F16H 45/02
Combinations of fluid gearings for conveying rotary motion with couplings or clutches
Official title: with mechanical clutches for bridging a fluid gearing of the hydrokinetic type (control of torque converter lock-up clutches F16H61/14)
F16H45/02 (Combinations of fluid gearings for conveying rotary motion with couplings or clutches) appears on 1,896 US grants and 1,500 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,896
- Published applications
- 1,500
- Assignees
- 202
- Inventors
- 2,014
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 9 | 0 |
| 1979 | 13 | 0 |
| 1980 | 9 | 0 |
| 1981 | 17 | 0 |
| 1982 | 9 | 0 |
| 1983 | 13 | 0 |
| 1984 | 25 | 0 |
| 1985 | 22 | 0 |
| 1986 | 20 | 0 |
| 1987 | 20 | 0 |
| 1988 | 15 | 0 |
| 1989 | 17 | 0 |
| 1990 | 25 | 0 |
| 1991 | 23 | 0 |
| 1992 | 18 | 0 |
| 1993 | 17 | 0 |
| 1994 | 22 | 0 |
| 1995 | 19 | 0 |
| 1996 | 18 | 0 |
| 1997 | 30 | 0 |
| 1998 | 47 | 0 |
| 1999 | 47 | 0 |
| 2000 | 53 | 0 |
| 2001 | 51 | 24 |
| 2002 | 37 | 25 |
| 2003 | 28 | 36 |
| 2004 | 38 | 43 |
| 2005 | 26 | 24 |
| 2006 | 30 | 30 |
| 2007 | 20 | 52 |
| 2008 | 13 | 54 |
| 2009 | 21 | 65 |
| 2010 | 35 | 32 |
| 2011 | 32 | 45 |
| 2012 | 49 | 63 |
| 2013 | 41 | 49 |
| 2014 | 60 | 66 |
| 2015 | 68 | 86 |
| 2016 | 65 | 101 |
| 2017 | 100 | 178 |
| 2018 | 131 | 124 |
| 2019 | 139 | 96 |
| 2020 | 92 | 99 |
| 2021 | 74 | 65 |
| 2022 | 71 | 72 |
| 2023 | 76 | 33 |
| 2024 | 36 | 22 |
| 2025 | 34 | 12 |
| 2026 | 10 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 2045/0273Characterised by the type of the friction surface of the lock-up clutchIndexing code1,285
- F16H 2045/0221With damping meansIndexing code941
- F16H 2045/0205Two chamber system, i.e. without a separated, closed chamber specially adapted forIndexing code329
- F16H 2045/021Three chamber system, i.e. comprising a separated, closed chamber specially adapted forIndexing code327
- F16H 2045/0215Details of oil circulationIndexing code170
Recent patents
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- Vehicle control apparatus21 Jul 2026US 12,687,144 B2Subaru Corporation
- Methods and apparatus for utilizing a fluid coupling for heating and energy dissipation in electric vehicles27 Aug 2026US 2026/0249664 A1Ford Global Technologies, LLC
- Freewheel-axial bearing assembly, and torque converter6 Aug 2026US 2026/0226968 A1Schaeffler Technologies AG & Co. KG
- Torque converter2 Jul 2026US 2026/0185591 A1Circle D Specialties, LLC
- Apparatuses and Methods for Improving Automotive Transmission Converter Rear Side Pressure19 Feb 2026US 2026/0049656 A1Superior Transmission Parts, Inc.
- Control of an impeller clutch of a torque converter for a gaseous fuel engine23 Oct 2025US 2025/0327392 A1Caterpillar Inc.
Most cited
By later US patents
- Torsional damper having variable bypass clutch with centrifugal release mechanism328US 6,854,580 B2BorgWarner Inc. · 2005
- Fluid drive transmission employing lockup clutch129US 4,526,255 AJ. I. Case Company · 1985
- Apparatus and method for a torque and fuel control system for a hybrid vehicle112US 6,307,277 B1General Motors Corporation · 2001
- Motor/generator unit applicable to automotive vehicle81US 6,184,603 B2Unisia Jecs Corporation · 2001
- Electric hybrid transmission with a torque converter78US 5,789,823 AGeneral Motors Corporation · 1998