F04D 25/06
The pump being electrically driven
Official title: the pump being electrically driven (F04D25/08 takes precedence)
F04D25/06 (The pump being electrically driven) appears on 4,185 US grants and 5,645 published applications in this corpus.
Search patents in F04D- Granted patents
- 4,185
- Published applications
- 5,645
- Assignees
- 1,443
- Inventors
- 8,616
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 12 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 16 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 15 | 0 |
| 1998 | 13 | 0 |
| 1999 | 27 | 0 |
| 2000 | 36 | 0 |
| 2001 | 47 | 9 |
| 2002 | 50 | 53 |
| 2003 | 45 | 55 |
| 2004 | 36 | 68 |
| 2005 | 26 | 92 |
| 2006 | 43 | 88 |
| 2007 | 42 | 152 |
| 2008 | 63 | 149 |
| 2009 | 50 | 163 |
| 2010 | 68 | 148 |
| 2011 | 89 | 148 |
| 2012 | 118 | 196 |
| 2013 | 92 | 221 |
| 2014 | 122 | 260 |
| 2015 | 157 | 303 |
| 2016 | 144 | 277 |
| 2017 | 175 | 299 |
| 2018 | 246 | 371 |
| 2019 | 315 | 416 |
| 2020 | 324 | 320 |
| 2021 | 261 | 333 |
| 2022 | 324 | 347 |
| 2023 | 297 | 339 |
| 2024 | 323 | 292 |
| 2025 | 322 | 318 |
| 2026 | 195 | 228 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pump device and method for carrying out a service in a pump device6 Oct 2026US 12,753,767 B2Herborner Pumpentechnik Gmbh & Co KG
- Fan6 Oct 2026US 12,753,768 B2Levitronix LLC
- Ceiling fan with a quick connect assembly6 Oct 2026US 12,753,775 B2Hunter Fan Company
- Integrated inflator/deflator air pump, mounting structure and inflatable product6 Oct 2026US 12,753,776 B2Jiangsu Guorun Electric Co., Ltd.
- Stator arrangement for a radial flux motor6 Oct 2026US 12,756,248 B2BorgWarner Inc.
- Variable speed pumping system and method8 Oct 2026US 2026/0309157 A1Pentair Water Pool and Spa, Inc.
- Fan motor8 Oct 2026US 2026/0309164 A1LG Electronics Inc.
- Household appliance having an improved fan and motor assembly and fan and motor assembly for same8 Oct 2026US 2026/0309165 A1Omachron Intellectual Property Inc.
- Engine cooling fan motor for vehicle8 Oct 2026US 2026/0312466 A1New Motech Co., Ltd.
- Variable speed pumping system and method1 Oct 2026US 2026/0298251 A1Pentair Water Pool and Spa, Inc.
Most cited
By later US patents
- Air flow-producing device, such as a vacuum cleaner or a blower1,158US 7,712,182 B2Milwaukee Electric Tool Corporation · 2010
- Compact low noise efficient blower for CPAP devices351US 7,866,944 B2ResMed Motor Technologies Inc. · 2011
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Systems and methods for regulating power in a medical device165US 7,369,757 B2Nellcor Puritan Bennett LLC · 2008
- Motor-driven fan, particularly for a motor vehicle heat exchanger163US 6,384,494 B1Gate S.R.L. · 2002