Topic leaderboard
Supplying air or gases to combustion apparatus
Ranked by the PatentIndex Score — a 1–99 percentile within F23L · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F23L patents became public in the last 2 years — the current frontier
- 199Xiaoyi He8 patents · 44 citations
- 296Gregory Allen Boardman4 patents · 37 citations
- 392Pradeep Naik6 patents · 4 citations
- 488Jeffrey H. Jan3 patents · 9 citations
- 583Spencer H. Jan3 patents · 9 citations
- 679Erwin Platvoet3 patents · 7 citations
- 775Eugene S. Genkin2 patents · 35 citations
- 871Thomas G. Mergler2 patents · 16 citations
- 967Manampathy G. Giridharan3 patents · 3 citations
- 1063Joel Kramka2 patents · 4 citations
- 1158Megan Piunti2 patents · 4 citations
- 1254Michael Sawalski2 patents · 4 citations
- 1350Montel Caruthers2 patents · 4 citations
- 1446Robert Woodruff2 patents · 4 citations
- 1542Ryan Richard Butrym2 patents · 4 citations
- 1638Steven Merrill Harrington2 patents · 4 citations
- 1733Clayton Stuart Cooper4 patents · 1 citations
- 1829Michael A. Benjamin4 patents · 1 citations
- 1925Perumallu Vukanti4 patents · 1 citations
- 2021Steven C. Vise4 patents · 1 citations
- 2117Daniel W. Peneguy3 patents · 2 citations
- 2213Brandon Michael Smith3 patents · 3 citations
- 238Curtis Holmes3 patents · 3 citations
- 244David D. Wilson3 patents · 3 citations
- 251Geoffrey L. Larson3 patents · 3 citations
Active· last 5 yrs
Sustained F23L output across the last 5 years
- 199Rodney John Allam18 patents · 624 citations
- 296Glenn William Brown, Jr.14 patents · 540 citations
- 392Miles R. Palmer12 patents · 532 citations
- 488Hisashi Kobayashi39 patents · 1,425 citations
- 583William Stuart Gatley, Jr.11 patents · 223 citations
- 679Mark Daniel D'Agostini22 patents · 223 citations
- 775Jeremy Eron Fetvedt12 patents · 149 citations
- 871Andrew P. Richardson6 patents · 274 citations
- 967Arthur W. Francis, Jr.6 patents · 157 citations
- 1063Daniel R. Higgins11 patents · 114 citations
- 1158Curtis Taylor13 patents · 101 citations
- 1254Remi Tsiava14 patents · 78 citations
- 1350James Lenertz5 patents · 57 citations
- 1446Xiaoyi He8 patents · 44 citations
- 1542James T. Cash5 patents · 46 citations
- 1638Kuang-Tsai Wu9 patents · 82 citations
- 1733Cory A. Weiss7 patents · 68 citations
- 1829Brock Alan Forrest5 patents · 61 citations
- 1925Aigbedion Akwara15 patents · 10 citations
- 2021Joshua Tyler Mook15 patents · 10 citations
- 2117Kevin Michael Vandevoorde15 patents · 10 citations
- 2213Michael Robert Notarnicola15 patents · 10 citations
- 238Mohammed El Hacin Sennoun15 patents · 10 citations
- 244Kevin J. O'Boyle12 patents · 36 citations
- 251Dale Robert Powers4 patents · 155 citations
All-time canon
Career PatentIndex Score in F23L
- 199David L. Hagen7 patents · 629 citations
- 296Louis C. Philippe10 patents · 636 citations
- 392Rodney John Allam18 patents · 624 citations
- 488Glenn William Brown, Jr.14 patents · 540 citations
- 583Miles R. Palmer12 patents · 532 citations
- 679Fermin Viteri4 patents · 864 citations
- 775Roger E. Anderson4 patents · 864 citations
- 871Lawrence E. Bool, Iii19 patents · 816 citations
- 967Hisashi Kobayashi39 patents · 1,425 citations
- 1063Harley A. Borders8 patents · 532 citations
- 1158Minish Mahendra Shah7 patents · 451 citations
- 1254Takahiro Oshita9 patents · 460 citations
- 1350Kazuo Takano7 patents · 387 citations
- 1446Shosaku Fujinami7 patents · 387 citations
- 1542Tetsuhisa Hirose7 patents · 387 citations
- 1638Mahendra Joshi11 patents · 484 citations
- 1733Ovidiu Marin15 patents · 608 citations
- 1829John Erling Anderson13 patents · 668 citations
- 1925Christian Friedrich Gottzmann5 patents · 397 citations
- 2021Olivier Charon7 patents · 467 citations
- 2117Raymond Francis Drnevich5 patents · 331 citations
- 2213Christopher A. Wiklof11 patents · 204 citations
