F01N 2900/0422
Measuring the elapsed time
Official title: measuring the elapsed time
F01N2900/0422 (Measuring the elapsed time) appears on 541 US grants and 403 published applications in this corpus.
Search patents in F01N- Granted patents
- 541
- Published applications
- 403
- Assignees
- 145
- Inventors
- 1,132
- Latest grant
- 14 Jul 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 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 12 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 25 | 0 |
| 1996 | 11 | 0 |
| 1997 | 10 | 0 |
| 1998 | 25 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 4 |
| 2002 | 18 | 12 |
| 2003 | 9 | 11 |
| 2004 | 10 | 16 |
| 2005 | 10 | 12 |
| 2006 | 11 | 16 |
| 2007 | 14 | 26 |
| 2008 | 14 | 17 |
| 2009 | 8 | 16 |
| 2010 | 19 | 17 |
| 2011 | 17 | 12 |
| 2012 | 11 | 24 |
| 2013 | 20 | 16 |
| 2014 | 23 | 19 |
| 2015 | 14 | 11 |
| 2016 | 15 | 19 |
| 2017 | 19 | 12 |
| 2018 | 15 | 28 |
| 2019 | 24 | 18 |
| 2020 | 20 | 31 |
| 2021 | 35 | 18 |
| 2022 | 25 | 13 |
| 2023 | 9 | 12 |
| 2024 | 18 | 13 |
| 2025 | 13 | 9 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reducing agent supply device, method for controlling reducing agent supply device, and control device14 Jul 2026US 12,680,487 B2Komatsu Ltd.
- Method to determine the oxygen storage capacity of a catalytic converter of an exhaust gas system of an internal combustion engine14 Jul 2026US 12,680,491 B2Marelli Europe S.P.A.
- Vehicle diagnostic device17 Feb 2026US 12,553,373 B2Toyota Jidosha Kabushiki Kaisha
- Systems and methods for filter regeneration with cylinder deactivation16 Dec 2025US 12,497,927 B2Cummins Inc.
- System and method for monitoring an exhaust gas purification system9 Dec 2025US 12,492,658 B2Sick AG
- Diesel oxidation deposit mitigation9 Jul 2026US 2026/0193998 A1Thermo King Corporation
- Reducing agent supply device, method for controlling reducing agent supply device, and control device13 Nov 2025US 2025/0347241 A1Komatsu Ltd.
- Vehicle diagnostic device25 Sep 2025US 2025/0297567 A1Toyota Jidosha Kabushiki Kaisha
- Method to Control Combustion Inside a Burner of an Exhaust Gas After-Treatment System26 Jun 2025US 2025/0207520 A1Marelli Europe S.P.A.
- Dual leg aftertreatment system19 Jun 2025US 2025/0198322 A1Cummins Power Generation Inc.
Most cited
By later US patents
- Method for controlling the level of oxygen stored by a catalyst within a catalytic converter152US 5,842,340 AMotorola, Inc. · 1998
- Method for monitoring the performance of a NO.sub.x trap110US 5,771,685 AFord Global Technologies, LLC · 1998
- System for determining deterioration of catalysts of internal combustion engines101US 5,325,664 AHonda Giken Kogyo Kabushiki Kaisha · 1994
- Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto101US 5,678,402 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Method for monitoring the performance of a no.sub.x trap101US 5,743,084 AFord Global Technologies, LLC · 1998