G01M 15/104
Using oxygen or lambda-sensors
Official title: {using oxygen or lambda-sensors (testing catalytic converters F01N3/18, F01N11/007)}
G01M15/104 (Using oxygen or lambda-sensors) appears on 226 US grants and 208 published applications in this corpus.
Search patents in G01M- Granted patents
- 226
- Published applications
- 208
- Assignees
- 91
- Inventors
- 482
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 4 |
| 2004 | 3 | 2 |
| 2005 | 4 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 5 |
| 2011 | 3 | 6 |
| 2012 | 3 | 6 |
| 2013 | 7 | 4 |
| 2014 | 5 | 18 |
| 2015 | 6 | 22 |
| 2016 | 16 | 27 |
| 2017 | 22 | 19 |
| 2018 | 34 | 25 |
| 2019 | 19 | 14 |
| 2020 | 14 | 11 |
| 2021 | 7 | 3 |
| 2022 | 6 | 11 |
| 2023 | 7 | 6 |
| 2024 | 9 | 2 |
| 2025 | 7 | 7 |
| 2026 | 0 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for diagnosing a wideband lambda sensor15 Jul 2025US 12,360,010 B2Robert Bosch GmbH
- Method for self-balancing of a lambda sensor and exhaust gas system1 Jul 2025US 12,345,600 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Compact sensor component for harsh environments17 Jun 2025US 12,332,140 B2Schott AG
- Gas sensor3 Jun 2025US 12,320,776 B2Niterra Co., Ltd.
- Sensor system and failure detection method for sensor system1 Apr 2025US 12,265,070 B2Honda Motor Co., Ltd.
- System and method for monitoring a burner associated with an exhaust gas after-treatment apparatus of a vehicle1 Oct 2026US 2026/0298126 A1Ferrari S.P. A.
- Fuel quality determination systems and associated methods of operation27 Aug 2026US 2026/0251103 A1Inpro/Seal LLC
- Actuating device for a lambda probe and method for compensating leakage currents2 Jul 2026US 2026/0185901 A1Robert Bosch GmbH
- Fast awakening oxygen sensor11 Jun 2026US 2026/0160214 A1GM Global Technology Operations LLC
- Method for operating a sensor for detecting at least one property of a measurement gas in a measurement gas chamber21 May 2026US 2026/0140084 A1
Most cited
By later US patents
- Engine and emission monitoring and control system utilizing gas sensors96US 5,426,934 AHitachi America, Ltd. · 1995
- System for monitoring and/or controlling multiple cylinder engine performance63US 4,936,277 AMotorola, Inc. · 1990
- Method and apparatus for diagnosing automotive engine problems using oxygen63US 5,585,552 AThe Technician's Company · 1996
- Exhaust gas sensor failure detection system51US 3,938,075 AThe Bendix Corporation · 1976
- State estimator based exhaust gas chemistry measurement system and method51US 5,535,135 AMotorola, Inc. · 1996