G01N 33/2852
Alcohol in fuels
Official title: {Alcohol in fuels}
G01N33/2852 (Alcohol in fuels) appears on 162 US grants and 128 published applications in this corpus.
Search patents in G01N- Granted patents
- 162
- Published applications
- 128
- Assignees
- 93
- Inventors
- 368
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 11 | 0 |
| 1993 | 16 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 3 |
| 2006 | 0 | 3 |
| 2007 | 3 | 0 |
| 2008 | 0 | 12 |
| 2009 | 1 | 16 |
| 2010 | 6 | 11 |
| 2011 | 2 | 7 |
| 2012 | 12 | 7 |
| 2013 | 8 | 17 |
| 2014 | 6 | 5 |
| 2015 | 5 | 8 |
| 2016 | 5 | 5 |
| 2017 | 8 | 3 |
| 2018 | 3 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 3 | 8 |
| 2023 | 5 | 4 |
| 2024 | 6 | 5 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable system for determining monoethylene glycol16 Jun 2026US 12,656,314 B2Petroleo Brasileiro S.A. - Petrobras
- Systems and methods for holistic low carbon intensity fuel and ethanol production17 Feb 2026US 12,554,234 B2Marathon Petroleum Company LP
- Systems and methods for holistic low carbon intensity fuel and hydrogen production23 Sep 2025US 12,422,796 B2Marathon Petroleum Company LP
- Method to generate highly accurate thermodynamic and physical fluid properties of real light-distillate fuels for one-dimensional hydraulic models using a detailed multi-component surrogate formulation approach25 Feb 2025US 12,237,055 B2Saudi Arabian Oil Company
- Systems and methods for holistic low carbon intensity fuel production17 Sep 2024US 12,092,998 B2Marathon Petroleum Company LP
- Device and method for measuring hydroxyl content in hydrocarbon fuel19 Jun 2025US 2025/0198919 A1Emcee Electronics, Inc.
- Systems and methods for holistic low carbon intensity fuel and hydrogen production26 Sep 2024US 2024/0319688 A1Marathon Petroleum Company LP
- Systems and methods for holistic low carbon intensity fuel production26 Sep 2024US 2024/0319689 A1Marathon Petroleum Company LP
- Systems and methods for holistic low carbon intensity fuel and ethanol production16 May 2024US 2024/0160162 A1Marathon Petroleum Company LP
- Systems and methods for holistic low carbon intensity fuel and hydrogen production18 Apr 2024US 2024/0126223 A1Marathon Petroleum Company LP
Most cited
By later US patents
- Sensor for measuring alcohol content of alcohol gasoline fuel mixtures66US 5,262,645 AGeneral Motors Corporation · 1993
- Sensor for measuring alcohol content of alcohol/gasoline fuel mixtures64US 5,239,860 AGeneral Motors Corporation · 1993
- Apparatus for and method of determining a capacitance53US 4,470,300 ANissan Motor Co., Ltd. · 1984
- Process and device for determining the composition of an alcohol-petrol mixture, adapted to the automatic regulation of engines fed with fuel mixtures having a variable alcohol content47US 4,594,968 AInstitut Francais du Petrole · 1986
- Alcohol discriminator and fuel control for an internal combustion engine fueled with alcohol-gasoline fuel mixtures44US 5,179,926 AGeneral Motors Corporation · 1993