C10L 1/023
For spark ignition
Official title: {for spark ignition}
C10L1/023 (For spark ignition) appears on 498 US grants and 439 published applications in this corpus.
Search patents in C10L- Granted patents
- 498
- Published applications
- 439
- Assignees
- 244
- Inventors
- 1,027
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 13 | 0 |
| 1982 | 14 | 0 |
| 1983 | 24 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 14 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 20 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 13 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 0 |
| 2002 | 3 | 9 |
| 2003 | 10 | 12 |
| 2004 | 5 | 7 |
| 2005 | 0 | 10 |
| 2006 | 2 | 10 |
| 2007 | 4 | 6 |
| 2008 | 8 | 20 |
| 2009 | 8 | 17 |
| 2010 | 5 | 33 |
| 2011 | 6 | 27 |
| 2012 | 11 | 33 |
| 2013 | 22 | 28 |
| 2014 | 25 | 35 |
| 2015 | 26 | 32 |
| 2016 | 18 | 16 |
| 2017 | 21 | 33 |
| 2018 | 22 | 23 |
| 2019 | 20 | 19 |
| 2020 | 20 | 17 |
| 2021 | 19 | 13 |
| 2022 | 7 | 11 |
| 2023 | 12 | 5 |
| 2024 | 7 | 8 |
| 2025 | 7 | 8 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alcohol based unleaded automotive racing fuel21 Apr 2026US 12,606,757 B2Turn 3 Holdings LLC
- Method of producing liquid fuel blend using a carbon reducing process21 Apr 2026US 12,606,758 B2Obrist Technologies GmbH
- Gasoline production apparatus17 Mar 2026US 12,577,483 B2Honda Motor Co., Ltd.
- Sustainable jet fuel and process20 Jan 2026US 12,528,999 B2Chevron Phillips Chemical Company LP
- System and method for liquid fuel production from carbonaceous materials using recycled conditioned syngas25 Nov 2025US 12,480,061 B2ThermoChem Recovery International, Inc.
- Method and Apparatus for Non-Fossil Fuel Internal Combustion Engine27 Aug 2026US 2026/0251112 A1MayMaan Research, LLC
- Alcohol based unleaded automotive racing fuel20 Aug 2026US 2026/0242680 A1Turn 3 Holdings LLC
- Motor fuel mixed tanking scenarios30 Jul 2026US 2026/0218075 A1Keuken & De Koning B.V.
- Fuel compositions23 Jul 2026US 2026/0209624 A1Shell USA, Inc.
- Fuel and manufacture of the same11 Jun 2026US 2026/0159772 A1
Most cited
By later US patents
- Systems and methods for producing fuel compositions189US 8,506,656 B12013
- Preparation of alcohol-containing gasoline101US 6,258,987 B1BP Amoco Corporation · 2001
- Integrated process for converting methanol to gasoline and distillates75US 5,177,279 AMobil Oil Corporation · 1993
- Internal combustion system using acetylene fuel67US 6,076,487 AGo-Tec · 2000
- Internal combustion system adapted for use of a dual fuel composition including acetylene65US 6,575,147 B2Go-Tec · 2003