F16H 2045/0289
Details of friction surfaces of the lock-up clutch
Official title: {Details of friction surfaces of the lock-up clutch}
F16H2045/0289 (Details of friction surfaces of the lock-up clutch) appears on 99 US grants and 71 published applications in this corpus.
Search patents in F16H- Granted patents
- 99
- Published applications
- 71
- Assignees
- 39
- Inventors
- 188
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
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| 1989 | 0 | 0 |
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| 1999 | 12 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 3 | 2 |
| 2003 | 1 | 6 |
| 2004 | 5 | 3 |
| 2005 | 1 | 2 |
| 2006 | 4 | 7 |
| 2007 | 0 | 10 |
| 2008 | 4 | 1 |
| 2009 | 4 | 2 |
| 2010 | 4 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 6 |
| 2016 | 2 | 2 |
| 2017 | 4 | 5 |
| 2018 | 4 | 3 |
| 2019 | 4 | 5 |
| 2020 | 4 | 6 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydraulic circuit27 Jan 2026US 12,535,088 B2JATCO Ltd
- Lock-up clutch having radial cooling channel and torque converter using the same10 Jun 2025US 12,326,183 B2Valeo Kapec Co., Ltd.
- Clutch systems for a torque converter8 Feb 2022US 11,242,921 B2Schaeffler Technologies AG & Co. KG
- Lock-up device for torque converter19 Oct 2021US 11,149,831 B2Exedy Corporation
- Laser etching of patterns on a surface for friction material adhesion13 Apr 2021US 10,975,919 B2Schaeffler Technologies AG & Co. KG
- Hydraulic circuit29 May 2025US 2025/0172163 A1JATCO Ltd
- Lock-up clutch having radial cooling channel and torque converter using the same4 Jul 2024US 2024/0218920 A1Valeo Kapec Co., Ltd.
- Frictional part31 Dec 2020US 2020/0408263 A1Schaeffler Technologies AG & Co. KG
- Clutch systems for a torque converter10 Sep 2020US 2020/0284331 A1Schaeffler Technologies AG & Co. KG
- Method of making wet friction material with water based phenolic resin23 Apr 2020US 2020/0124125 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Torque converter having a lockup clutch45US 5,964,329 AExedy Corporation · 1999
- Slipping bypass clutch for hydrokinetic torque converter40US 5,209,330 AFord Motor Company · 1993
- Wet-type friction member with grooves shaped for improved oil film removing effect37US 5,335,765 ADynax Corporation · 1994
- Hydrokinetic torque converter with lockup clutch33US 5,501,309 ALuK Getriebe-Systeme GmbH · 1996
- Hydrodynamic torque converter with lock-up clutch32US 5,669,474 AFichtel & Sachs AG · 1997