F04B 53/00
Component parts, details or accessories not provided for in, or of interest
Official title: Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
F04B53/00 (Component parts, details or accessories not provided for in, or of interest) appears on 6,424 US grants and 6,829 published applications in this corpus.
Search patents in F04B- Granted patents
- 6,424
- Published applications
- 6,829
- Assignees
- 2,746
- Inventors
- 11,377
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 66 | 0 |
| 1977 | 66 | 0 |
| 1978 | 55 | 0 |
| 1979 | 37 | 0 |
| 1980 | 38 | 0 |
| 1981 | 32 | 0 |
| 1982 | 22 | 0 |
| 1983 | 30 | 0 |
| 1984 | 48 | 0 |
| 1985 | 44 | 0 |
| 1986 | 45 | 0 |
| 1987 | 33 | 0 |
| 1988 | 42 | 0 |
| 1989 | 43 | 0 |
| 1990 | 31 | 0 |
| 1991 | 38 | 0 |
| 1992 | 50 | 0 |
| 1993 | 49 | 0 |
| 1994 | 56 | 0 |
| 1995 | 44 | 0 |
| 1996 | 61 | 0 |
| 1997 | 77 | 0 |
| 1998 | 67 | 0 |
| 1999 | 78 | 0 |
| 2000 | 91 | 0 |
| 2001 | 105 | 16 |
| 2002 | 69 | 72 |
| 2003 | 82 | 67 |
| 2004 | 55 | 102 |
| 2005 | 48 | 112 |
| 2006 | 54 | 117 |
| 2007 | 68 | 100 |
| 2008 | 49 | 122 |
| 2009 | 47 | 130 |
| 2010 | 76 | 183 |
| 2011 | 77 | 173 |
| 2012 | 106 | 185 |
| 2013 | 134 | 227 |
| 2014 | 145 | 298 |
| 2015 | 171 | 334 |
| 2016 | 204 | 454 |
| 2017 | 273 | 472 |
| 2018 | 360 | 466 |
| 2019 | 430 | 402 |
| 2020 | 383 | 449 |
| 2021 | 368 | 480 |
| 2022 | 399 | 415 |
| 2023 | 406 | 401 |
| 2024 | 384 | 412 |
| 2025 | 397 | 361 |
| 2026 | 291 | 279 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04B 53/10Valves2,419
- F04B 53/16Casings2,190
- F04B 53/14Pistons, piston-rods or piston-rod connections1,526
- F04B 53/22Arrangements for enabling ready assembly or disassembly800
- F04B 53/08Cooling443
- F04B 53/18Lubricating354
- F04B 53/001Noise damping274
- F04B 53/06Venting249
All 15 subgroupsShow fewer
- F04B 53/20Filtering229
- F04B 53/007Cylinder heads193
- F04B 53/006Crankshafts179
- F04B 53/02Packing the free space between cylinders and pistons176
- F04B 53/04Draining111
- F04B 53/008Spacing or clearance between cylinder and piston84
- F04B 53/005Adaptations or arrangements of valves used as foot valves, of suction strainers12
Recent patents
- Rotating reciprocating piston pump with a barrel cam6 Oct 2026US 12,753,745 B2HTI Technology and Industries, Inc.
- Long stroke parallel pump6 Oct 2026US 12,753,746 B2National Oilwell Varco, L. P.
- Electric cylinder device6 Oct 2026US 12,753,747 B2Advics Co., Ltd.
- Fluid pump assembly6 Oct 2026US 12,753,748 B2
- Fluidic methods and devices6 Oct 2026US 12,753,749 B2Obotics Inc.
- Proportional volumetric dosing unit8 Oct 2026US 2026/0309135 A1Mixtron S.R.L.
- High pressure gas compresor environmental recovery system8 Oct 2026US 2026/0309137 A1Flowco MasterCo LLC
- 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.
- Weld cap and plug welds for fluid delivery systems8 Oct 2026US 2026/0309168 A1Compart Systems Pte. Ltd.
Most cited
By later US patents
- Pumping cartridge including a bypass valve and method for directing flow in a pumping cartridge543US 6,416,293 B1DEKA Products Limited Partnership · 2002
- User interface and monitoring functions for automated peritoneal dialysis systems430US 5,438,510 ADEKA Products Limited Partnership · 1995
- 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