F02D 19/088
By estimation, i.e. without using direct measurements of a corresponding sensor
Official title: {by estimation, i.e. without using direct measurements of a corresponding sensor}
F02D19/088 (By estimation, i.e. without using direct measurements of a corresponding sensor) appears on 239 US grants and 225 published applications in this corpus.
Search patents in F02D- Granted patents
- 239
- Published applications
- 225
- Assignees
- 60
- Inventors
- 504
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 9 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 4 |
| 2004 | 3 | 4 |
| 2005 | 4 | 7 |
| 2006 | 5 | 2 |
| 2007 | 6 | 10 |
| 2008 | 4 | 26 |
| 2009 | 15 | 48 |
| 2010 | 26 | 40 |
| 2011 | 35 | 21 |
| 2012 | 26 | 10 |
| 2013 | 18 | 9 |
| 2014 | 14 | 5 |
| 2015 | 2 | 5 |
| 2016 | 6 | 11 |
| 2017 | 5 | 1 |
| 2018 | 6 | 2 |
| 2019 | 3 | 4 |
| 2020 | 7 | 3 |
| 2021 | 4 | 3 |
| 2022 | 4 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for operating an internal combustion engine28 Apr 2026US 12,612,879 B2Innio Jenbacher GmbH & Co OG
- Fuel injector control strategy using fuel bulk modulus for fuel injector command determination13 Jan 2026US 12,523,182 B2Caterpillar Inc.
- Method for controlling operation of an internal combustion engine which runs on a fuel mixture of hydrogen and natural gas4 Nov 2025US 12,460,589 B2Caterpillar Energy Solutions GmbH
- Internal combustion engine control device1 Jul 2025US 12,345,214 B2Hitachi Astemo, Ltd.
- Ethanol detection with heated fuel injector in flexible fuel vehicles9 Jan 2024US 11,867,141 B1Delphi Technologies IP Limited
- Fuel type detection for internal combustion engine6 Aug 2026US 2026/0226868 A1Caterpillar Inc.
- Internal combustion engine controller11 Jun 2026US 2026/0160212 A1Toyota Jidosha Kabushiki Kaisha
- Method and device for carrying out at least one vehicle function of a vehicle, and method and device for creating a trained machine learning exhaust gas determination model21 May 2026US 2026/0138583 A1Volkswagen Aktiengesellschaft
- Engine control system and methods16 Apr 2026US 2026/0104016 A1Innio Jenbacher GmbH & Co OG
- Real-Time On-Board Fuel Classification in Internal Combustion Engines12 Mar 2026US 2026/0071586 A1
Most cited
By later US patents
- Operation control system for internal combustion engine138US 4,993,386 AKabushiki Kaisha Toyota Chuo Kenkyusho · 1991
- Engine output control system and method73US 7,640,914 B2Ford Global Technologies, LLC · 2010
- Engine with two port fuel injectors67US 7,647,916 B2Ford Global Technologies, LLC · 2010
- System and method for reducing knock and preignition in an internal combustion engine65US 7,533,651 B2Ford Global Technologies, LLC · 2009
- Ethanol content learning based on engine roughness55US 6,298,838 B1DaimlerChrysler AG · 2001