F01N 2900/00
Details of electrical control or of the monitoring of the exhaust gas
Official title: Details of electrical control or of the monitoring of the exhaust gas treating apparatus
F01N2900/00 (Details of electrical control or of the monitoring of the exhaust gas) appears on 4,450 US grants and 4,875 published applications in this corpus.
Search patents in F01N- Granted patents
- 4,450
- Published applications
- 4,875
- Assignees
- 640
- Inventors
- 6,825
- Latest grant
- 6 Oct 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 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 14 | 0 |
| 1993 | 12 | 0 |
| 1994 | 19 | 0 |
| 1995 | 28 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 32 | 0 |
| 1999 | 20 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 6 |
| 2002 | 28 | 19 |
| 2003 | 17 | 23 |
| 2004 | 19 | 35 |
| 2005 | 22 | 37 |
| 2006 | 24 | 42 |
| 2007 | 22 | 71 |
| 2008 | 30 | 72 |
| 2009 | 30 | 135 |
| 2010 | 63 | 181 |
| 2011 | 83 | 184 |
| 2012 | 140 | 218 |
| 2013 | 178 | 271 |
| 2014 | 239 | 262 |
| 2015 | 264 | 352 |
| 2016 | 269 | 330 |
| 2017 | 331 | 355 |
| 2018 | 294 | 399 |
| 2019 | 393 | 368 |
| 2020 | 375 | 393 |
| 2021 | 374 | 266 |
| 2022 | 305 | 252 |
| 2023 | 261 | 227 |
| 2024 | 228 | 147 |
| 2025 | 178 | 133 |
| 2026 | 71 | 97 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engine device6 Oct 2026US 12,753,713 B2Yanmar Holdings Co., Ltd.
- Apparatus for diagnosing a post-processing system6 Oct 2026US 12,753,715 B2AVL Software and Functions GmbH
- Method, processing unit, and computer program for ascertaining fill levels of a first exhaust gas catalytic converter and of a second exhaust gas catalytic converter6 Oct 2026US 12,753,716 B2Robert Bosch GmbH
- Desulfurization method29 Sep 2026US 12,747,685 B2Subaru Corporation
- Apparatus and method for lambda control of spark-ignition engines, and motor vehicle29 Sep 2026US 12,747,711 B2Schaeffler Technologies AG & Co. KG
- Pressurized systems and methods for providing a nebulized catalyst8 Oct 2026US 2026/0309066 A1Jake Vernon LLC
- Containerized ultra-low nox diesel engine generator set with roof-mounted selective catalytic reduction system8 Oct 2026US 2026/0309075 A1Industrial Service Solutions WC, Inc.
- Ultra-low nox diesel engine generator with selective catalytic reduction engineered exhaust system and method1 Oct 2026US 2026/0298124 A1Industrial Service Solutions WC, Inc.
- Systems and methods for controlling tailpipe exhaust emissions1 Oct 2026US 2026/0298125 A1Cummins Inc.
- Compression ignition engine and system utilizing ammonia as a fuel source24 Sep 2026US 2026/0286881 A1Analytical Engineering, Inc.
Most cited
By later US patents
- Radio frequency process sensing, control, and diagnostics network and system267US 10,118,119 B2CTS Corporation · 2018
- Apparatus and method for internal combustion engine control173US 5,657,625 AMitsubishi Jidosha Kogyo Kabushiki Kaisha · 1997
- Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction171US 6,063,350 AClean Diesel Technologies, Inc. · 2000
- Staged reductant injection for improved NO.sub.x reduction157US 6,125,629 AEngelhard Corporation · 2000
- Method and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gas153US 5,628,186 ASiemens Aktiengesellschaft · 1997