Topic leaderboard
Capture & storage of greenhouse gases
Ranked by the PatentIndex Score — a 1–99 percentile within Y02C · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest Y02C patents became public in the last 2 years — the current frontier
- 199Brent R. Constantz42 patents · 1,694 citations
- 296Rodney John Allam23 patents · 838 citations
- 392Joseph A. Patchett16 patents · 495 citations
- 488Zachary D. Thobe6 patents · 178 citations
- 583Anna Lee Tonkovich9 patents · 298 citations
- 679Hiroshi Tanaka64 patents · 369 citations
- 775Takuya Hirata57 patents · 245 citations
- 871Joe David Jones11 patents · 170 citations
- 967Ian Martin7 patents · 121 citations
- 1063Peter Quigley7 patents · 121 citations
- 1158Esam Z. Hamad18 patents · 181 citations
- 1254Mark Bewernitz18 patents · 121 citations
- 1350Jacob Schneider20 patents · 113 citations
- 1446Tatsuya Tsujiuchi55 patents · 173 citations
- 1542Andrew J. Campanella5 patents · 108 citations
- 1638Joseph G. Michels5 patents · 108 citations
- 1733Nathan Pallo5 patents · 108 citations
- 1829Ananda K. Nagavarapu22 patents · 87 citations
- 1925Takashi Kamijo60 patents · 116 citations
- 2021Trevor Alan Hatton21 patents · 74 citations
- 2117Benjamin Bikson10 patents · 85 citations
- 2213Paul Feron14 patents · 92 citations
- 238Brock Alan Forrest8 patents · 49 citations
- 244Georg Sieder23 patents · 80 citations
- 251Xijia Lu10 patents · 47 citations
Active· last 5 yrs
Sustained Y02C output across the last 5 years
- 199Brent R. Constantz42 patents · 1,694 citations
- 296Chris Camire17 patents · 799 citations
- 392Timothy Christopher Golden46 patents · 1,999 citations
- 488Allen B. Wright26 patents · 773 citations
- 583Klaus S. Lackner40 patents · 922 citations
- 679Omar M. Yaghi18 patents · 673 citations
- 775Peter I. Ravikovitch23 patents · 627 citations
- 871Daniel P. Leta17 patents · 411 citations
- 967William B. Dolan17 patents · 713 citations
- 1063Rodney John Allam23 patents · 838 citations
- 1158Joseph A. Patchett16 patents · 495 citations
- 1254Joseph C. Dettling12 patents · 360 citations
- 1350William J. Koros38 patents · 536 citations
- 1446Jeffrey Raymond Hufton15 patents · 529 citations
- 1542Richard W. Baker34 patents · 870 citations
- 1638Preeti Kamakoti16 patents · 358 citations
- 1733Mohamed Eddaoudi46 patents · 536 citations
- 1829Amy Rowat9 patents · 233 citations
- 1925David A. Weitz9 patents · 233 citations
- 2021Hakim Boukellal9 patents · 233 citations
- 2117Jeremy Agresti9 patents · 233 citations
- 2213Seth Fraden9 patents · 233 citations
- 238Seila Selimovic9 patents · 233 citations
- 244Yanwei Jia9 patents · 233 citations
- 251Christian Monereau31 patents · 547 citations
All-time canon
Career PatentIndex Score in Y02C
- 199Harold J. Vinegar91 patents · 20,678 citations
- 296Scott Lee Wellington89 patents · 20,179 citations
- 392Eric Pierre De Rouffignac84 patents · 19,009 citations
- 488Etuan Zhang65 patents · 14,495 citations
- 583Robert Charles Ryan64 patents · 14,153 citations
- 679Thomas David Fowler64 patents · 14,153 citations
- 775Ilya Emil Berchenko79 patents · 17,938 citations
- 871George Leo Stegemeier68 patents · 15,034 citations
- 967Gordon Thomas Shahin, Jr.41 patents · 9,280 citations
- 1063Kevin Albert Maher34 patents · 7,482 citations
- 1158John Michael Karanikas45 patents · 9,984 citations
- 1254Robert Martijn Van Hardeveld11 patents · 2,465 citations
- 1350Bruce Gerard Hunsucker5 patents · 1,274 citations
- 1446Lanny Gene Schoeling5 patents · 1,091 citations
- 1542Meliha Deniz Sumnu-Dindoruk8 patents · 1,773 citations
- 1638Charles Robert Keedy4 patents · 882 citations
- 1733Ajay Madhav Madgavkar4 patents · 873 citations
- 1829James Louis Menotti4 patents · 830 citations
- 1925John Matthew Coles4 patents · 830 citations
- 2021Brent R. Constantz42 patents · 1,694 citations
- 2117Kasra Farsad14 patents · 1,317 citations
- 2213Sebastien Raoux7 patents · 1,363 citations
- 238Charles C. Hill5 patents · 750 citations
- 244Graham Walker5 patents · 750 citations
- 251Scott C. Honkonen5 patents · 750 citations
Rising· last 2 yrs
The top-scoring Y02C patents made public in the last 2 years
- 199US12139682B1✦ AISystem and method for producing renewable natural gas from biogas8 cites · 202480% earned
