F16H 2045/0273
Characterised by the type of the friction surface of the lock-up clutch
Official title: {characterised by the type of the friction surface of the lock-up clutch}
F16H2045/0273 (Characterised by the type of the friction surface of the lock-up clutch) appears on 1,285 US grants and 954 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,285
- Published applications
- 954
- Assignees
- 140
- Inventors
- 1,346
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 23 | 0 |
| 1991 | 19 | 0 |
| 1992 | 15 | 0 |
| 1993 | 15 | 0 |
| 1994 | 19 | 0 |
| 1995 | 16 | 0 |
| 1996 | 15 | 0 |
| 1997 | 26 | 0 |
| 1998 | 39 | 0 |
| 1999 | 40 | 0 |
| 2000 | 44 | 0 |
| 2001 | 42 | 18 |
| 2002 | 20 | 17 |
| 2003 | 21 | 29 |
| 2004 | 29 | 31 |
| 2005 | 21 | 19 |
| 2006 | 26 | 28 |
| 2007 | 17 | 38 |
| 2008 | 11 | 46 |
| 2009 | 16 | 51 |
| 2010 | 23 | 20 |
| 2011 | 26 | 27 |
| 2012 | 35 | 45 |
| 2013 | 22 | 26 |
| 2014 | 44 | 35 |
| 2015 | 43 | 50 |
| 2016 | 38 | 66 |
| 2017 | 62 | 110 |
| 2018 | 88 | 72 |
| 2019 | 82 | 47 |
| 2020 | 46 | 52 |
| 2021 | 48 | 39 |
| 2022 | 46 | 45 |
| 2023 | 48 | 20 |
| 2024 | 20 | 14 |
| 2025 | 22 | 8 |
| 2026 | 6 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 2045/0294Single disk type lock-up clutch, i.e. using a single disc engaged betweenIndexing code662
- F16H 2045/0278Comprising only two co-acting friction surfacesIndexing code404
- F16H 2045/0284Multiple disk type lock-up clutchIndexing code390
- F16H 2045/0289Details of friction surfaces of the lock-up clutchIndexing code99
Recent patents
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- Sealing assembly, hydraulic torque converter and vehicle16 Oct 2025US 2025/0320911 A1Valeo Kapec Torque Converters (Nanjing) Co., Ltd.
- Torque converter with pulling bias spring18 Sep 2025US 2025/0290560 A1Schaeffler Technologies AG & Co. KG
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Most cited
By later US patents
- Fluid drive transmission employing lockup clutch129US 4,526,255 AJ. I. Case Company · 1985
- Vehicle drive train74US 6,258,001 B1Aisin Aw Co., Ltd. · 2001
- Controlled capacity torque converter clutch58US 4,582,185 AGeneral Motors Corporation · 1986
- Lockup clutch with a compensation flywheel mass at the torsional vibration damper54US 6,026,940 AMannesmann Sachs AG · 2000
- Vibration damper for a torque converter lock-up clutch53US 4,138,003 AGeneral Motors Corporation · 1979