F02D 19/0636
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}
F02D19/0636 (By estimation, i.e. without using direct measurements of a corresponding sensor) appears on 133 US grants and 130 published applications in this corpus.
Search patents in F02D- Granted patents
- 133
- Published applications
- 130
- Assignees
- 65
- Inventors
- 287
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 0 |
| 2002 | 5 | 8 |
| 2003 | 6 | 2 |
| 2004 | 3 | 4 |
| 2005 | 4 | 5 |
| 2006 | 4 | 2 |
| 2007 | 2 | 10 |
| 2008 | 5 | 10 |
| 2009 | 9 | 11 |
| 2010 | 7 | 10 |
| 2011 | 5 | 7 |
| 2012 | 4 | 4 |
| 2013 | 6 | 5 |
| 2014 | 4 | 3 |
| 2015 | 3 | 3 |
| 2016 | 4 | 6 |
| 2017 | 8 | 10 |
| 2018 | 6 | 9 |
| 2019 | 7 | 3 |
| 2020 | 10 | 2 |
| 2021 | 4 | 5 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine system and method for determining fuel characteristics12 May 2026US 12,624,668 B2Caterpillar Inc.
- Method for operating an internal combustion engine28 Apr 2026US 12,612,879 B2Innio Jenbacher GmbH & Co OG
- Fuel system for a spark ignition engine21 Apr 2026US 12,607,150 B2Fpt Industrial S.P.A.
- Dual fuel engine combustion control strategy optimizing pilot shot quantities6 Jan 2026US 12,516,638 B2Caterpillar Inc.
- Estimating biodiesel blend using virtual sensors and virtual sensing methods1 Oct 2024US 12,104,545 B1Cummins Emission Solutions Inc.
- Mixed-combustion electronic control device6 Aug 2026US 2026/0226867 A1Hitachi, Ltd.
- Engine control system and methods16 Apr 2026US 2026/0104015 A1Innio Waukesha Gas Engines Inc.
- Engine control system and methods16 Apr 2026US 2026/0104016 A1Innio Jenbacher GmbH & Co OG
- Method for operating an internal combustion engine5 Feb 2026US 2026/0036096 A1Innio Jenbacher GmbH & Co OG
- Engine system and method for determining fuel characteristics22 Jan 2026US 2026/0022672 A1Caterpillar Inc.
Most cited
By later US patents
- Knocking control system and method for internal combustion engine using multiple fuels120US 6,951,202 B2Toyota Jidosha Kabushiki Kaisha · 2005
- Fuel composition supply means for spark ignition engines77US 7,107,942 B2ExxonMobil Research and Engineering Company · 2006
- Fuel composition supply means for driving cycle conditions in spark ignition engines66US 6,622,663 B2ExxonMobil Research and Engineering Company · 2003
- System and method for tip-in knock compensation62US 7,406,947 B2Ford Global Technologies, LLC · 2008
- Bi-fuel liquid injection system for an internal combustion engine60US 6,035,837 ASiemens Automotive Corporation · 2000