F16H 2061/0255
Solenoid valve using pwm or duty-cycle control
Official title: {Solenoid valve using PWM or duty-cycle control}
F16H2061/0255 (Solenoid valve using pwm or duty-cycle control) appears on 218 US grants and 37 published applications in this corpus.
Search patents in F16H- Granted patents
- 218
- Published applications
- 37
- Assignees
- 56
- Inventors
- 389
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 5 | 0 |
| 1990 | 12 | 0 |
| 1991 | 24 | 0 |
| 1992 | 15 | 0 |
| 1993 | 5 | 0 |
| 1994 | 9 | 0 |
| 1995 | 18 | 0 |
| 1996 | 15 | 0 |
| 1997 | 10 | 0 |
| 1998 | 21 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 2 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 2 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 5 |
| 2019 | 4 | 5 |
| 2020 | 4 | 3 |
| 2021 | 1 | 2 |
| 2022 | 3 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic motion detection via solenoid electronic feedback7 Jan 2025US 12,188,530 B1Fca US LLC
- Electromagnetic valve control device and work vehicle18 Jun 2024US 12,013,032 B2Kubota Corporation
- Controller and control method for linear solenoid valve29 Aug 2023US 11,742,124 B2Toyota Jidosha Kabushiki Kaisha
- Current control device10 Jan 2023US 11,549,583 B2Denso Corporation
- Hydraulic supply system13 Sep 2022US 11,441,670 B2Toyota Jidosha Kabushiki Kaisha
- Electromagnetic valve control device and work vehicle23 May 2024US 2024/0167565 A1Kubota Corporation
- Controller and control method for linear solenoid valve9 Jun 2022US 2022/0181055 A1Toyota Jidosha Kabushiki Kaisha
- Hydraulic supply system22 Jul 2021US 2021/0222768 A1Toyota Jidosha Kabushiki Kaisha
- Working vehicle3 Jun 2021US 2021/0164561 A1Kubota Corporation
- Electrically controllable hydraulic system for a vehicle transmission and method for controlling the same6 Aug 2020US 2020/0248727 A1Punch Powertrain N.V.
Most cited
By later US patents
- Adaptive direct pressure shift control for a motor vehicle transmission85US 4,707,789 AGeneral Motors Corporation · 1987
- Automatic electronic control for a power shift transmission77US 4,414,863 ADeere & Company · 1983
- Solenoid operated pressure control valve76US 4,998,559 AColtec Industries Inc. · 1991
- Automatic transmission line pressure control74US 4,283,970 AGeneral Motors Corporation · 1981
- Adaptive direct pressure shift control for a motor vehicle transmission68US 4,653,350 AGeneral Motors Corporation · 1987