Y02C 20/00
Capture or disposal of greenhouse gases
Y02C20/00 (Capture or disposal of greenhouse gases) appears on 8,154 US grants and 10,180 published applications in this corpus.
Search patents in Y02C- Granted patents
- 8,154
- Published applications
- 10,180
- Assignees
- 3,002
- Inventors
- 17,278
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 29 | 0 |
| 1978 | 37 | 0 |
| 1979 | 21 | 0 |
| 1980 | 24 | 0 |
| 1981 | 31 | 0 |
| 1982 | 36 | 0 |
| 1983 | 33 | 0 |
| 1984 | 46 | 0 |
| 1985 | 42 | 0 |
| 1986 | 28 | 0 |
| 1987 | 39 | 0 |
| 1988 | 49 | 0 |
| 1989 | 46 | 0 |
| 1990 | 51 | 0 |
| 1991 | 36 | 0 |
| 1992 | 63 | 0 |
| 1993 | 42 | 0 |
| 1994 | 47 | 0 |
| 1995 | 45 | 0 |
| 1996 | 44 | 0 |
| 1997 | 62 | 0 |
| 1998 | 73 | 0 |
| 1999 | 95 | 0 |
| 2000 | 103 | 0 |
| 2001 | 127 | 43 |
| 2002 | 121 | 204 |
| 2003 | 143 | 195 |
| 2004 | 140 | 159 |
| 2005 | 114 | 138 |
| 2006 | 99 | 174 |
| 2007 | 84 | 193 |
| 2008 | 103 | 258 |
| 2009 | 118 | 291 |
| 2010 | 198 | 461 |
| 2011 | 205 | 487 |
| 2012 | 264 | 524 |
| 2013 | 400 | 533 |
| 2014 | 412 | 468 |
| 2015 | 364 | 542 |
| 2016 | 389 | 469 |
| 2017 | 412 | 482 |
| 2018 | 391 | 521 |
| 2019 | 414 | 450 |
| 2020 | 401 | 461 |
| 2021 | 356 | 471 |
| 2022 | 340 | 447 |
| 2023 | 399 | 625 |
| 2024 | 388 | 516 |
| 2025 | 408 | 601 |
| 2026 | 228 | 467 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- Y02C 20/40Capture or disposal of greenhouse gases: of co26,497
- Y02C 20/10Capture or disposal of greenhouse gases: of nitrous oxide854
- Y02C 20/20Capture or disposal of greenhouse gases: of methane754
- Y02C 20/30Capture or disposal of greenhouse gases: of perfluorocarbons [pfc], hydrofluorocarbons [hfc] or564
Recent patents
- Systems and methods for determining reactivity indices for carbon dioxide sequestration29 Sep 2026US 12,747,651 B2Schlumberger Technology Corporation
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Chemical additives for direct air carbon capture25 Aug 2026US 12,714,966 B2Halliburton Energy Services.Inc.
- Carbon dioxide recovery system25 Aug 2026US 12,714,967 B2Mitsubishi Heavy Industries, Ltd.
- System and method for separating a gas mixture25 Aug 2026US 12,714,968 B2Haffmans B.V.
- Method Of Abating Carbon Dioxide And Hydrogen Sulfide1 Oct 2026US 2026/0295509 A1Barnard College
- Supported poly(allyl)amine and derivatives for co2 capture from flue gas or ultra-dilute gas streams such as ambient air or admixtures thereof24 Sep 2026US 2026/0284637 A1Georgia Tech Research Corporation
- Electrodialyzer and Electrodialysis System for CO2 Capture from Ocean Water17 Sep 2026US 2026/0274718 A1California Institute of Technology
- Method of generating energy from sequestered supercritical carbon dioxide17 Sep 2026US 2026/0275831 A1Halliburton Energy Services.Inc.
- Manipulation of fluids, fluid components and reactions in microfluidic systems10 Sep 2026US 2026/0264083 A1Brandeis University
Most cited
By later US patents
- Semiconductor device fabrication chamber cleaning method and apparatus with recirculation of cleaning gas571US 6,863,019 B2APPLIED Materials.Inc. · 2005
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Method and apparatus for treating exhaust gases from CVD, PECVD or plasma etch reactors430US 5,928,426 ANovellus Systems, Inc. · 1999
- Reactor chamber self-cleaning process410US 4,960,488 AAPPLIED Materials.Inc. · 1990
- Process for recovering methane and/or sequestering fluids405US 6,412,559 B1Alberta Research Council · 2002