F04D 25/022
Comprising a yielding coupling
Official title: {comprising a yielding coupling, e.g. hydraulic (a magnetic coupling F04D25/026)}
F04D25/022 (Comprising a yielding coupling) appears on 84 US grants and 76 published applications in this corpus.
Search patents in F04D- Granted patents
- 84
- Published applications
- 76
- Assignees
- 64
- Inventors
- 180
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 2 |
| 2003 | 2 | 0 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 3 | 5 |
| 2011 | 1 | 3 |
| 2012 | 4 | 4 |
| 2013 | 4 | 6 |
| 2014 | 3 | 2 |
| 2015 | 5 | 8 |
| 2016 | 3 | 4 |
| 2017 | 4 | 9 |
| 2018 | 4 | 3 |
| 2019 | 2 | 3 |
| 2020 | 4 | 1 |
| 2021 | 2 | 4 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 3 | 3 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Cooling fan device17 Jun 2025US 12,330,476 B2Toyota Jidosha Kabushiki Kaisha
- Rotor assembly and fluid transmission device having the same11 Feb 2025US 12,221,968 B1Accton Technology Corporation
- Controller of fan coupling device25 Apr 2023US 11,635,085 B2Toyota Jidosha Kabushiki Kaisha
- Viscous coupling4 Apr 2023US 11,619,273 B1BorgWarner Inc.
- Detachable tower fan17 Sep 2026US 2026/0276004 A1
- Resilient dust cover for fan clutch assembly30 Jul 2026US 2026/0218760 A1Volvo Truck Corporation
- Ventilation device comprising retention means21 May 2026US 2026/0139679 A1Valeo Systemes Thermiques
- Fan wheel18 Sep 2025US 2025/0290519 A1Ie Assets GmbH & Co. KG
- Tapered adapter for rotatable assembly and associated method19 Jun 2025US 2025/0198465 A1Horton, Inc.
Most cited
By later US patents
- Fan with axial blades64US 6,382,915 B1Behr GmbH & Co. · 2002
- Centrifugal compressor having a flexible coupling47US 7,144,226 B2Thermodyn · 2006
- Electric fan clutch38US 6,129,193 AAmerican Cooling Systems, LLC · 2000
- Fan with fluid friction clutch35US 3,993,415 ASuddeutsche Kuhlerfabrik Julius Fr. Behr GmbH & Co. KG · 1976
- Fan for an incandescent light bulb fixture30US 5,421,701 A1995