F04D 29/00
Details, component parts, or accessories
Official title: Details, component parts, or accessories (machine elements in general F16)
F04D29/00 (Details, component parts, or accessories) appears on 24,490 US grants and 25,493 published applications in this corpus.
Search patents in F04D- Granted patents
- 24,490
- Published applications
- 25,493
- Assignees
- 5,545
- Inventors
- 37,018
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 152 | 0 |
| 1977 | 125 | 0 |
| 1978 | 120 | 0 |
| 1979 | 99 | 0 |
| 1980 | 123 | 0 |
| 1981 | 93 | 0 |
| 1982 | 84 | 0 |
| 1983 | 101 | 0 |
| 1984 | 83 | 0 |
| 1985 | 103 | 0 |
| 1986 | 104 | 0 |
| 1987 | 144 | 0 |
| 1988 | 168 | 0 |
| 1989 | 214 | 0 |
| 1990 | 187 | 0 |
| 1991 | 178 | 0 |
| 1992 | 217 | 0 |
| 1993 | 236 | 0 |
| 1994 | 250 | 0 |
| 1995 | 217 | 0 |
| 1996 | 237 | 0 |
| 1997 | 214 | 0 |
| 1998 | 246 | 0 |
| 1999 | 264 | 0 |
| 2000 | 392 | 0 |
| 2001 | 410 | 91 |
| 2002 | 444 | 364 |
| 2003 | 447 | 475 |
| 2004 | 363 | 548 |
| 2005 | 321 | 675 |
| 2006 | 392 | 615 |
| 2007 | 337 | 673 |
| 2008 | 329 | 766 |
| 2009 | 321 | 729 |
| 2010 | 401 | 781 |
| 2011 | 457 | 745 |
| 2012 | 670 | 843 |
| 2013 | 565 | 1063 |
| 2014 | 656 | 1124 |
| 2015 | 720 | 1295 |
| 2016 | 763 | 1574 |
| 2017 | 1066 | 1641 |
| 2018 | 1188 | 1686 |
| 2019 | 1721 | 1554 |
| 2020 | 1657 | 1507 |
| 2021 | 1308 | 1322 |
| 2022 | 1387 | 1179 |
| 2023 | 1193 | 1181 |
| 2024 | 1257 | 1131 |
| 2025 | 1117 | 1045 |
| 2026 | 649 | 886 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F04D 29/40Casings9,762
- F04D 29/26Rotors specially for elastic fluids7,090
- F04D 29/60Mounting4,220
- F04D 29/66Combating cavitation, whirls, noise, vibration or the like3,824
- F04D 29/58Cooling3,150
- F04D 29/08Sealings2,750
- F04D 29/18Rotors2,340
- F04D 29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps2,043
All 15 subgroupsShow fewer
- F04D 29/04Shafts or bearings, or assemblies thereof1,929
- F04D 29/02Selection of particular materials1,756
- F04D 29/70Suction grids1,621
- F04D 29/06Lubrication685
- F04D 29/005Decorative aspects, i.e. features which have no effect on the functioning of226
- F04D 29/002Especially adapted for elastic fluid pumps65
- F04D 29/007Especially adapted for liquid pumps46
Recent patents
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- Motorized compressor device with air bearing having reduced axial and radial stack-up6 Oct 2026US 12,753,707 B2Garrett Transportation I Inc.
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, Inc.
- Performance of airfoils and hydrofoils8 Oct 2026US 2026/0307777 A1SJK Energy Solutions, LLC
- Variable bleed valve assemblies8 Oct 2026US 2026/0309077 A1General Electric Company
- Systems and methods of prediction and management of scaling on components8 Oct 2026US 2026/0309156 A1Schlumberger Technology Corporation
- Centrifugal air blower8 Oct 2026US 2026/0309159 A1Shinano Kenshi Co., Ltd.
Most cited
By later US patents
- Electronic device806US 9,313,915 B2ASUSTek · 2016
- Single-stage axial flow blood pump493US 4,846,152 ANimbus Medical, Inc. · 1989
- Self-deploying axial-flow pump introduced intravascularly for temporary cardiac support480US 6,533,716 B12003
- Cardiac assist pump with steady rate supply of fluid lubricant443US 4,927,407 ARegents of the University of Minnesota · 1990
- Helifoil pump441US 4,969,865 AAmerican BioMed, Inc. · 1990