- 296US11980846B1✦ AISystem and method for producing renewable natural gas from biogas12 cites · 202488% earned
- 392US12454654B1✦ AISystem and method for producing renewable natural gas from biogas4 cites · 202582% earned
- 488US11986769B1Carbon mineralization using hyaloclastite, volcanic ash and pumice mineral and an alkaline5 cites · 202477% earned
- 583US12005390B1Hybrid carbon dioxide removal systems4 cites · 202475% earned
- 679US12220661B1Direct capture of carbon dioxide2 cites · 202558% earned
- 775US12285721B1Devices, methods, and systems for capturing and sequestering atmospheric gases3 cites · 202567% earned
- 871US12017179B1Interfacial surface structures for carbon dioxide removal systems3 cites · 202467% earned
- 967US12378491B1System and method for producing renewable natural gas from biogas1 cites · 202567% earned
- 1063US11946344B2Sequestration of carbon in saline aquifers3 cites · 202480% earned
- 1158US12203401B2Scalable greenhouse gas capture systems and methods1 cites · 202440% earned
- 1254US12282006B2Enhanced reliability and calibration of landfill gas measurement and control devices1 cites · 202450% earned
- 1350US12179142B1Mixed matrix membrane with a covalent organic framework for selective CO2 separation1 cites · 202456% earned
- 1446US12338740B2Carbon capture system and method with recuperative power recovery1 cites · 202467% earned
- 1542US12303830B2Combustion system having a fuel cell and a carbon capture system1 cites · 202467% earned
- 1638US12128351B1Skid-mounted flue gas injection equipment and method with adjustable CO2 enrichment degree1 cites · 202467% earned
- 1733USD1099726SCarbon dioxide adsorption device1 cites · 202567% earned
- 1829US12121851B1Wellhead carbon capture, utilization, and storage using mixed matrix membranes1 cites · 202467% earned
- 1925US12172125B1High performance CO2 capture solvent compositions, and CO2 capture systems and processes u1 cites · 202467% earned
- 2021US12151206B1Direct air capture of carbon dioxide1 cites · 202467% earned
- 2117US12478914B2System and method of CO2 thermal swing adsorption with wet regeneration and hot drying1 cites · 202456% earned
- 2213US12201963B1System and method for carbon dioxide removal by direct air capture1 cites · 202556% earned
- 238US12276459B2Systems and methods for periodic nodal surface based reactors, distributors, contractors a1 cites · 202456% earned
- 244US12203184B2Multi-chambered electrochemical cell for carbon dioxide removal1 cites · 202456% earned
- 251US11944942B1Polyether block polyamide/polydimethylsiloxane composite membrane for gas separation, and 1 cites · 202467% earned
Active· last 5 yrs
The top-scoring Y02C patents of the last 5 years
- 199US11578638B2✦ AIScalable greenhouse gas capture systems and methods73 cites · 202281% earned
- 296US11766636B1✦ AIModular open systems architecture direct air capture platform21 cites · 202385% earned
- 392US11266943B1✦ AISystem and method for improving the performance and lowering the cost of atmospheric carbo29 cites · 202291% earned
- 488US11851723B2Carbon-negative metallurgical products22 cites · 202280% earned
- 583US10934918B1Combined urea hydrolysis and selective catalytic reduction for emissions control29 cites · 202191% earned
- 679US12139682B1System and method for producing renewable natural gas from biogas8 cites · 202480% earned
- 775US11980846B1System and method for producing renewable natural gas from biogas12 cites · 202488% earned
- 871US12454654B1System and method for producing renewable natural gas from biogas4 cites · 202582% earned
- 967US11389761B1System and method for improving the performance and lowering the cost of atmospheric carbo19 cites · 202281% earned
- 1063US11977062B2Designs for enhanced reliability and calibration of landfill gas measurement and control d8 cites · 202376% earned
- 1158US11865594B2Greenhouse gas emissions control13 cites · 202279% earned
- 1254US11612853B1Fully automated direct air capture carbon dioxide processing system10 cites · 202381% earned
- 1350US11535514B2System and method for recycling pressure swing absorber off-gas12 cites · 202188% earned
