Y02C 20/40
Capture or disposal of greenhouse gases: of co2
Official title: of CO2
Y02C20/40 (Capture or disposal of greenhouse gases: of co2) appears on 6,497 US grants and 8,430 published applications in this corpus.
Search patents in Y02C- Granted patents
- 6,497
- Published applications
- 8,430
- Assignees
- 2,389
- Inventors
- 13,564
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 26 | 0 |
| 1978 | 25 | 0 |
| 1979 | 14 | 0 |
| 1980 | 22 | 0 |
| 1981 | 27 | 0 |
| 1982 | 33 | 0 |
| 1983 | 27 | 0 |
| 1984 | 41 | 0 |
| 1985 | 36 | 0 |
| 1986 | 26 | 0 |
| 1987 | 36 | 0 |
| 1988 | 45 | 0 |
| 1989 | 39 | 0 |
| 1990 | 39 | 0 |
| 1991 | 28 | 0 |
| 1992 | 42 | 0 |
| 1993 | 25 | 0 |
| 1994 | 29 | 0 |
| 1995 | 24 | 0 |
| 1996 | 25 | 0 |
| 1997 | 44 | 0 |
| 1998 | 44 | 0 |
| 1999 | 62 | 0 |
| 2000 | 61 | 0 |
| 2001 | 73 | 21 |
| 2002 | 68 | 145 |
| 2003 | 93 | 124 |
| 2004 | 105 | 92 |
| 2005 | 68 | 89 |
| 2006 | 73 | 122 |
| 2007 | 51 | 129 |
| 2008 | 73 | 195 |
| 2009 | 77 | 216 |
| 2010 | 149 | 384 |
| 2011 | 155 | 411 |
| 2012 | 221 | 465 |
| 2013 | 344 | 454 |
| 2014 | 342 | 409 |
| 2015 | 305 | 436 |
| 2016 | 325 | 388 |
| 2017 | 335 | 385 |
| 2018 | 322 | 411 |
| 2019 | 345 | 365 |
| 2020 | 321 | 375 |
| 2021 | 289 | 394 |
| 2022 | 283 | 385 |
| 2023 | 346 | 550 |
| 2024 | 337 | 475 |
| 2025 | 356 | 571 |
| 2026 | 209 | 439 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Process for recovering methane and/or sequestering fluids405US 6,412,559 B1Alberta Research Council · 2002
- Hydrocarbon combustion power generation system with CO2 sequestration337US 6,389,814 B1Clean Energy Systems, Inc. · 2002
- In situ recovery from a kerogen and liquid hydrocarbon containing formation332US 7,011,154 B2Shell Oil Company · 2006
- In situ thermal processing of a hydrocarbon containing formation using a selected production well spacing311US 6,712,136 B2Shell Oil Company · 2004
- In situ thermal processing of a relatively permeable formation while controlling pressure306US 7,096,942 B1Shell Oil Company · 2006