F04B 39/00
Component parts, details, or accessories, of pumps or pumping systems specially adapted
Official title: Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
F04B39/00 (Component parts, details, or accessories, of pumps or pumping systems specially adapted) appears on 5,272 US grants and 5,478 published applications in this corpus.
Search patents in F04B- Granted patents
- 5,272
- Published applications
- 5,478
- Assignees
- 1,747
- Inventors
- 9,087
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 37 | 0 |
| 1978 | 36 | 0 |
| 1979 | 23 | 0 |
| 1980 | 34 | 0 |
| 1981 | 24 | 0 |
| 1982 | 28 | 0 |
| 1983 | 41 | 0 |
| 1984 | 34 | 0 |
| 1985 | 50 | 0 |
| 1986 | 35 | 0 |
| 1987 | 35 | 0 |
| 1988 | 54 | 0 |
| 1989 | 54 | 0 |
| 1990 | 46 | 0 |
| 1991 | 51 | 0 |
| 1992 | 62 | 0 |
| 1993 | 77 | 0 |
| 1994 | 52 | 0 |
| 1995 | 52 | 0 |
| 1996 | 68 | 0 |
| 1997 | 65 | 0 |
| 1998 | 82 | 0 |
| 1999 | 88 | 0 |
| 2000 | 112 | 0 |
| 2001 | 124 | 36 |
| 2002 | 112 | 107 |
| 2003 | 123 | 122 |
| 2004 | 81 | 164 |
| 2005 | 67 | 168 |
| 2006 | 67 | 147 |
| 2007 | 66 | 121 |
| 2008 | 53 | 143 |
| 2009 | 47 | 160 |
| 2010 | 56 | 191 |
| 2011 | 80 | 160 |
| 2012 | 110 | 162 |
| 2013 | 94 | 232 |
| 2014 | 157 | 244 |
| 2015 | 130 | 293 |
| 2016 | 186 | 265 |
| 2017 | 211 | 299 |
| 2018 | 237 | 335 |
| 2019 | 279 | 340 |
| 2020 | 304 | 308 |
| 2021 | 259 | 318 |
| 2022 | 269 | 274 |
| 2023 | 231 | 237 |
| 2024 | 245 | 222 |
| 2025 | 250 | 243 |
| 2026 | 152 | 187 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04B 39/12Casings1,822
- F04B 39/0027Pulsation and noise damping means1,027
- F04B 39/10Adaptations or arrangements of distribution members1,021
- F04B 39/0005Adaptations of pistons794
- F04B 39/02Lubrication733
- F04B 39/06Cooling708
- F04B 39/16Filtration385
- F04B 39/14Provisions for readily assembling or disassembling379
Recent patents
- Liquid cooled plunger system6 Oct 2026US 12,753,754 B2Kerr Machine Co.
- Inflating module for use with an inflatable object6 Oct 2026US RE51,054 E1Team Worldwide Corporation
- Air compressor29 Sep 2026US 12,747,730 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Pressure relief system for a portable air pump and inflator system22 Sep 2026US 12,742,444 B2The Noco Company
- Greenhouse gas reduction with externally pressurized gas seal and gas lubrication for a reciprocating compressor22 Sep 2026US 12,742,445 B2
- Reciprocating compressor8 Oct 2026US 2026/0309141 A1LG Electronics Inc.
- Junction box and compressor1 Oct 2026US 2026/0302744 A1Nanchang Highly Electrical Appliances Co., Ltd.
- Portable Air Pump and Inflator System with a Vibration Damping Base24 Sep 2026US 2026/0286946 A1The Noco Company
- Reed valve assembly for a radial piston compressor, radial piston compressor, and method for mounting a reed valve assembly on a radial piston compressor10 Sep 2026US 2026/0266275 A1thyssenkrupp AG
- Compressor10 Sep 2026US 2026/0266277 A1Sanden Corporation
Most cited
By later US patents
- Variable conductance gas distribution apparatus and method473US 9,657,845 B2ASM IP Holding B. V. · 2017
- Low head to stem ratio poppet valve425US 9,309,978 B2Dresser-Rand Company · 2016
- Link mechanism of surgical robot270US 6,827,351 B2Nuovo Pignone Holding S.p.A. · 2004
- Compressor unit and separator therefor245US 5,158,585 AHitachi, Ltd. · 1992
- Apparatus for cooling the power electronics of a refrigeration compressor drive189US 6,116,040 ACarrier Corporation · 2000