F16D 2048/0275
Two valves arranged in parallel
Official title: {Two valves arranged in parallel, e.g. one for coarse and the other for fine control during supplying or draining fluid from the actuation cylinder}
F16D2048/0275 (Two valves arranged in parallel) appears on 28 US grants and 20 published applications in this corpus.
Search patents in F16D- Granted patents
- 28
- Published applications
- 20
- Assignees
- 24
- Inventors
- 93
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 3 | 0 |
| 2020 | 1 | 1 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for actuating a decoupling unit12 Nov 2024US 12,140,191 B2Schaeffler Technologies AG & Co. KG
- Hydraulic control system17 Oct 2023US 11,788,618 B2Aisin Corporation
- Clutch control device14 Dec 2021US 11,199,230 B2Isuzu Motors Limited
- Clutch with variable lubrication supply15 Jun 2021US 11,035,421 B2General Electric Company
- Hydraulic system19 Jan 2021US 10,895,290 B2Honda Motor Co., Ltd.
- Method for actuating a decoupling unit15 Feb 2024US 2024/0052895 A1Schaeffler Technologies AG & Co. KG
- Hydraulic control system24 Aug 2023US 2023/0265919 A1Aisin Corporation
- Clutch control device28 Jan 2021US 2021/0025461 A1Isuzu Motors Limited
- Clutch with variable lubrication supply5 Nov 2020US 2020/0347893 A1General Electric Company
- Clutch actuator29 Mar 2018US 2018/0087543 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Apparatus for controlling hydraulic pressure for clutch42US 5,168,973 AKabushiki Kaisha Komatsu Seisakusho · 1992
- Clutch system37US 6,789,658 B2ZF Sachs AG · 2004
- Method for the operation of a multiple clutching device and a power shift transmission33US 6,881,171 B2ZF Sachs AG · 2005
- Apparatus for controlling hydraulic pressure for clutch28US 5,035,312 AKabushiki Kaisha Komatsu Seisakusho · 1991
- Solenoid operated clutch engagement24US 4,560,047 AFord Motor Company · 1985