F16H 7/0834
Of the viscous friction type
Official title: {of the viscous friction type, e.g. viscous fluid}
F16H7/0834 (Of the viscous friction type) appears on 20 US grants and 24 published applications in this corpus.
Search patents in F16H- Granted patents
- 20
- Published applications
- 24
- Assignees
- 14
- Inventors
- 38
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 4 |
| 2020 | 0 | 3 |
| 2021 | 2 | 3 |
| 2022 | 3 | 1 |
| 2023 | 0 | 2 |
| 2024 | 4 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic tensioner19 Nov 2024US 12,146,571 B2BorgWarner Inc.
- Variable tune hydraulic tensioner29 Oct 2024US 12,129,925 B2BorgWarner Inc.
- Apparatus for eliminating slack and vibrations in the chain of a chain drive14 May 2024US 11,982,352 B2
- Controller for vehicle5 Mar 2024US 11,920,680 B2Toyota Jidosha Kabushiki Kaisha
- Variable force tensioner arm with cap disk spring1 Nov 2022US 11,486,473 B2BorgWarner Inc.
- Variable tune hydraulic tensioner11 Jul 2024US 2024/0229903 A9BorgWarner Inc.
- Variable tune hydraulic tensioner25 Apr 2024US 2024/0133451 A1BorgWarner Inc.
- Hydraulic tensioner21 Dec 2023US 2023/0407945 A1BorgWarner Inc.
- An apparatus for eliminating slack and vibrations in the chain of a chain drive17 Aug 2023US 2023/0258246 A1
- Controller for vehicle28 Apr 2022US 2022/0128130 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Mechanical friction tensioner22US 5,951,423 ABorg-Warner Automotive, Inc. · 1999
- Timing belt tensioner with stops controlled by frictional brake18US 7,507,172 B2Litens Automotive · 2009
- Automatic tensioning device11US 4,973,290 ASKF GmbH · 1990
- Slide rail for tightening a transmission10US 4,976,659 ASKF GmbH · 1990
- Tensioner7US 5,122,098 ATsubakimoto Chain Co. · 1992