F04B 53/10
Valves
Official title: Valves; Arrangement of valves
F04B53/10 (Valves) appears on 2,419 US grants and 2,343 published applications in this corpus.
Search patents in F04B- Granted patents
- 2,419
- Published applications
- 2,343
- Assignees
- 1,224
- Inventors
- 4,288
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 28 | 0 |
| 1978 | 29 | 0 |
| 1979 | 15 | 0 |
| 1980 | 19 | 0 |
| 1981 | 15 | 0 |
| 1982 | 6 | 0 |
| 1983 | 11 | 0 |
| 1984 | 20 | 0 |
| 1985 | 17 | 0 |
| 1986 | 22 | 0 |
| 1987 | 22 | 0 |
| 1988 | 17 | 0 |
| 1989 | 23 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 26 | 0 |
| 1993 | 33 | 0 |
| 1994 | 34 | 0 |
| 1995 | 26 | 0 |
| 1996 | 32 | 0 |
| 1997 | 38 | 0 |
| 1998 | 28 | 0 |
| 1999 | 36 | 0 |
| 2000 | 33 | 0 |
| 2001 | 36 | 3 |
| 2002 | 31 | 31 |
| 2003 | 33 | 24 |
| 2004 | 17 | 40 |
| 2005 | 16 | 35 |
| 2006 | 24 | 45 |
| 2007 | 29 | 34 |
| 2008 | 13 | 38 |
| 2009 | 19 | 41 |
| 2010 | 24 | 49 |
| 2011 | 21 | 51 |
| 2012 | 33 | 47 |
| 2013 | 44 | 82 |
| 2014 | 45 | 91 |
| 2015 | 62 | 130 |
| 2016 | 68 | 194 |
| 2017 | 98 | 212 |
| 2018 | 136 | 200 |
| 2019 | 197 | 169 |
| 2020 | 171 | 164 |
| 2021 | 144 | 150 |
| 2022 | 136 | 118 |
| 2023 | 119 | 99 |
| 2024 | 109 | 115 |
| 2025 | 107 | 99 |
| 2026 | 90 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04B 53/12Arranged in or on pistons524
- F04B 53/102Disc valves434
- F04B 53/1037Flap valves326
- F04B 53/1002Ball valves290
- F04B 53/1087Valve seats240
- F04B 53/109Inlet and outlet valve forming one unit148
- F04B 53/108Valves characterised by the material144
- F04B 53/1077Flow resistance valves51
All 13 subgroupsShow fewer
- F04B 53/1085Having means for limiting the opening height42
- F04B 53/1075The valve being a flexible annular ring38
- F04B 53/1072The valve being an elastic body, the length thereof changing in the28
- F04B 53/1097With means for lifting the closure member for pump cleaning purposes24
- F04B 53/1095Valves linked to another valve of another pumping chamber8
Recent patents
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- Dart and clutch assembly15 Sep 2026US 12,735,962 B2Epic Lift Systems
- Split-architecture high-pressure gas compressor system and method8 Oct 2026US 2026/0309138 A1Arctic Compressor, LLC
- A flap valve magnetorheological micropump8 Oct 2026US 2026/0309144 A1Georgia Southern University Research and Service Foundation, Inc.
- Active checked multiple displacer assembly1 Oct 2026US 2026/0298217 A1Graco Minnesota Inc.
- Fluid ends and valve assemblies for high power pumps and related systems and methods1 Oct 2026US 2026/0298223 A1Vulcan Industrial Holdings, LLC
- Through-Hardened Valve Seat for Hydraulic Fracturing1 Oct 2026US 2026/0298349 A1Apex Industrial LLC
Most cited
By later US patents
- Two-valve thin plate micropump365US 5,171,132 ASeiko Epson Corporation · 1992
- Membrane pump with stretchable pump membrane348US 6,948,918 B2Novo Nordisk A/S · 2005
- Two valve micropump with improved outlet343US 5,224,843 AWestonbridge International Limited · 1993
- Micropump316US 5,759,014 AWestonbridge International Limited · 1998
- Micropumps with fixed valves247US 5,876,187 AUniversity of Washington · 1999