- 238Joseph Colannino11 patents · 204 citations
- 244Grigory M. Gitman6 patents · 439 citations
- 251Douglas W. Karkow9 patents · 168 citations
Rising· last 2 yrs
The top-scoring F23L patents made public in the last 2 years
- 199US11920792B1✦ AICooling turbine engine fuel-air mixer with steam3 cites · 202480% earned
- 296US12152779B1✦ AICombustor1 cites · 202456% earned
- 392US12330115B2✦ AIMethod and apparatus for improved efficiency and flue gas scrubbing in a fired heater usin1 cites · 202467% earned
- 488US12203652B1Fire pit with fire grate0 cites · 20250% earned
- 583US12551057B1High-efficiency heating apparatus0 cites · 20260% earned
- 679US12405000B2Building emission processing and/or sequestration systems and methods0 cites · 20240% earned
- 775US12546273B2Fluidic turbo heater system0 cites · 20250% earned
- 871US12215870B2Method of operating a gas turbine combustor comprising injecting a diluent into the primar0 cites · 20240% earned
- 967US12498115B2Non-gas fire pit0 cites · 20240% earned
- 1063US12449126B2Injecting fuel-steam mixture into turbine engine combustor0 cites · 20240% earned
- 1158US12305571B2Combustor0 cites · 20250% earned
- 1254US12492815B2Apparatus and process for oxidant formation0 cites · 20250% earned
- 1350US12378492B2High protein organic materials as fuel and processes for making the same0 cites · 20240% earned
- 1446US12428296B1Process for generating clean power and hydrogen0 cites · 20250% earned
- 1542US12473846B2Systems and methods for oxy-combustion0 cites · 20240% earned
- 1638US12516809B2Burner and method for transient heating0 cites · 20240% earned
- 1733US12486978B1Flare bonnet0 cites · 20250% earned
- 1829US11927345B1Method and device to reduce emissions of nitrogen oxides and increase heat transfer in fir0 cites · 20240% earned
- 1925US12486980B2Vent gas recovery with flare control during a flare event0 cites · 20240% earned
- 2021US12287092B2Temperature control system for an air preheater installation0 cites · 20240% earned
- 2117US12584628B1Process and system for waste heat recovery from a flue gas generator0 cites · 20260% earned
- 2213US12398918B2Portable water heater0 cites · 20240% earned
- 238US12117167B2Methods and systems for denitrogenation combustion and CO2 capture and utilization in gas 0 cites · 20240% earned
- 244US12247736B2Compact refractory lined thermal oxidizer0 cites · 20240% earned
- 251US12305540B1Frequency modulation auxiliary method and device for thermal power plant based on dual ele0 cites · 20250% earned
Active· last 5 yrs
The top-scoring F23L patents of the last 5 years
- 199US11774089B1✦ AICombustible fuel burning stove with pellet adapter8 cites · 202380% earned
- 296US11125438B1✦ AISystem and method for bimodal air control in a kettle-style grill10 cites · 202175% earned
- 392US11015127B2✦ AIContinuous reflux reactor under pressure and controlled condenser system for thermochemica8 cites · 202180% earned
- 488US10909547B1System and method for plastic waste disposal8 cites · 202186% earned
- 583US11382460B2High-efficiency heating apparatus6 cites · 202171% earned
- 679US11920792B1Cooling turbine engine fuel-air mixer with steam3 cites · 202480% earned
- 775US11939526B2Vent stack lids and associated systems and methods4 cites · 202275% earned
- 871US12055292B2Premixing apparatus3 cites · 202280% earned
- 967US11953198B2Non-gas fire pit4 cites · 202175% earned
- 1063US11660577B2Fractal flow distribution system5 cites · 202284% earned
- 1158US11846426B2Gas turbine combustor having secondary fuel nozzles with plural passages for injecting a d3 cites · 202272% earned
- 1254US11421915B2Vent attachment for a tankless water heater3 cites · 202172% earned
- 1350US11441090B2High protein organic materials as fuel and processes for making the same3 cites · 202180% earned
