F01M 5/021
By heating
Official title: {by heating}
F01M5/021 (By heating) appears on 128 US grants and 109 published applications in this corpus.
Search patents in F01M- Granted patents
- 128
- Published applications
- 109
- Assignees
- 75
- Inventors
- 304
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 6 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 1 | 7 |
| 2011 | 1 | 4 |
| 2012 | 1 | 5 |
| 2013 | 8 | 7 |
| 2014 | 6 | 4 |
| 2015 | 2 | 9 |
| 2016 | 4 | 10 |
| 2017 | 12 | 9 |
| 2018 | 12 | 14 |
| 2019 | 12 | 11 |
| 2020 | 11 | 5 |
| 2021 | 4 | 0 |
| 2022 | 5 | 5 |
| 2023 | 4 | 2 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermal storage materials and applications thereof5 May 2026US 12,618,346 B2Brandeis University
- Lubricant pan and internal combustion engine for a vehicle10 Feb 2026US 12,546,240 B2Bayerische Motoren Werke Aktiengesellschaft
- Supercooling cancellation device, heat storage device, and power unit29 Apr 2025US 12,286,923 B2Panasonic Holdings Corporation
- Pre-heated crankcase ventilation system architecture2 Apr 2024US 11,946,397 B1Caterpillar Inc.
- Method of managing the oil temperature of a transmission of a motor vehicle6 Feb 2024US 11,892,072 B2Volvo Truck Corporation
- Natural gas fluid heating pre-start system17 Aug 2023US 2023/0258111 A1Stewart & Stevenson LLC
- Supercooling cancellation device, heat storage device, and power unit10 Aug 2023US 2023/0250749 A1Panasonic Holdings Corporation
- Lubricant Pan and Internal Combustion Engine for a Vehicle1 Dec 2022US 2022/0381167 A1Bayerische Motoren Werke Aktiengesellschaft
- Method of managing the oil temperature of a transmission of a motor vehicle6 Oct 2022US 2022/0316577 A1Volvo Truck Corporation
- Engine oil dilution control in automotive vehicles18 Aug 2022US 2022/0259992 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Engine oil heater66US 7,104,233 B2Briggs & Stratton Corporation · 2006
- Engine prelubricating system34US 4,940,114 A1990
- Heating system, in particular for motor vehicles, with an internal combustion engine and a heater31US 5,018,490 A1991
- Internal combustion engine for an automobile with a divided oil pan29US 4,296,716 AVolkswagenwerk Aktiengesellschaft · 1981
- Apparatus for maintaining a diesel engine in restarting condition29US 4,424,775 AMicrophor, Inc. · 1984