- 1446US11583824B2Hydrogen production with membrane reformer14 cites · 202189% earned
- 1542US11465094B2PSA separation-purification system and process integrated with water gas shift reaction pr14 cites · 202189% earned
- 1638US11491456B2Hydrogen reforming system13 cites · 202188% earned
- 1733US11485637B2Process for purifying a synthesis gas13 cites · 202288% earned
- 1829US11760631B2Method of producing a cooled syngas of improved quality10 cites · 202264% earned
- 1925US11746301B2Method and system for producing a chemical or fuel8 cites · 202269% earned
- 2021US11618676B2Systems and methods for increasing the hydrogen permeance of hydrogen-separation membranes12 cites · 202279% earned
- 2117US11629067B1Ocean alkalinity system and method for capturing atmospheric carbon dioxide8 cites · 202376% earned
- 2213US11067335B1Devices, systems, facilities, and processes for liquefied natural gas production12 cites · 202182% earned
- 238US10913911B1Chemical compositions and treatment systems and treatment methods using same for remediati12 cites · 202188% earned
- 244US11266951B1System and method for improving the performance and lowering the cost of atmospheric carbo10 cites · 202287% earned
- 251US11904299B2TWC system for fuel cut NOx control14 cites · 202189% earned
All-time canon
The defining Y02C patents of the whole record
- 199US6863019B2✦ AISemiconductor device fabrication chamber cleaning method and apparatus with recirculation 608 cites · 200395% earned
- 296US5972196A✦ AIElectrochemical production of ozone and hydrogen peroxide572 cites · 199990% earned
- 392US4960488A✦ AIReactor chamber self-cleaning process529 cites · 199095% earned
- 488US6131571AVentilation apparatus and anesthesia delivery system490 cites · 200095% earned
- 583US5928426AMethod and apparatus for treating exhaust gases from CVD, PECVD or plasma etch reactors468 cites · 199995% earned
- 679US6412559B1Process for recovering methane and/or sequestering fluids453 cites · 200295% earned
- 775US6389814B2Hydrocarbon combustion power generation system with CO2 sequestration399 cites · 200188% earned
- 871US6488774B1Trap apparatus378 cites · 200294% earned
- 967US7011154B2In situ recovery from a kerogen and liquid hydrocarbon containing formation375 cites · 200394% earned
- 1063US6688387B1In situ thermal processing of a hydrocarbon containing formation to produce a hydrocarbon 368 cites · 200473% earned
- 1158US6635185B2Method of etching and cleaning using fluorinated carbonyl compounds352 cites · 200294% earned
- 1254US6712136B2In situ thermal processing of a hydrocarbon containing formation using a selected producti351 cites · 200273% earned
- 1350US5261490AMethod for dumping and disposing of carbon dioxide gas and apparatus therefor347 cites · 199394% earned
- 1446US6581684B2In Situ thermal processing of a hydrocarbon containing formation to produce sulfur contain334 cites · 200273% earned
- 1542US7096942B1In situ thermal processing of a relatively permeable formation while controlling pressure321 cites · 200683% earned
- 1638US4336233ARemoval of CO2 and/or H2 S and/or COS from gases containing these constituents317 cites · 198294% earned
- 1733US6722431B2In situ thermal processing of hydrocarbons within a relatively permeable formation305 cites · 200372% earned
- 1829US6170264B1Hydrocarbon combustion power generation system with CO2 sequestration305 cites · 200188% earned
- 1925US6732796B2In situ production of synthesis gas from a hydrocarbon containing formation, the synthesis303 cites · 200272% earned
- 2021US6126723AMicrocomponent assembly for efficient contacting of fluid298 cites · 200094% earned
- 2117US6742588B2In situ thermal processing of a hydrocarbon containing formation to produce formation flui294 cites · 200272% earned
- 2213US6715546B2In situ production of synthesis gas from a hydrocarbon containing formation through a heat292 cites · 200394% earned
- 238US6591906B2In situ thermal processing of a hydrocarbon containing formation with a selected oxygen co291 cites · 200272% earned
- 244US5518528AStorage and delivery system for gaseous hydride, halide, and organometallic group V compou289 cites · 199688% earned
- 251US5516497AStaged metal-promoted zeolite catalysts and method for catalytic reduction of nitrogen oxi289 cites · 199691% earned
