F16D 2048/0251
Electric motor driving a piston
Official title: {Electric motor driving a piston, e.g. for actuating the primary cylinder}
F16D2048/0251 (Electric motor driving a piston) appears on 11 US grants and 13 published applications in this corpus.
Search patents in F16D- Granted patents
- 11
- Published applications
- 13
- Assignees
- 13
- Inventors
- 29
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 2 | 3 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Shared clutch control for manual transmission with a hybrid drive9 Feb 2023US 2023/0037369 A1Toyota Research Institute, Inc.
- Friction engagement element control system and method of controlling friction engagement element16 Sep 2021US 2021/0285507 A1Mazda Motor Corporation
- Vehicle transmission system20 May 2021US 2021/0148417 A1Honda Motor Co., Ltd.
- Adjusting the system pressure for a clutch11 Mar 2021US 2021/0071723 A1GKN Automotive AG
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Most cited
By later US patents
- Ratio valve to control unloading of modulating relief valve6US 4,751,866 ACaterpillar Inc. · 1988
- Method for controlling an automated clutch3US 8,548,705 B2Schaeffler Technologies AG & Co. KG · 2013
- Electronic control device for controlling actuators3US 9,748,040 B2ZF Friedrichshafen AG · 2017
- System and method for controlling engine clutch1US 10,718,389 B2Hyundai Motor Company · 2020