- 1446US11079107B1Fluid flow diverter using purge fluid to create a positive pressure fluid barrier3 cites · 202180% earned
- 1542US11668460B2Regenerative burner system and method of use2 cites · 202267% earned
- 1638US12084365B2Charging water oxidation reactor using recovered reactor energy2 cites · 202167% earned
- 1733US11976610B2Constant density heat exchanger and system for energy conversion1 cites · 202333% earned
- 1829US11965456B2Fluidic turbo heater system2 cites · 202167% earned
- 1925US12152779B1Combustor1 cites · 202456% earned
- 2021US11549708B2Systems and methods for checking status of a pressure transducer2 cites · 202267% earned
- 2117US11781751B2Combustion system comprising an annular shroud burner2 cites · 202167% earned
- 2213US11703224B2Systems and methods for extending the turndown ratio of gas-fired burner systems2 cites · 202167% earned
- 238US11261117B2System and method for synchronized oxy-fuel boosting of a regenerative glass melting furna2 cites · 202176% earned
- 244US11291334B2Grill apparatus and firebox assembly for use in a grill2 cites · 202176% earned
- 251US11242989B2Combustion apparatus2 cites · 202176% earned
All-time canon
The defining F23L patents of the whole record
- 199US5724805A✦ AIPower plant with carbon dioxide capture and zero pollutant emissions449 cites · 199895% earned
- 296US7569193B2✦ AIApparatus and method for controlled combustion of gaseous pollutants393 cites · 200592% earned
- 392US5104310A✦ AIMethod for reducing the flame temperature of a burner and burner intended therefor277 cites · 199294% earned
- 488US6637183B2Semi-closed brayton cycle gas turbine power systems263 cites · 200286% earned
- 583US6910335B2Semi-closed Brayton cycle gas turbine power systems251 cites · 200486% earned
- 679US7523603B2Trifluid reactor216 cites · 200487% earned
- 775US6622470B2Semi-closed brayton cycle gas turbine power systems205 cites · 200286% earned
- 871US6202574B1Combustion method and apparatus for producing a carbon dioxide end product205 cites · 200194% earned
- 967US4622007AVariable heat generating method and apparatus197 cites · 198691% earned
- 1063US6192688B1Premixing dry low nox emissions combustor with lean direct injection of gas fule192 cites · 200191% earned
- 1158US6223737B1Pellet fuel burning device187 cites · 200194% earned
- 1254US5154599AMethod for apparatus for combusting fuel in a combustion chamber187 cites · 199294% earned
- 1350US5743723AOxy-fuel burner having coaxial fuel and oxidant outlets187 cites · 199894% earned
- 1446US5437900ASurface modified porous expanded polytetrafluoroethylene and process for making186 cites · 199594% earned
- 1542US6505567B1Oxygen fired circulating fluidized bed steam generator182 cites · 200394% earned
- 1638US4401099ASingle-ended recuperative radiant tube assembly and method178 cites · 198394% earned
- 1733US7416137B2Thermodynamic cycles using thermal diluent172 cites · 200486% earned
- 1829US6247315B1Oxidant control in co-generation installations170 cites · 200194% earned
- 1925US5759022AMethod and system for reducing NOx and fuel emissions in a furnace167 cites · 199894% earned
- 2021US10029289B2Variable-volume exhaust system167 cites · 201294% earned
- 2117US6298664B1Process for generating power including a combustion process161 cites · 200194% earned
- 2213US6047550APremixing dry low NOx emissions combustor with lean direct injection of gas fuel156 cites · 200090% earned
- 238US5462781ASurface modified porous expanded polytetrafluoroethylene and process for making152 cites · 199594% earned
- 244US8596075B2System and method for high efficiency power generation using a carbon dioxide circulating 148 cites · 201188% earned
- 251US6824710B2Working fluid compositions for use in semi-closed brayton cycle gas turbine power systems145 cites · 200285% earned
Rising· last 2 yrs
Assignees whose newest F23L patents became public in the last 2 years — the current frontier