Rising· last 2 yrs
Assignees whose newest Y02C patents became public in the last 2 years — the current frontier
- 199AIR PROD & CHEM184 patents · 9,071 citations
- 296US ENERGY25 patents · 1,377 citations
- 392UNIV CALIFORNIA46 patents · 984 citations
- 488MITSUBISHI HEAVY IND LTD113 patents · 1,409 citations
- 583MARATHON PETROLEUM CO LP6 patents · 178 citations
- 679CHEVRON USA INC29 patents · 433 citations
- 775SCHLUMBERGER TECHNOLOGY CORP20 patents · 347 citations
- 871UNIV TEXAS15 patents · 215 citations
- 967MASSACHUSETTS INST TECHNOLOGY32 patents · 345 citations
- 1063SAUDI ARABIAN OIL CO115 patents · 450 citations
- 1158LOCI CONTROLS INC7 patents · 121 citations
- 1254NGK INSULATORS LTD26 patents · 164 citations
- 1350SAMSUNG ELECTRONICS CO LTD24 patents · 108 citations
- 14468 RIVERS CAPITAL LLC20 patents · 93 citations
- 1542UNIV KING ABDULLAH SCI & TECH49 patents · 88 citations
- 1638UT BATTELLE LLC15 patents · 92 citations
- 1733L LIVERMORE NAT SECURITY LLC24 patents · 73 citations
- 1829BASF SE40 patents · 102 citations
- 1925HALDOR TOPSOE AS9 patents · 60 citations
- 2021UNIV KING FAHD PET & MINERALS39 patents · 56 citations
- 2117RES TRIANGLE INST17 patents · 120 citations
- 2213BLUE PLANET SYSTEMS CORP17 patents · 32 citations
- 238KAWASAKI HEAVY IND LTD12 patents · 128 citations
- 244CALGON CARBON CORP10 patents · 38 citations
- 251AIRMYNE INC7 patents · 26 citations
Active· last 5 yrs
Sustained Y02C output across the last 5 years
- 199SHELL OIL CO145 patents · 21,768 citations
- 296APPLIED MATERIALS INC54 patents · 2,705 citations
- 392AIR PROD & CHEM184 patents · 9,071 citations
- 488US ENERGY25 patents · 1,377 citations
- 583BATTELLE MEMORIAL INSTITUTE29 patents · 1,233 citations
- 679EXXONMOBIL UPSTREAM RES CO33 patents · 1,042 citations
- 775UNIV CALIFORNIA46 patents · 984 citations
- 871AIR LIQUIDE187 patents · 2,633 citations
- 967PRAXAIR TECHNOLOGY INC85 patents · 3,036 citations
- 1063GEN ELECTRIC46 patents · 941 citations
- 1158MITSUBISHI HEAVY IND LTD113 patents · 1,409 citations
- 1254EXXONMOBIL RES & ENG CO58 patents · 732 citations
- 1350UOP LLC97 patents · 1,174 citations
- 1446SIEMENS AG23 patents · 682 citations
- 1542TOKYO ELECTRON LTD27 patents · 606 citations
- 1638JOHNSON MATTHEY PLC55 patents · 722 citations
- 1733MARATHON PETROLEUM CO LP6 patents · 178 citations
- 1829CHEVRON USA INC29 patents · 433 citations
- 1925BASF CORP57 patents · 366 citations
- 20213M INNOVATIVE PROPERTIES CO15 patents · 287 citations
- 2117TOSHIBA KK73 patents · 485 citations
- 2213UNIV COLUMBIA8 patents · 268 citations
- 238SCHLUMBERGER TECHNOLOGY CORP20 patents · 347 citations
- 244FLUOR TECH CORP34 patents · 367 citations
- 251ENVERID SYSTEMS INC29 patents · 341 citations
All-time canon
All-time PatentIndex Score in Y02C
- 199SHELL OIL CO145 patents · 21,768 citations
- 296APPLIED MATERIALS INC54 patents · 2,705 citations
- 392ADVANCED TECH MATERIALS14 patents · 1,201 citations
- 488AIR PROD & CHEM184 patents · 9,071 citations
- 583CALERA CORP13 patents · 1,127 citations
- 679EXXON RESEARCH ENGINEERING CO28 patents · 1,696 citations
- 775ENGELHARD CORP18 patents · 1,632 citations
- 871US ENERGY25 patents · 1,377 citations
- 967UNITED TECHNOLOGIES CORP15 patents · 1,099 citations
- 1063CONSTANTZ BRENT R6 patents · 457 citations
- 1158LYNNTECH INC9 patents · 1,306 citations
- 1254BATTELLE MEMORIAL INSTITUTE29 patents · 1,233 citations
- 1350EXXONMOBIL UPSTREAM RES CO33 patents · 1,042 citations
- 1446EXXON PRODUCTION RESEARCH CO8 patents · 991 citations
- 1542QUESTAIR TECHNOLOGIES INC8 patents · 952 citations
- 1638BOC GROUP INC64 patents · 3,398 citations
- 1733UNIV CALIFORNIA46 patents · 984 citations
- 1829AIR LIQUIDE187 patents · 2,633 citations
- 1925UOP INC21 patents · 1,259 citations
- 2021KOCH PROCESS SYSTEMS INC8 patents · 758 citations
- 2117KANSAI ELECTRIC POWER CO21 patents · 1,163 citations
- 2213PRAXAIR TECHNOLOGY INC85 patents · 3,036 citations
- 238GEN ELECTRIC46 patents · 941 citations
- 244UNION CARBIDE CORP37 patents · 2,024 citations
- 251MITSUBISHI HEAVY IND LTD113 patents · 1,409 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth