F02P 19/021
Characterised by power delivery controls
Official title: {characterised by power delivery controls}
F02P19/021 (Characterised by power delivery controls) appears on 128 US grants and 92 published applications in this corpus.
Search patents in F02P- Granted patents
- 128
- Published applications
- 92
- Assignees
- 66
- Inventors
- 229
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 3 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 12 |
| 2010 | 3 | 8 |
| 2011 | 8 | 10 |
| 2012 | 8 | 0 |
| 2013 | 7 | 6 |
| 2014 | 1 | 12 |
| 2015 | 3 | 8 |
| 2016 | 12 | 6 |
| 2017 | 10 | 4 |
| 2018 | 2 | 3 |
| 2019 | 6 | 2 |
| 2020 | 1 | 0 |
| 2021 | 1 | 2 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for lighting off an auxiliary occupational emissions device and method of operating the same15 Apr 2025US 12,276,218 B2Beecher Emission Solution Technologies, LLC
- Work vehicle6 Aug 2024US 12,055,089 B2Kubota Corporation
- Starting engine with generator to idle speed or higher without fueling30 Apr 2024US 11,970,988 B2BAE Systems Controls Inc.
- Method and system for glow plug operation29 Aug 2023US 11,739,693 B2Pratt & Whitney Canada Corp.
- Revolving speed variable voltage power supply for glow plug of two-stroke or four-stroke gasoline engine23 Aug 2022US 11,421,643 B1
- 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
- System for lighting off an auxiliary occupational emissions device and method of operating the same15 Aug 2024US 2024/0271554 A1Beecher Emission Solution Technologies, LLC
- Work vehicle7 Dec 2023US 2023/0392540 A1Kubota Corporation
- Portable Low Voltage Material Combustion System22 Dec 2022US 2022/0404019 A1Flash Fire LLC
Most cited
By later US patents
- Electrical starting system for diesel engines68US 6,148,258 ANartron Corporation · 2000
- System and method to control energy supply to an electrically heated zone33US 4,669,430 ARobert Bosch GmbH · 1987
- 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