Y10T 137/8671
With annular passage [e.g., spool]
Y10T137/8671 (With annular passage [e.g., spool]) appears on 585 US grants and 298 published applications in this corpus.
Search patents in Y10T- Granted patents
- 585
- Published applications
- 298
- Assignees
- 337
- Inventors
- 1,009
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 21 | 0 |
| 1978 | 19 | 0 |
| 1979 | 4 | 0 |
| 1980 | 17 | 0 |
| 1981 | 15 | 0 |
| 1982 | 16 | 0 |
| 1983 | 10 | 0 |
| 1984 | 7 | 0 |
| 1985 | 19 | 0 |
| 1986 | 11 | 0 |
| 1987 | 17 | 0 |
| 1988 | 8 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 14 | 0 |
| 1995 | 5 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 10 | 7 |
| 2002 | 16 | 6 |
| 2003 | 9 | 10 |
| 2004 | 12 | 17 |
| 2005 | 13 | 13 |
| 2006 | 12 | 18 |
| 2007 | 4 | 16 |
| 2008 | 13 | 13 |
| 2009 | 10 | 18 |
| 2010 | 14 | 25 |
| 2011 | 8 | 10 |
| 2012 | 22 | 29 |
| 2013 | 20 | 13 |
| 2014 | 20 | 15 |
| 2015 | 21 | 32 |
| 2016 | 22 | 13 |
| 2017 | 24 | 12 |
| 2018 | 9 | 12 |
| 2019 | 13 | 9 |
| 2020 | 14 | 5 |
| 2021 | 6 | 3 |
| 2022 | 5 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pedal modulating valve assembly including multiple gain states19 Aug 2025US 12,392,416 B2Zf Off-Highway Solutions Minnesota Inc.
- Spool valve7 Jan 2025US 12,188,573 B2Eagle Industry Co., Ltd.
- Stepper motor driven proportional rotary actuator3 Jan 2023US 11,543,044 B2Woodward, Inc.
- Relief valve cavity22 Nov 2022US 11,506,297 B2Caterpillar Inc.
- Valve device11 Oct 2022US 11,466,706 B2Kawasaki Jukogyo Kabushiki Kaisha
- Spool valve7 Dec 2023US 2023/0392697 A1Eagle Industry Co., Ltd.
- Relief valve cavity9 Jun 2022US 2022/0178454 A1Caterpillar Inc.
- Valve device5 Aug 2021US 2021/0239139 A1Kawasaki Jukogyo Kabushiki Kaisha
- Stepper motor driven proportional rotary actuator22 Jul 2021US 2021/0222789 A1Woodward, Inc.
- Pedal modulating valve assembly including multiple gain states3 Jun 2021US 2021/0164585 A1Mico Co., Ltd.
Most cited
By later US patents
- Valve with uniplanar flow93US 4,587,991 A1986
- Water softener control valve with removable seal stack69US 6,402,944 B1Clack Corporation · 2002
- Digital servo valve system67US 5,036,886 AOlson Controls, Inc. · 1991
- Hydraulic valve52US 5,222,521 AMoog Controls, Inc. · 1993
- Pneumatically shifted reciprocating pump50US 5,558,506 A1996