Y10T 137/7939
Head between spring and guide
Y10T137/7939 (Head between spring and guide) appears on 95 US grants and 35 published applications in this corpus.
Search patents in Y10T- Granted patents
- 95
- Published applications
- 35
- Assignees
- 66
- Inventors
- 141
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 2 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 5 | 6 |
| 2007 | 4 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 5 |
| 2013 | 2 | 0 |
| 2014 | 4 | 2 |
| 2015 | 2 | 1 |
| 2016 | 2 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve component24 Mar 2026US 12,584,479 B2Gd Energy Products, LLC
- Spring controlling valve22 Jul 2025US 12,366,244 B2Vulcan Industrial Holdings, LLC
- Valve component27 Feb 2024US 11,913,447 B1Gd Energy Products, LLC
- Spring controlling valve19 Sep 2023US 11,761,441 B1Vulcan Industrial Holdings, LLC
- Spring controlling valve6 Sep 2022US 11,434,900 B1Vulcan Industrial Holdings, LLC
- Spring controlling valve28 May 2026US 2026/0146601 A1Vulcan Industrial Holdings, LLC
- Valve component2 May 2024US 2024/0141887 A1Gd Energy Products, LLC
- Valve component29 Feb 2024US 2024/0068468 A1Gd Energy Products, LLC
- Spring controlling valve21 Dec 2023US 2023/0407864 A1Vulcan Industrial Holdings, LLC
- Pressure relief valve with singular body28 Jan 2016US 2016/0025233 A1Ausco, Inc.
Most cited
By later US patents
- Valve guide and spring retainer assemblies160US 6,910,871 B12005
- Plunger pump housing and access bore plug146US 7,186,097 B12007
- High pressure reciprocating pump and valve assembly therefor119US 4,768,933 A1988
- High pressure plunger pump housing and packing98US 6,623,259 B12003
- Suction and discharge valve arrangement for a high pressure piston pump82US 5,605,449 A1997