C10L 3/06
Natural gas
Official title: Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04 {(liquefying by pressure and cold treatment F25J)}
C10L3/06 (Natural gas) appears on 2,263 US grants and 2,933 published applications in this corpus.
Search patents in C10L- Granted patents
- 2,263
- Published applications
- 2,933
- Assignees
- 1,095
- Inventors
- 5,185
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 8 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 7 | 0 |
| 1998 | 27 | 0 |
| 1999 | 22 | 0 |
| 2000 | 23 | 0 |
| 2001 | 23 | 2 |
| 2002 | 17 | 25 |
| 2003 | 24 | 23 |
| 2004 | 11 | 41 |
| 2005 | 12 | 34 |
| 2006 | 21 | 50 |
| 2007 | 27 | 44 |
| 2008 | 30 | 73 |
| 2009 | 25 | 94 |
| 2010 | 44 | 120 |
| 2011 | 47 | 125 |
| 2012 | 69 | 129 |
| 2013 | 100 | 141 |
| 2014 | 116 | 154 |
| 2015 | 110 | 194 |
| 2016 | 106 | 197 |
| 2017 | 153 | 183 |
| 2018 | 165 | 208 |
| 2019 | 171 | 160 |
| 2020 | 164 | 163 |
| 2021 | 109 | 141 |
| 2022 | 126 | 146 |
| 2023 | 110 | 146 |
| 2024 | 131 | 137 |
| 2025 | 97 | 140 |
| 2026 | 61 | 63 |
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
- Hydrogen Sulphide and Mercaptan Scavenging Additive Concentrate Comprising an Oxazolidine Compound and an (Ethoxylated) Phenol Compound17 Sep 2026US 2026/0275216 A1Totalenergies Onetech
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
- Composition and method for sweetening hydrocarbons161US 4,978,512 AQuaker Chemical Corporation · 1990
- Methods and configurations for acid gas enrichment156US 7,635,408 B2Fluor Technologies Corporation · 2009