F02P 19/022
Using intermittent current supply
Official title: {using intermittent current supply}
F02P19/022 (Using intermittent current supply) appears on 60 US grants and 38 published applications in this corpus.
Search patents in F02P- Granted patents
- 60
- Published applications
- 38
- Assignees
- 33
- Inventors
- 119
- Latest grant
- 6 Aug 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 2 | 5 |
| 2011 | 4 | 6 |
| 2012 | 5 | 0 |
| 2013 | 3 | 2 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 5 | 3 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Work vehicle6 Aug 2024US 12,055,089 B2Kubota Corporation
- Revolving speed variable voltage power supply for glow plug of two-stroke or four-stroke gasoline engine23 Aug 2022US 11,421,643 B1
- Method of controlling the slew rate of a MOSFET and apparatus thereof3 Dec 2019US 10,495,050 B2GM Global Technology Operations LLC
- Regeneration device for exhaust-gas purifying device8 Jan 2019US 10,174,702 B2Isuzu Motors Limited
- Apparatus and method for controlling power supply to glow plug14 Nov 2017US 9,816,477 B2Ngk Spark Plug Co., Ltd.
- Temperature control system for hot surface igniter21 May 2026US 2026/0139835 A1Chongqing Le-Mark Technology Co
- Hot surface igniter temperature control system and method26 Mar 2026US 2026/0086587 A1Chongqing Le-Mark Technology Co
- Work vehicle7 Dec 2023US 2023/0392540 A1Kubota Corporation
- Regeneration device for exhaust-gas purifying device21 Sep 2017US 2017/0268450 A1Isuzu Motors Limited
- Apparatus and method for controlling power supply to glow plug29 Dec 2016US 2016/0377044 A1Ngk Spark Plug Co., Ltd.
Most cited
By later US patents
- Electrical starting system for diesel engines68US 6,148,258 ANartron Corporation · 2000
- Heating circuit31US 4,002,882 A1977
- Diesel engine glow plug energization control device29US 4,177,785 AGeneral Motors Corporation · 1979
- System for controlling the temperature of a hot spot or a glow plug in an internal combustion engine28US 4,658,772 ARobert Bosch GmbH · 1987
- Energization control apparatus for glow plug28US 4,939,347 AJidosha Kiki Co., Ltd. · 1990