Y02C 20/20
Capture or disposal of greenhouse gases: of methane
Official title: of methane
Y02C20/20 (Capture or disposal of greenhouse gases: of methane) appears on 754 US grants and 788 published applications in this corpus.
Search patents in Y02C- Granted patents
- 754
- Published applications
- 788
- Assignees
- 475
- Inventors
- 1,925
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 11 | 0 |
| 1989 | 5 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 12 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 22 | 1 |
| 2002 | 8 | 6 |
| 2003 | 13 | 18 |
| 2004 | 8 | 11 |
| 2005 | 6 | 14 |
| 2006 | 8 | 15 |
| 2007 | 8 | 19 |
| 2008 | 9 | 24 |
| 2009 | 8 | 26 |
| 2010 | 21 | 32 |
| 2011 | 17 | 32 |
| 2012 | 24 | 38 |
| 2013 | 28 | 41 |
| 2014 | 37 | 43 |
| 2015 | 38 | 51 |
| 2016 | 39 | 44 |
| 2017 | 39 | 53 |
| 2018 | 33 | 63 |
| 2019 | 39 | 47 |
| 2020 | 46 | 48 |
| 2021 | 35 | 51 |
| 2022 | 38 | 49 |
| 2023 | 36 | 30 |
| 2024 | 33 | 17 |
| 2025 | 25 | 10 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for continuously obtaining carbon dioxide and device for carrying out this method28 Apr 2026US 12,611,627 B2Zentrum FüR Sonnenenergie- Und Wasserstoff-Forschung Baden-WüRttemberg GemeinnüTzige Stiftung
- Methane oxidation catalyst and method of using same24 Feb 2026US 12,558,673 B2His Majesty the King In Right of Canada, AS Represented By the Minister of Natural Resources
- Systems and methods for gas storage and transportation17 Feb 2026US 12,551,863 B2ExxonMobil Technology and Engineering Company
- Systems for aggregating and processing of biogas to biomethane10 Feb 2026US 12,544,712 B2California Bioenergy, LLC
- Exhaust gas emissions abatement system13 Jan 2026US 12,521,696 B2Shell USA, Inc.
- Pressure swing adsorption facility27 Aug 2026US 2026/0249231 A1Institute for Advanced Engineering
- Systems for aggregating and processing of biogas to biomethane18 Jun 2026US 2026/0166482 A1California Bioenergy, LLC
- Carbon dioxide separation membranes and process9 Apr 2026US 2026/0097370 A1Compact Membrane Systems, Inc.
- Collecting a gaseous pollutant from air12 Mar 2026US 2026/0070013 A1MOVA Technologies, Inc.
- Apparatus and method for methane combustion of ruminant animals8 Jan 2026US 2026/0009535 A1
Most cited
By later US patents
- Selective adsorption process139US 3,986,849 AUnion Carbide Corporation · 1976
- Process for separating components of a gas stream137US 4,701,187 AAir Products and Chemicals, Inc. · 1987
- Extraction and concentration of a gas component117US 5,082,473 A1992
- Hydrogen purification by selective adsorption111US 4,077,779 AAir Products and Chemicals, Inc. · 1978
- Landfill gas recovery system and method with pressure symmetry104US 4,469,176 AGetty Synthetic Fuels, Inc. · 1984