F28F 2250/08
Fluid driving means
Official title: Fluid driving means, e.g. pumps, fans
F28F2250/08 (Fluid driving means) appears on 425 US grants and 623 published applications in this corpus.
Search patents in F28F- Granted patents
- 425
- Published applications
- 623
- Assignees
- 335
- Inventors
- 1,112
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 2 |
| 2003 | 3 | 3 |
| 2004 | 1 | 9 |
| 2005 | 4 | 11 |
| 2006 | 6 | 11 |
| 2007 | 7 | 19 |
| 2008 | 7 | 18 |
| 2009 | 5 | 17 |
| 2010 | 8 | 28 |
| 2011 | 13 | 28 |
| 2012 | 3 | 20 |
| 2013 | 14 | 23 |
| 2014 | 14 | 26 |
| 2015 | 12 | 16 |
| 2016 | 14 | 31 |
| 2017 | 22 | 44 |
| 2018 | 36 | 52 |
| 2019 | 39 | 48 |
| 2020 | 36 | 53 |
| 2021 | 40 | 35 |
| 2022 | 32 | 41 |
| 2023 | 23 | 23 |
| 2024 | 30 | 19 |
| 2025 | 28 | 28 |
| 2026 | 7 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat transfer system4 Aug 2026US 12,698,940 B2Schlumberger Technology Corporation
- Water cooler assembly and system23 Jun 2026US 12,666,564 B2ARCTIC (HK) Ltd.
- Heat transfer using ionic pumps19 May 2026US 12,633,506 B2Ventiva, Inc.
- Immersed liquid cooling device12 May 2026US 12,628,311 B2
- Cooling systems, controllers and methods21 Apr 2026US 12,610,506 B2CoolIT Systems, Inc.
- Sheet membrane apparatus8 Oct 2026US 2026/0309425 A1Baltimore Aircoil Company, Inc.
- Heat supplier24 Sep 2026US 2026/0287186 A1LG Electronics Inc.
- Adiabatic cooler with control system for water and energy use reduction17 Sep 2026US 2026/0276273 A1Spx Cooling Tech, LLC
- Adiabatic cooler with control system for water and energy use reduction17 Sep 2026US 2026/0276274 A1Spx Cooling Tech, LLC
- Cooling systems, controllers and methods27 Aug 2026US 2026/0255553 A1CoolIT Systems, Inc.
Most cited
By later US patents
- Computing infrastructure672US 8,706,914 B22014
- Heat exchange apparatus227US 6,019,165 A2000
- Closed loop liquid cooling for semiconductor RF amplifier modules213US 5,901,037 ANorthrop Grumman Corporation · 1999
- Integrated cooling system180US 6,529,377 B1Microelectronic & Computer Technology Corporation · 2003
- Heat sink for electrical circuit components110US 5,316,077 AEaton Corporation · 1994