F01N 11/002
The diagnostic devices measuring or estimating temperature or pressure in, or downstream
Official title: {the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus}
F01N11/002 (The diagnostic devices measuring or estimating temperature or pressure in, or downstream) appears on 1,384 US grants and 1,466 published applications in this corpus.
Search patents in F01N- Granted patents
- 1,384
- Published applications
- 1,466
- Assignees
- 305
- Inventors
- 2,806
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 12 | 0 |
| 1996 | 7 | 0 |
| 1997 | 13 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 9 | 1 |
| 2002 | 19 | 12 |
| 2003 | 12 | 13 |
| 2004 | 16 | 39 |
| 2005 | 22 | 46 |
| 2006 | 31 | 44 |
| 2007 | 34 | 64 |
| 2008 | 30 | 68 |
| 2009 | 38 | 67 |
| 2010 | 41 | 55 |
| 2011 | 52 | 54 |
| 2012 | 62 | 52 |
| 2013 | 41 | 50 |
| 2014 | 54 | 43 |
| 2015 | 54 | 88 |
| 2016 | 52 | 74 |
| 2017 | 70 | 117 |
| 2018 | 86 | 109 |
| 2019 | 119 | 100 |
| 2020 | 95 | 98 |
| 2021 | 105 | 67 |
| 2022 | 72 | 52 |
| 2023 | 55 | 52 |
| 2024 | 60 | 41 |
| 2025 | 43 | 31 |
| 2026 | 14 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal combustion engine system15 Sep 2026US 12,736,016 B2Toyota Jidosha Kabushiki Kaisha
- Work vehicle and aftertreatment system therefor25 Aug 2026US 12,716,375 B2Deere & Company
- Methods and systems for particulate filter sensor25 Aug 2026US 12,716,378 B1Ford Global Technologies, LLC
- 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.
- Exhaust component14 Jul 2026US 12,680,492 B2Futaba Industrial Co., Ltd.
- Multiple heater exhaust aftertreatment system architecture and methods of control thereof24 Sep 2026US 2026/0286875 A1Cummins Inc.
- Controller for internal combustion engine, control method for internal combustion engine, and storage medium17 Sep 2026US 2026/0275894 A1Toyota Jidosha Kabushiki Kaisha
- Exhaust system3 Sep 2026US 2026/0258744 A1Isuzu Motors Limited
- Exhaust system state determination method and exhaust system state determination device3 Sep 2026US 2026/0258745 A1Nissan Motor Co., Ltd.
- Method for determining condition of exhaust system, and device for determining condition of exhaust system3 Sep 2026US 2026/0258746 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Radio frequency process sensing, control, and diagnostics network and system267US 10,118,119 B2CTS Corporation · 2018
- System comprising duel-fuel and after treatment for heavy-heavy duty diesel (HHDD) engines180US 10,287,943 B1Clean Power Technologies, LLC · 2019
- Exhaust gas purification system for an internal combustion engine133US 5,201,802 AToyota Jidosha Kabushiki Kaisha · 1993
- Catalyst monitor based on a thermal power model110US 5,626,014 AFord Motor Company · 1997
- System for determining deterioration of catalysts of internal combustion engines101US 5,325,664 AHonda Giken Kogyo Kabushiki Kaisha · 1994