- 199GEN ELECTRIC82 patents · 1,650 citations
- 296AIR PROD & CHEM36 patents · 522 citations
- 392HYPER FRYER LLC4 patents · 6 citations
- 488SOLO BRANDS LLC3 patents · 8 citations
- 583LAMPLIGHT FARMS INC2 patents · 4 citations
- 679CHEVRON PHILLIPS CHEMICAL CO LP3 patents · 2 citations
- 775AKBEV GROUP LLC3 patents · 3 citations
- 871JETOPTERA INC2 patents · 2 citations
- 967RAYTHEON TECH CORP2 patents · 3 citations
- 1063CARBONQUEST INC2 patents · 0 citations
- 1158BD ENERGY SYSTEMS LLC1 patents · 1 citations
- 1254Black Lambo LLC1 patents · 0 citations
- 1350BLACK SWAN LLC1 patents · 0 citations
- 1446CAMUS HYDRONICS LTD1 patents · 0 citations
- 1542GONZALEZ VICTOR1 patents · 0 citations
- 1638MERGLER THOMAS G1 patents · 0 citations
- 1733NUCOR CORP1 patents · 0 citations
- 1829ORIENTAL GIANT DYES & CHEMICAL IND CORP1 patents · 0 citations
- 1925SCHLUMBERGER TECHNOLOGY CORP1 patents · 0 citations
- 2021SHANGHAI YUANHAN ENERGY & CHEMICAL TECH CO LTD1 patents · 0 citations
- 2117SKOBERNE GMBH1 patents · 0 citations
- 2213TRINITY SYNERGIES AS1 patents · 0 citations
- 238XRG TECH LLC1 patents · 0 citations
- 244YANTAI POWER PLANT OF HUANENG SHANDONG POWER GENERATION CO LTD1 patents · 0 citations
- 251ZHONGSHAN POWTEK APPLIANCES MFG LTD1 patents · 0 citations
Active· last 5 yrs
Sustained F23L output across the last 5 years
- 199GEN ELECTRIC82 patents · 1,650 citations
- 296AIR LIQUIDE34 patents · 593 citations
- 392AIR PROD & CHEM36 patents · 522 citations
- 488SIEMENS AG17 patents · 317 citations
- 583CARRIER CORP11 patents · 166 citations
- 679CORNING INC5 patents · 190 citations
- 775RHEEM MFG CO15 patents · 89 citations
- 871HONEYWELL INT INC13 patents · 71 citations
- 9678 RIVERS CAPITAL LLC14 patents · 57 citations
- 1063JUPITER OXYGEN CORP6 patents · 101 citations
- 1158OSAKA GAS CO LTD5 patents · 73 citations
- 1254SMITH CORP A O5 patents · 96 citations
- 1350NORITZ CORP25 patents · 25 citations
- 1446KYUNGDONG NAVIEN CO LTD11 patents · 23 citations
- 1542RINNAI KK14 patents · 23 citations
- 1638GAS TECHNOLOGY INST8 patents · 28 citations
- 1733NESTER JAMES L4 patents · 9 citations
- 1829REGAL BELOIT AMERICA INC15 patents · 8 citations
- 1925HYLIION HOLDINGS CORP4 patents · 2 citations
- 2021SUNCOKE TECH & DEVELOPMENT LLC2 patents · 36 citations
- 2117COMMW SCIENT IND RES ORG2 patents · 44 citations
- 2213ANDRITZ OY3 patents · 16 citations
- 238ARVOS LJUNGSTROM LLC5 patents · 4 citations
- 244HYPER FRYER LLC4 patents · 6 citations
- 251MESSER IND USA INC4 patents · 7 citations
All-time canon
All-time PatentIndex Score in F23L
- 199AIR LIQUIDE AMERICAN27 patents · 1,126 citations
- 296GEN ELECTRIC82 patents · 1,650 citations
- 392PRAXAIR TECHNOLOGY INC60 patents · 2,207 citations
- 488CLEAN ENERGY SYSTEMS INC4 patents · 864 citations
- 583EBARA CORP20 patents · 577 citations
- 679AMERICAN COMBUSTION INC8 patents · 616 citations
- 775GAS RES INST16 patents · 637 citations
- 871BOC GROUP INC9 patents · 450 citations
- 967AIR LIQUIDE34 patents · 593 citations
- 1063CLEARSIGN COMB CORP11 patents · 204 citations
- 1158UNION CARBIDE CORP6 patents · 354 citations
- 1254INST GAS TECHNOLOGY13 patents · 501 citations
- 1350NIPPON FURNACE KOGYO KK21 patents · 495 citations
- 1446PALMER LABS LLC5 patents · 199 citations
- 1542ZINK CO JOHN17 patents · 465 citations
- 1638COMBUSTION ENG21 patents · 533 citations
- 1733COMBUSTION TEC INC5 patents · 267 citations
- 1829SRP 687 PTY LTD8 patents · 264 citations
- 1925JOHN ZINK CO LLC8 patents · 297 citations
- 2021FASCO INDUSTRIES5 patents · 213 citations
- 2117AIR PROD & CHEM36 patents · 522 citations
- 2213SIEMENS AG17 patents · 317 citations
- 238US ENERGY6 patents · 264 citations
- 244BLOOM ENG CO INC9 patents · 246 citations
- 251UNITED TECHNOLOGIES CORP8 patents · 236 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth