F02D 2041/228
Warning displays
Official title: {Warning displays}
F02D2041/228 (Warning displays) appears on 514 US grants and 537 published applications in this corpus.
Search patents in F02D- Granted patents
- 514
- Published applications
- 537
- Assignees
- 178
- Inventors
- 1,265
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 10 |
| 2003 | 12 | 14 |
| 2004 | 14 | 14 |
| 2005 | 9 | 24 |
| 2006 | 18 | 13 |
| 2007 | 16 | 12 |
| 2008 | 13 | 27 |
| 2009 | 8 | 13 |
| 2010 | 17 | 18 |
| 2011 | 7 | 16 |
| 2012 | 15 | 15 |
| 2013 | 8 | 26 |
| 2014 | 13 | 28 |
| 2015 | 26 | 37 |
| 2016 | 32 | 39 |
| 2017 | 32 | 41 |
| 2018 | 30 | 32 |
| 2019 | 36 | 38 |
| 2020 | 41 | 32 |
| 2021 | 33 | 19 |
| 2022 | 24 | 19 |
| 2023 | 24 | 11 |
| 2024 | 17 | 19 |
| 2025 | 15 | 9 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control device for vehicle18 Aug 2026US 12,710,016 B2Toyota Jidosha Kabushiki Kaisha
- Outboard motor and marine vessel5 May 2026US 12,617,511 B2Yamaha Hatsudoki Kabushiki Kaisha
- Methods and apparatus for mitigating fuel in oil14 Apr 2026US 12,600,341 B2Jaguar Land Rover Limited
- Vehicle with engine7 Apr 2026US 12,595,771 B2Toyota Jidosha Kabushiki Kaisha
- Normal operation model generation and anomaly detection for a common rail internal combustion engine24 Mar 2026US 12,584,452 B1Intangles Lab Private Ltd.
- Engine ignition flag system25 Jun 2026US 2026/0177014 A1Oshkosh Corporation
- Methods and systems for diagnosing four oxygen sensor system18 Jun 2026US 2026/0168456 A1Ford Global Technologies, LLC
- Engine catalyst diagnosis apparatus11 Jun 2026US 2026/0160194 A1Mazda Motor Corporation
- Controller for internal combustion engine11 Jun 2026US 2026/0160215 A1Toyota Jidosha Kabushiki Kaisha
- Hydraulic Safety Manager21 May 2026US 2026/0141753 A1Right Testing Labs
Most cited
By later US patents
- Evaluation system for vehicle operating conditions and evaluation method thereof59US 7,024,306 B2Miyama, Inc. · 2006
- On-board detection of fuel injector malfunction58US 5,535,621 AFord Motor Company · 1996
- Dual channel air/fuel ratio gauge45US 7,030,742 B2Innova Electronics Corporation · 2006
- Computer-based engine diagnostic method37US 5,010,487 AColtec Industries Inc. · 1991
- Air/fuel imbalance detection system and method34US 7,152,594 B2GM Global Technology Operations LLC · 2006