F04D 25/00
Pumping installations or systems
Official title: Pumping installations or systems (controlling F04D27/00)
F04D25/00 (Pumping installations or systems) appears on 8,424 US grants and 10,111 published applications in this corpus.
Search patents in F04D- Granted patents
- 8,424
- Published applications
- 10,111
- Assignees
- 2,588
- Inventors
- 15,528
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 15 | 0 |
| 1978 | 23 | 0 |
| 1979 | 9 | 0 |
| 1980 | 16 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 10 | 0 |
| 1984 | 21 | 0 |
| 1985 | 24 | 0 |
| 1986 | 11 | 0 |
| 1987 | 19 | 0 |
| 1988 | 29 | 0 |
| 1989 | 33 | 0 |
| 1990 | 38 | 0 |
| 1991 | 35 | 0 |
| 1992 | 40 | 0 |
| 1993 | 54 | 0 |
| 1994 | 47 | 0 |
| 1995 | 67 | 0 |
| 1996 | 54 | 0 |
| 1997 | 48 | 0 |
| 1998 | 57 | 0 |
| 1999 | 96 | 0 |
| 2000 | 129 | 0 |
| 2001 | 146 | 31 |
| 2002 | 158 | 123 |
| 2003 | 133 | 146 |
| 2004 | 130 | 201 |
| 2005 | 102 | 211 |
| 2006 | 130 | 229 |
| 2007 | 115 | 280 |
| 2008 | 116 | 294 |
| 2009 | 107 | 300 |
| 2010 | 143 | 284 |
| 2011 | 168 | 276 |
| 2012 | 229 | 355 |
| 2013 | 205 | 415 |
| 2014 | 252 | 408 |
| 2015 | 275 | 527 |
| 2016 | 256 | 552 |
| 2017 | 353 | 550 |
| 2018 | 439 | 593 |
| 2019 | 564 | 673 |
| 2020 | 542 | 551 |
| 2021 | 458 | 601 |
| 2022 | 554 | 546 |
| 2023 | 551 | 569 |
| 2024 | 560 | 508 |
| 2025 | 511 | 501 |
| 2026 | 301 | 387 |
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.
- Vacuum cleaner with two turbines, and operating method for same8 Oct 2026US 2026/0305892 A1Hilti Aktiengesellschaft
- Evaporator for ambient water bodies, and related system and method8 Oct 2026US 2026/0306964 A1Resource West, 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.
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
- Dual-pressure blower for positive air pressure device333US 6,349,724 B1Compumedics Sleep Pty Ltd · 2002
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Air control system for air bed275US 4,890,344 A1990