Y10T 137/7904
Reciprocating valves
Y10T137/7904 (Reciprocating valves) appears on 2,517 US grants and 1,360 published applications in this corpus.
Search patents in Y10T- Granted patents
- 2,517
- Published applications
- 1,360
- Assignees
- 1,371
- Inventors
- 3,978
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 39 | 0 |
| 1977 | 38 | 0 |
| 1978 | 47 | 0 |
| 1979 | 39 | 0 |
| 1980 | 40 | 0 |
| 1981 | 63 | 0 |
| 1982 | 52 | 0 |
| 1983 | 50 | 0 |
| 1984 | 61 | 0 |
| 1985 | 55 | 0 |
| 1986 | 42 | 0 |
| 1987 | 70 | 0 |
| 1988 | 55 | 0 |
| 1989 | 66 | 0 |
| 1990 | 52 | 0 |
| 1991 | 44 | 0 |
| 1992 | 48 | 0 |
| 1993 | 58 | 0 |
| 1994 | 51 | 0 |
| 1995 | 31 | 0 |
| 1996 | 43 | 0 |
| 1997 | 49 | 0 |
| 1998 | 67 | 0 |
| 1999 | 59 | 0 |
| 2000 | 59 | 0 |
| 2001 | 46 | 16 |
| 2002 | 52 | 57 |
| 2003 | 67 | 84 |
| 2004 | 50 | 80 |
| 2005 | 68 | 88 |
| 2006 | 63 | 94 |
| 2007 | 61 | 51 |
| 2008 | 53 | 94 |
| 2009 | 35 | 93 |
| 2010 | 53 | 100 |
| 2011 | 56 | 86 |
| 2012 | 73 | 88 |
| 2013 | 100 | 83 |
| 2014 | 107 | 97 |
| 2015 | 75 | 93 |
| 2016 | 62 | 24 |
| 2017 | 49 | 25 |
| 2018 | 36 | 11 |
| 2019 | 29 | 17 |
| 2020 | 17 | 13 |
| 2021 | 15 | 11 |
| 2022 | 17 | 17 |
| 2023 | 20 | 16 |
| 2024 | 19 | 8 |
| 2025 | 10 | 6 |
| 2026 | 6 | 8 |
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
- Fluid end12 May 2026US 12,624,684 B2Kerr Machine Co.
- Hydraulic fluid release valve assemblies21 Apr 2026US 12,607,271 B2Roadtek Enterprises Inc.
- Valve component24 Mar 2026US 12,584,479 B2Gd Energy Products, LLC
- Fluid end17 Sep 2026US 2026/0275971 A1Kerr Machine Co.
- Suction retainer for a check valve9 Jul 2026US 2026/0194153 A1Halliburton Energy Services.Inc.
- 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
- Air admittance valve assembly21 May 2026US 2026/0139750 A1
Most cited
By later US patents
- Flow limiting throttle element475US 5,411,055 AMannesmann Aktiengesellschaft · 1995
- Low head to stem ratio poppet valve425US 9,309,978 B2Dresser-Rand Company · 2016
- Aspirating/ventilating apparatus and method226US 4,569,344 ABallard Medical Products · 1986
- Magnetically-adjustable cerebrospinal fluid shunt valve219US 4,595,390 A1986
- Over pressure relief system for fluid ends217US 10,082,137 B2Caterpillar Inc. · 2018