Y10T 137/7922
Spring biased
Y10T137/7922 (Spring biased) appears on 1,682 US grants and 927 published applications in this corpus.
Search patents in Y10T- Granted patents
- 1,682
- Published applications
- 927
- Assignees
- 956
- Inventors
- 2,754
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 22 | 0 |
| 1978 | 30 | 0 |
| 1979 | 31 | 0 |
| 1980 | 26 | 0 |
| 1981 | 39 | 0 |
| 1982 | 35 | 0 |
| 1983 | 34 | 0 |
| 1984 | 45 | 0 |
| 1985 | 36 | 0 |
| 1986 | 22 | 0 |
| 1987 | 45 | 0 |
| 1988 | 41 | 0 |
| 1989 | 42 | 0 |
| 1990 | 38 | 0 |
| 1991 | 26 | 0 |
| 1992 | 32 | 0 |
| 1993 | 40 | 0 |
| 1994 | 35 | 0 |
| 1995 | 22 | 0 |
| 1996 | 30 | 0 |
| 1997 | 29 | 0 |
| 1998 | 37 | 0 |
| 1999 | 42 | 0 |
| 2000 | 39 | 0 |
| 2001 | 32 | 11 |
| 2002 | 31 | 42 |
| 2003 | 48 | 59 |
| 2004 | 32 | 58 |
| 2005 | 51 | 62 |
| 2006 | 42 | 69 |
| 2007 | 46 | 40 |
| 2008 | 39 | 55 |
| 2009 | 23 | 63 |
| 2010 | 38 | 60 |
| 2011 | 37 | 62 |
| 2012 | 42 | 52 |
| 2013 | 63 | 59 |
| 2014 | 72 | 63 |
| 2015 | 46 | 60 |
| 2016 | 48 | 17 |
| 2017 | 35 | 16 |
| 2018 | 25 | 8 |
| 2019 | 18 | 14 |
| 2020 | 12 | 11 |
| 2021 | 9 | 9 |
| 2022 | 14 | 11 |
| 2023 | 16 | 11 |
| 2024 | 13 | 7 |
| 2025 | 8 | 4 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electromagnetically actuated pressure relief valve for fracturing systems9 Jun 2026US 12,650,179 B2
- Pressure relief valve with dual-function spring26 May 2026US 12,638,092 B2Phinia Jersey Holdings LLC
- Hydraulic fluid release valve assemblies21 Apr 2026US 12,607,271 B2Roadtek Enterprises Inc.
- Valve component24 Mar 2026US 12,584,479 B2Gd Energy Products, LLC
- Systems and methods for piston check valves24 Feb 2026US 12,560,252 B2SCV Valve, LLC
- Systems and methods for piston check valves18 Jun 2026US 2026/0168584 A1SCV Valve, LLC
- Spring controlling valve28 May 2026US 2026/0146601 A1Vulcan Industrial Holdings, LLC
- Pressure relief valve with dual-function spring9 Apr 2026US 2026/0098590 A1Phinia Jersey Holdings LLC
- Check valve19 Mar 2026US 2026/0078831 A1Swagelok Company
- Orifice check valve25 Dec 2025US 2025/0389338 A1
Most cited
By later US patents
- Low head to stem ratio poppet valve425US 9,309,978 B2Dresser-Rand Company · 2016
- Over pressure relief system for fluid ends217US 10,082,137 B2Caterpillar Inc. · 2018
- Pressure responsive valve catheter174US 5,267,979 AE-Z-EM, Inc. · 1993
- Valve having opposed curved sealing surfaces on a valve member and a valve seat to facilitate effective sealing160US 10,094,366 B2National Oilwell Varco, L. P. · 2018
- Valve guide and spring retainer assemblies160US 6,910,871 B12005