F16D 35/027
Actuated by emptying and filling with viscous fluid from outside the coupling
Official title: {actuated by emptying and filling with viscous fluid from outside the coupling during operation}
F16D35/027 (Actuated by emptying and filling with viscous fluid from outside the coupling) appears on 12 US grants and 12 published applications in this corpus.
Search patents in F16D- Granted patents
- 12
- Published applications
- 12
- Assignees
- 11
- Inventors
- 24
- Latest grant
- 4 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 2 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 3 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Viscous coupling4 Apr 2023US 11,619,273 B1BorgWarner Inc.
- Pump and wiper assembly, associated viscous clutch and associated method13 Sep 2022US 11,441,621 B2Horton, Inc.
- Viscous clutch and method of operation9 Mar 2021US 10,941,819 B2Horton, Inc.
- Viscous clutch1 Sep 2020US 10,760,623 B2
- Cooling control system for working machine and the working machine2 Jun 2020US 10,669,920 B2Kubota Corporation
- Pump and wiper assembly, associated viscous clutch and associated method10 Mar 2022US 2022/0074453 A1Horton, Inc.
- Viscous clutch20 Jun 2019US 2019/0186556 A1Cooling System Co., Ltd
- Viscous clutch and associated electromagnetic coil13 Jun 2019US 2019/0178310 A1Horton, Inc.
- Viscous Clutch and Method of Operation11 Apr 2019US 2019/0107158 A1Horton, Inc.
- Cooling control system for working machine and the working machine27 Dec 2018US 2018/0371980 A1Kubota Corporation
Most cited
By later US patents
- Fluid friction clutch7US 4,610,341 ASueddeutsche Kuehlerfabrik Julius Fr. Behr GmbH & Co. KG · 1986
- Fluid clutch5US 5,799,765 AUsui Kokusai Sangyo Kaisha Limited · 1998
- Thermostatically controlled hydraulic fan clutch3US 5,134,975 ATewig GmbH Technische Entwicklungs-Gesellschaft · 1992
- Multi-speed viscous clutch3US 9,506,507 B2Horton, Inc. · 2016
- Cooling control system for working machine and the working machine1US 10,669,920 B2Kubota Corporation · 2020