F16K 17/02
Opening on surplus pressure on one side
Official title: opening on surplus pressure on one side; closing on insufficient pressure on one side (check valves F16K15/00)
F16K17/02 (Opening on surplus pressure on one side) appears on 3,075 US grants and 2,504 published applications in this corpus.
Search patents in F16K- Granted patents
- 3,075
- Published applications
- 2,504
- Assignees
- 1,645
- Inventors
- 5,482
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 28 | 0 |
| 1978 | 48 | 0 |
| 1979 | 28 | 0 |
| 1980 | 47 | 0 |
| 1981 | 46 | 0 |
| 1982 | 31 | 0 |
| 1983 | 34 | 0 |
| 1984 | 51 | 0 |
| 1985 | 43 | 0 |
| 1986 | 36 | 0 |
| 1987 | 45 | 0 |
| 1988 | 51 | 0 |
| 1989 | 61 | 0 |
| 1990 | 40 | 0 |
| 1991 | 45 | 0 |
| 1992 | 30 | 0 |
| 1993 | 43 | 0 |
| 1994 | 42 | 0 |
| 1995 | 31 | 0 |
| 1996 | 38 | 0 |
| 1997 | 43 | 0 |
| 1998 | 42 | 0 |
| 1999 | 52 | 0 |
| 2000 | 44 | 0 |
| 2001 | 51 | 12 |
| 2002 | 34 | 34 |
| 2003 | 34 | 54 |
| 2004 | 43 | 62 |
| 2005 | 40 | 60 |
| 2006 | 46 | 57 |
| 2007 | 37 | 41 |
| 2008 | 23 | 52 |
| 2009 | 24 | 47 |
| 2010 | 21 | 69 |
| 2011 | 38 | 72 |
| 2012 | 45 | 68 |
| 2013 | 45 | 88 |
| 2014 | 65 | 114 |
| 2015 | 84 | 131 |
| 2016 | 130 | 137 |
| 2017 | 119 | 161 |
| 2018 | 105 | 152 |
| 2019 | 163 | 178 |
| 2020 | 170 | 185 |
| 2021 | 149 | 138 |
| 2022 | 133 | 117 |
| 2023 | 138 | 162 |
| 2024 | 134 | 127 |
| 2025 | 105 | 102 |
| 2026 | 71 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Battery pack including valve structure having valve member biased toward inner surface of pack case by biasing member29 Sep 2026US 12,749,762 B2Prime Planet Energy & Solutions, Inc.
- Valve seat assemblies for relief valves22 Sep 2026US 12,742,507 B2Emerson Automation Solutions Final Control US LP
- Crusher for mineral materials or recycled materials15 Sep 2026US 12,734,527 B2Kleemann GmbH
- Water flow regulation15 Sep 2026US 12,736,147 B2Active Energy Inc.
- Additively manufactured hydraulic valve components8 Sep 2026US 12,729,772 B2Caterpillar Inc.
- Dump valve arrangement8 Oct 2026US 2026/0308872 A1Weir Minerals Netherlands B.V.
- Protective enclosure for securing valves8 Oct 2026US 2026/0309245 A1Black Gold Vault Co.
- Overpressure safety valve8 Oct 2026US 2026/0309246 A1LESER GmbH & Co. KG
- Valve for an Electronic Component in Particular1 Oct 2026US 2026/0302511 A1Illinois Tool Works Inc.
- Malfunction prevention valve and nuclear equipment comprising same24 Sep 2026US 2026/0290634 A1Korea Atomic Energy Research Institute
Most cited
By later US patents
- Hot water disinfection of dialysis machines, including the extracorporeal circuit thereof490US 5,591,344 AAksys, Ltd. · 1997
- Hemodialysis machine with automatic priming by induced pressure pulses251US 5,863,421 AAksys, Ltd. · 1999
- Method of rinsing back blood to hemodialysis patient243US 5,690,831 AAksys, Ltd. · 1997
- Method and system for including robots into social networks220US 8,321,364 B1Google Inc. · 2012
- Over pressure relief system for fluid ends217US 10,082,137 B2Caterpillar Inc. · 2018