F01N 3/2026
Directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate
Official title: {directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate by joule effect}
F01N3/2026 (Directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate) appears on 551 US grants and 468 published applications in this corpus.
Search patents in F01N- Granted patents
- 551
- Published applications
- 468
- Assignees
- 122
- Inventors
- 803
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 9 | 0 |
| 1993 | 25 | 0 |
| 1994 | 21 | 0 |
| 1995 | 26 | 0 |
| 1996 | 25 | 0 |
| 1997 | 16 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 4 |
| 2003 | 3 | 5 |
| 2004 | 0 | 3 |
| 2005 | 3 | 2 |
| 2006 | 1 | 2 |
| 2007 | 4 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 9 |
| 2011 | 1 | 19 |
| 2012 | 8 | 22 |
| 2013 | 14 | 36 |
| 2014 | 33 | 31 |
| 2015 | 32 | 23 |
| 2016 | 25 | 16 |
| 2017 | 19 | 30 |
| 2018 | 16 | 12 |
| 2019 | 25 | 26 |
| 2020 | 17 | 34 |
| 2021 | 29 | 28 |
| 2022 | 35 | 47 |
| 2023 | 33 | 48 |
| 2024 | 36 | 30 |
| 2025 | 29 | 19 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Honeycomb heater body13 Aug 2026US 2026/0235061 A1Corning Incorporated
- Porous metal structure13 Aug 2026US 2026/0235062 A1Amogreentech Co., Ltd.
- Catalyst substrate heaters having improved heating profiles30 Jul 2026US 2026/0218639 A1Corning Incorporated
- Electrically heated metal foam component and reactor device including an electrically heated metal foam element30 Jul 2026US 2026/0218997 A1Alantum Europe GmbH
- Three-dimensionally printed stress-engineered lattice structure for thermal energy generation16 Jul 2026US 2026/0199858 A1First Ammonia Motors, Inc.
Most cited
By later US patents
- Energy management system for hybrid vehicle125US 5,345,761 AFord Motor Company · 1994
- Resistance adjusting type heater and catalytic converter110US 5,063,029 ANGK Insulators, Ltd. · 1991
- Electrically heated catalytic converter99US 4,976,929 AW. R. Grace & Co.-Conn. · 1990
- Exhaust gas catalytic purifier construction81US 5,569,455 AMazda Motor Corporation · 1996
- Microlith catalytic reaction system77US 5,051,241 A1991