F16H 48/26
Using fluid action
Official title: using fluid action, e.g. viscous clutches
F16H48/26 (Using fluid action) appears on 76 US grants and 38 published applications in this corpus.
Search patents in F16H- Granted patents
- 76
- Published applications
- 38
- Assignees
- 51
- Inventors
- 122
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 4 |
| 2003 | 6 | 2 |
| 2004 | 2 | 3 |
| 2005 | 1 | 4 |
| 2006 | 3 | 4 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 3 | 0 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Differential device15 Sep 2026US 12,736,119 B2GKN Automotive AG
- Gearbox and starter arrangement16 Dec 2025US 12,498,033 B2Koenigsegg Automotive AB
- Power transmission device4 Mar 2025US 12,241,535 B2Toyota Jidosha Kabushiki Kaisha
- Limited slip differential and controlling method therefor4 Jun 2024US 12,000,468 B2Hyundai Wia Corporation
- Transmission, drive train and vehicle having a transmission14 Nov 2023US 11,815,169 B2ZF Friedrichshafen AG
- Drive assembly8 Oct 2026US 2026/0309216 A1
- Clutch18 Dec 2025US 2025/0383014 A1Meritor Heavy Vehicle Systems Cameri SpA
- Differential device13 Mar 2025US 2025/0084917 A1GKN Automotive AG
- Gearbox and starter arrangement28 Nov 2024US 2024/0392872 A1Koenigsegg Automotive AB
- Power transmission device11 Jan 2024US 2024/0011548 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Coupling apparatus for full time four wheel drive87US 4,031,780 AChrysler Corporation · 1977
- Differential apparatus with speed and torque sensitive differential limiting forces70US 5,458,547 ATochigifujisangyo Kabushiki Kaisha · 1995
- Control couplings64US 4,058,027 AGKN Transmissions Limited · 1977
- Differential apparatus51US 5,366,421 ATochigi Fuji Sangyo Kabushiki Kaisha · 1994
- Coupling apparatus with double clutches45US 5,083,986 ATochigifujisangyo Kabushiki Kaisha · 1992