C10L 3/00
Gaseous fuels
Official title: Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
C10L3/00 (Gaseous fuels) appears on 2,588 US grants and 3,286 published applications in this corpus.
Search patents in C10L- Granted patents
- 2,588
- Published applications
- 3,286
- Assignees
- 1,244
- Inventors
- 5,930
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 16 | 0 |
| 1978 | 4 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 12 | 0 |
| 1990 | 14 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 12 | 0 |
| 1994 | 6 | 0 |
| 1995 | 16 | 0 |
| 1996 | 18 | 0 |
| 1997 | 10 | 0 |
| 1998 | 33 | 0 |
| 1999 | 29 | 0 |
| 2000 | 34 | 0 |
| 2001 | 35 | 6 |
| 2002 | 20 | 35 |
| 2003 | 33 | 32 |
| 2004 | 16 | 54 |
| 2005 | 17 | 43 |
| 2006 | 29 | 65 |
| 2007 | 33 | 59 |
| 2008 | 35 | 90 |
| 2009 | 28 | 121 |
| 2010 | 56 | 132 |
| 2011 | 51 | 136 |
| 2012 | 78 | 136 |
| 2013 | 106 | 154 |
| 2014 | 127 | 174 |
| 2015 | 117 | 217 |
| 2016 | 120 | 219 |
| 2017 | 168 | 194 |
| 2018 | 174 | 226 |
| 2019 | 185 | 172 |
| 2020 | 181 | 171 |
| 2021 | 119 | 153 |
| 2022 | 135 | 155 |
| 2023 | 120 | 158 |
| 2024 | 138 | 154 |
| 2025 | 104 | 158 |
| 2026 | 68 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Method for regulating and controlling generated crystal form of natural gas hydrate29 Sep 2026US 12,747,405 B2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
- Gas separation system and method for producing methane-enriched gas15 Sep 2026US 12,734,474 B2Ube Corporation
- System and method for promoting generation of gas hydrates by wall-climbing process15 Sep 2026US 12,735,651 B2Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences
- Process and apparatus for removing unwanted components from a gas mixture8 Sep 2026US 12,728,382 B2Linde Aktiengesellschaft
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Co2 and h2o co-electrolyser system8 Oct 2026US 2026/0308775 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Propane-position carbon isotope testing method and testing system8 Oct 2026US 2026/0309682 A1China Petroleum & Chemical Corporation
- Production of renewable fuel from nutrient-laden waste by a reduced-carbon process1 Oct 2026US 2026/0297429 A1Kore Infrastructure
- Power generation and methods regarding same24 Sep 2026US 2026/0286883 A1Brilliant Light Power, Inc.
Most cited
By later US patents
- Process for preparing methane rich gases294US 4,130,575 AHaldor Topsoe A/S · 1978
- Production of substitute natural gas289US 4,133,825 ABritish Gas Corporation · 1979
- Method for the production of hydrogen-containing gaseous mixtures233US 6,685,754 B2Alchemix Corporation · 2004
- Remedial system: a pollution control device for utilizing and abating volatile organic compounds178US 8,776,734 B1Innovative Environmental Solutions, LLC · 2014
- Composition and method for sweetening hydrocarbons161US 4,978,512 AQuaker Chemical Corporation · 1990