F16D 47/06
Systems of clutches, or clutches and couplings, comprising devices of types grouped
Official title: of which at least one is a clutch with a fluid or a semifluid as power-transmitting means
F16D47/06 (Systems of clutches, or clutches and couplings, comprising devices of types grouped) appears on 128 US grants and 48 published applications in this corpus.
Search patents in F16D- Granted patents
- 128
- Published applications
- 48
- Assignees
- 69
- Inventors
- 202
- Latest grant
- 7 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 7 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 5 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 2 | 4 |
| 2013 | 0 | 6 |
| 2014 | 3 | 7 |
| 2015 | 6 | 5 |
| 2016 | 8 | 0 |
| 2017 | 3 | 3 |
| 2018 | 0 | 3 |
| 2019 | 0 | 2 |
| 2020 | 6 | 2 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electric machine with fluid coupling7 Jun 2022US 11,353,097 B2Schaeffler Technologies AG & Co. KG
- Dynamic motion control system using magnetorheological fluid clutch apparatuses9 Nov 2021US 11,167,671 B2Exonetik Inq.
- Viscous coupling for a coolant pump27 Jul 2021US 11,073,182 B2Mahle International GmbH
- Two speed clutch with viscous system20 Oct 2020US 10,808,776 B2Kit Masters
- Hydraulic unit1 Sep 2020US 10,760,660 B2Liebherr-Components Biberach GmbH
- Electric machine with fluid coupling12 Aug 2021US 2021/0246974 A1
- Dynamic motion control system using magnetorheological fluid clutch apparatuses18 Jun 2020US 2020/0189345 A1Exonetik Inc.
- Viscous coupling for a coolant pump11 Jun 2020US 2020/0182309 A9Mahle International GmbH
- Power transmission apparatus1 Aug 2019US 2019/0234471 A1Toyota Jidosha Kabushiki Kaisha
- Viscous coupling for a coolant pump14 Feb 2019US 2019/0048945 A1Mahle International GmbH
Most cited
By later US patents
- Fluid drive transmission employing lockup clutch129US 4,526,255 AJ. I. Case Company · 1985
- Torque transmission device58US 4,457,411 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1984
- Torque transmission device for a four-wheel drive vehicle54US 4,905,808 AToyoda Koki Kabushiki Kaisha · 1990
- Automobile heating apparatus and heat generator for the same54US 4,993,377 AAisin Seiki Kabushiki Kaisha · 1991
- Multiple-clutch device45US 6,523,657 B1Mannesmann Sachs AG · 2003