Y10T 137/7837
Direct response valves [i.e., check valve type]
Y10T137/7837 (Direct response valves [i.e., check valve type]) appears on 7,319 US grants and 3,678 published applications in this corpus.
Search patents in Y10T- Granted patents
- 7,319
- Published applications
- 3,678
- Assignees
- 3,197
- Inventors
- 10,697
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 153 | 0 |
| 1977 | 144 | 0 |
| 1978 | 141 | 0 |
| 1979 | 108 | 0 |
| 1980 | 137 | 0 |
| 1981 | 161 | 0 |
| 1982 | 128 | 0 |
| 1983 | 119 | 0 |
| 1984 | 139 | 0 |
| 1985 | 156 | 0 |
| 1986 | 148 | 0 |
| 1987 | 185 | 0 |
| 1988 | 144 | 0 |
| 1989 | 204 | 0 |
| 1990 | 176 | 0 |
| 1991 | 147 | 0 |
| 1992 | 181 | 0 |
| 1993 | 197 | 0 |
| 1994 | 183 | 0 |
| 1995 | 143 | 0 |
| 1996 | 134 | 0 |
| 1997 | 145 | 0 |
| 1998 | 187 | 0 |
| 1999 | 163 | 0 |
| 2000 | 175 | 0 |
| 2001 | 165 | 53 |
| 2002 | 144 | 154 |
| 2003 | 161 | 199 |
| 2004 | 154 | 204 |
| 2005 | 156 | 218 |
| 2006 | 153 | 219 |
| 2007 | 138 | 160 |
| 2008 | 131 | 256 |
| 2009 | 118 | 254 |
| 2010 | 155 | 279 |
| 2011 | 165 | 259 |
| 2012 | 232 | 284 |
| 2013 | 278 | 235 |
| 2014 | 311 | 229 |
| 2015 | 194 | 214 |
| 2016 | 172 | 95 |
| 2017 | 127 | 64 |
| 2018 | 106 | 45 |
| 2019 | 93 | 48 |
| 2020 | 41 | 39 |
| 2021 | 45 | 46 |
| 2022 | 60 | 37 |
| 2023 | 43 | 37 |
| 2024 | 42 | 21 |
| 2025 | 24 | 12 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- Y10T 137/7904Reciprocating valves2,517
- Y10T 137/7879Resilient material valve1,811
- Y10T 137/7838Plural1,450
- Y10T 137/7898Pivoted valves762
- Y10T 137/7869Biased open545
- Y10T 137/7847With leak passage413
- Y10T 137/785With retarder or dashpot369
- Y10T 137/7854In couplings for coaxial conduits314
All 14 subgroupsShow fewer
Recent patents
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- Unibody bypass plunger and valve cage24 Sep 2026US 2026/0286816 A1Flowco MasterCo LLC
- Air valve and filled product containing the same24 Sep 2026US 2026/0287076 A1Broad Design Co., Ltd.
- Fluid end17 Sep 2026US 2026/0275971 A1Kerr Machine Co.
- Fluid end of reciprocating pump23 Jul 2026US 2026/0210352 A1Gd Energy Products, LLC
- Suction retainer for a check valve9 Jul 2026US 2026/0194153 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Valve prothesis for implantation in the body and a catheter for implanting such valve prothesis2,468US 5,411,552 A1995
- Artificial heart valve for implantation in a blood vessel1,767US 4,994,077 A1991
- Valued device for controlling vacuum in surgery1,387US 4,184,510 AFibra-Sonics, Inc. · 1980
- Implantable prosthetic valve1,284US 6,440,164 B1SciMed Life Systems, Inc. · 2002
- Unitized three leaflet heart valve1,255US 4,222,126 AThe United States of America as represented by the Secretary of the Department of Health, Education and Welfare · 1980