F01N 3/2013
Using electric or magnetic heating means
Official title: {using electric or magnetic heating means}
F01N3/2013 (Using electric or magnetic heating means) appears on 1,292 US grants and 1,164 published applications in this corpus.
Search patents in F01N- Granted patents
- 1,292
- Published applications
- 1,164
- Assignees
- 283
- Inventors
- 2,034
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 13 | 0 |
| 1993 | 33 | 0 |
| 1994 | 33 | 0 |
| 1995 | 49 | 0 |
| 1996 | 41 | 0 |
| 1997 | 31 | 0 |
| 1998 | 40 | 0 |
| 1999 | 30 | 0 |
| 2000 | 19 | 0 |
| 2001 | 17 | 4 |
| 2002 | 9 | 9 |
| 2003 | 9 | 19 |
| 2004 | 4 | 12 |
| 2005 | 11 | 11 |
| 2006 | 9 | 22 |
| 2007 | 11 | 9 |
| 2008 | 5 | 15 |
| 2009 | 13 | 18 |
| 2010 | 11 | 28 |
| 2011 | 6 | 37 |
| 2012 | 21 | 46 |
| 2013 | 29 | 59 |
| 2014 | 56 | 54 |
| 2015 | 50 | 39 |
| 2016 | 44 | 29 |
| 2017 | 35 | 56 |
| 2018 | 25 | 48 |
| 2019 | 53 | 74 |
| 2020 | 71 | 91 |
| 2021 | 77 | 80 |
| 2022 | 101 | 137 |
| 2023 | 111 | 110 |
| 2024 | 107 | 71 |
| 2025 | 73 | 48 |
| 2026 | 32 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrically heated exhaust gas purification catalyst22 Sep 2026US 12,741,271 B2Mitsui Kinzoku Company, Limited
- Electrically heatable honeycomb structure having corrugated layers of different cell density22 Sep 2026US 12,742,405 B2Vitesco Technologies GmbH
- Exhaust gas heater8 Sep 2026US 12,729,638 B2Purem GmbH
- Emissions management for diesel series hybrid powertrains25 Aug 2026US 12,715,426 B2Cummins Inc.
- Honeycomb structure, electrically heating support, and exhaust gas purification device25 Aug 2026US 12,716,374 B2NGK Insulators, Ltd.
- Hybrid vehicle1 Oct 2026US 2026/0296397 A1Isuzu Motors Limited
- Multiple heater exhaust aftertreatment system architecture and methods of control thereof24 Sep 2026US 2026/0286875 A1Cummins Inc.
- Prime mover systems including variable speed clutches for alternators and methods of controlling same17 Sep 2026US 2026/0280456 A1Cummins Inc.
- Method for powering a heating device for a catalytic converter3 Sep 2026US 2026/0258741 A1Schaeffler Technologies AG & Co. KG
- Exhaust system and features thereof27 Aug 2026US 2026/0251080 A1ECC TEC MSJ Incorporated
Most cited
By later US patents
- Hybrid vehicles228US 6,554,088 B2Paice LLC · 2003
- Hybrid car and an operating method therefor181US 5,441,122 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1995
- Exhaust gas purification system for low emission vehicle147US 6,167,696 AFord Motor Company · 2001
- Energy management system for hybrid vehicle125US 5,345,761 AFord Motor Company · 1994
- Hybrid vehicles123US 7,237,634 B2Paice LLC · 2007