- Inventors
- 121
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 3 |
| 2019 | 2 | 4 |
| 2020 | 3 | 1 |
| 2021 | 1 | 4 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic steering arrangement26 May 2026US 12,637,139 B2Danfoss Power Solutions ApS
- Fluid controller, in particular as part of a hydraulic steering unit18 Jun 2024US 12,012,160 B2Danfoss Power Solutions ApS
- Fluid controller, in particular as part of a hydraulic steering unit23 Jan 2024US 11,878,748 B2Danfoss Power Solutions ApS
- Hydraulic steering unit11 Apr 2023US 11,623,684 B2Danfoss Power Solutions ApS
- Dynamic load damping apparatus28 Feb 2023US 11,592,072 B2The Boeing Company
- Hydraulic steering arrangement3 Oct 2024US 2024/0326903 A1
- Hydraulic steering arrangement1 Feb 2024US 2024/0034396 A1Danfoss Power Solutions ApS
- Air injection machine with pneumatic power steering5 May 2022US 2022/0135123 A1Foley Company, LLC
- Dynamic load damping apparatus9 Dec 2021US 2021/0381573 A1The Boeing Company
- Fluid controller, in particular as part of a hydraulic steering unit16 Sep 2021US 2021/0284227 A1Danfoss Power Solutions ApS
Most cited
By later US patents
- Steering apparatus with variable steering angle ratio for pitman arm steering mechanism32US 5,267,625 AHonda Giken Kogyo Kabushiki Kaisha · 1993
- Layout structure of power steering system for vehicle32US 7,077,233 B2Honda Motor Co., Ltd. · 2006
- Power steering system and control valve31US 5,725,023 ALectron Products, Inc. · 1998
- Hydraulic pressure control valve16US 5,058,626 AHonda Giken Kogyo Kabushiki Kaisha · 1991
- Automated re-centering of steering system15US 9,380,737 B2Deere & Company · 2016