F02N 2300/108
Duty cycle control or pulse width modulation [pwm]
Official title: Duty cycle control or pulse width modulation [PWM]
F02N2300/108 (Duty cycle control or pulse width modulation [pwm]) appears on 31 US grants and 29 published applications in this corpus.
Search patents in F02N- Granted patents
- 31
- Published applications
- 29
- Assignees
- 21
- Inventors
- 72
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 3 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Multifunctional battery booster13 Jun 2023US 11,674,490 B2Schumacher Electric Corporation
- Internal combustion engine with electric starting system2 May 2023US 11,639,681 B2Briggs & Stratton Corporation
- Generator control apparatus suitable for integrated starter generator and method of starting the same27 Dec 2022US 11,536,238 B2Delta Electronics, Inc.
- Multifunctional Battery Booster25 Dec 2025US 2025/0389247 A1Schumacher Electric Corporation
- Multifunctional Battery Booster12 Oct 2023US 2023/0323847 A1Schumacher Electric Corporation
- Internal combustion engine with electric starting system1 Dec 2022US 2022/0381176 A1Briggs & Stratton Corporation
- Generator control apparatus suitable for integrated starter generator and method of starting the same23 Jun 2022US 2022/0195972 A1Delta Electronics, Inc.
- Internal combustion engine with electric starting system2 Sep 2021US 2021/0270225 A1Briggs & Stratton Corporation
Most cited
By later US patents
- Backward drive control system for motorcycle20US 6,054,826 ADenso Corporation · 2000
- Electronic starting motor control having fail safe and overvoltage protection19US 4,906,857 AKikusui Line Co., Ltd. · 1990
- Starter motor protection circuit with relay protection12US 5,343,351 AElectro-Tech, Inc. · 1994
- Internal combustion engine start controller11US 7,594,491 B2Toyota Jidosha Kabushiki Kaisha · 2009
- Engine starting control apparatus9US 6,782,860 B2Honda Giken Kogyo Kabushiki Kaisha · 2004