Topic leaderboard
Combustion using fluent fuel
Ranked by the PatentIndex Score — a 1–99 percentile within F23C · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F23C patents became public in the last 2 years — the current frontier
- 199Michael Joseph Moore23 patents · 550 citations
- 296Bertrand Ray Klussmann21 patents · 443 citations
- 392Carter James White17 patents · 388 citations
- 488Michael A. Benjamin14 patents · 173 citations
- 583Curtis Taylor24 patents · 241 citations
- 679Gregory Allen Boardman12 patents · 82 citations
- 775Pekka Lehtonen7 patents · 135 citations
- 871Jason A. Ryon14 patents · 77 citations
- 967Xiaoyi He12 patents · 57 citations
- 1063Philip E. O. Buelow5 patents · 57 citations
- 1158Rodney John Allam9 patents · 78 citations
- 1254Ray R. Stone6 patents · 28 citations
- 1350Yoshitaka Hirata4 patents · 127 citations
- 1446Pradeep Naik11 patents · 24 citations
- 1542Clayton Stuart Cooper6 patents · 7 citations
- 1638Steven C. Vise6 patents · 6 citations
- 1733Bradley Dean Patterson4 patents · 8 citations
- 1829Srivats Srinivasachar3 patents · 51 citations
- 1925Perumallu Vukanti5 patents · 4 citations
- 2021Bengt-Ake Andersson10 patents · 4 citations
- 2117Fredrik Lind8 patents · 4 citations
- 2213Erwin Platvoet4 patents · 7 citations
- 238Saket Singh4 patents · 4 citations
- 244Eugene S. Genkin2 patents · 35 citations
- 251Brandon P. Williams4 patents · 6 citations
Active· last 5 yrs
Sustained F23C output across the last 5 years
- 199Michael Joseph Moore23 patents · 550 citations
- 296Bertrand Ray Klussmann21 patents · 443 citations
- 392Carter James White17 patents · 388 citations
- 488Christopher A. Wiklof69 patents · 778 citations
- 583Lance L. Smith10 patents · 417 citations
- 679Hisashi Kobayashi37 patents · 1,153 citations
- 775Lev Alexander Prociw18 patents · 423 citations
- 871Michael A. Benjamin14 patents · 173 citations
- 967Douglas W. Karkow30 patents · 198 citations
- 1063Andrew P. Richardson6 patents · 318 citations
- 1158Thomas F. Robertson24 patents · 386 citations
- 1254Darton J. Zink11 patents · 330 citations
- 1350Mark Daniel D'Agostini24 patents · 409 citations
- 1446Tim Kirk9 patents · 313 citations
- 1542Arthur W. Francis, Jr.7 patents · 211 citations
- 1638Joachim A. Wünning16 patents · 293 citations
- 1733Kenji Kiyama19 patents · 314 citations
- 1829Rex K. Isaacs10 patents · 304 citations
- 1925Curtis Taylor24 patents · 241 citations
- 2021Donald Kendrick16 patents · 178 citations
- 2117Joachim G. Wünning13 patents · 307 citations
- 2213Mark C. Hannum10 patents · 160 citations
- 238Toshihiko Saito10 patents · 114 citations
- 244Gregory Allen Boardman12 patents · 82 citations
- 251Pekka Lehtonen7 patents · 135 citations
All-time canon
Career PatentIndex Score in F23C
- 199Thomas Mikus10 patents · 2,462 citations
- 296Harold J. Vinegar6 patents · 2,079 citations
- 392Momtaz N. Mansour15 patents · 1,457 citations
- 488David W. Warren5 patents · 743 citations
- 583Kanda-Swamy Durai-Swamy5 patents · 743 citations
- 679Michael Joseph Moore23 patents · 550 citations
- 775Bertrand Ray Klussmann21 patents · 443 citations
- 871Narendra Digamber Joshi16 patents · 1,389 citations
- 967Robert E. Schwartz10 patents · 1,030 citations
- 1063Samuel O. Napier7 patents · 962 citations
- 1158Carter James White17 patents · 388 citations
- 1254David L. Hagen7 patents · 629 citations
- 1350Toru Shoji5 patents · 716 citations
- 1446Louis C. Philippe7 patents · 610 citations
- 1542Mahendra Joshi23 patents · 1,256 citations
- 1638William C. Pfefferle30 patents · 1,069 citations
- 1733Ralph A. Dalla Betta11 patents · 1,101 citations
- 1829David Yee7 patents · 657 citations
- 1925Paul M. Rodden7 patents · 682 citations
- 2021Andrew Paul Jones8 patents · 637 citations
- 2117Norman L. Dickinson12 patents · 948 citations
- 2213Kazunori Tsurumi6 patents · 628 citations
- 238Robert E. Davis7 patents · 615 citations
- 244Kenneth W. Beebe7 patents · 605 citations
- 251Iñigo Albizuri11 patents · 315 citations
Rising· last 2 yrs
The top-scoring F23C patents made public in the last 2 years
- 199US12298008B2✦ AIFuel system with radially arranged injectors for hydrogen-driven gas turbine engine3 cites · 202472% earned
- 296US11911754B1✦ AI3D-printed catalyst bed2 cites · 202476% earned
- 392US11988178B2✦ AISystem and methods for propulsion and powering systems using recyclable metallic fuels2 cites · 202476% earned
- 488US12303830B2Combustion system having a fuel cell and a carbon capture system1 cites · 202467% earned
- 583US12076718B2Systems and methods for pyrolysis reactions1 cites · 202456% earned
- 679US12196414B2Device and method for sorting a particulate stream1 cites · 202467% earned
- 775US12359133B2Process and device for treating high sulfur heavy marine fuel oil for use as feedstock in 0 cites · 20240% earned
- 871US12358793B2Methods and apparatuses for hydrogen production0 cites · 20240% earned
- 967US12551057B1High-efficiency heating apparatus0 cites · 20260% earned
- 1063US12492819B2Gas turbine engine fuel nozzle having a secondary fuel passage through a swirler0 cites · 20240% earned
- 1158US12540774B2Stand alone copper burner panel for a metallurgical furnace0 cites · 20240% earned
- 1254US12504171B2Premixer for a combustor0 cites · 20250% earned
- 1350US12405000B2Building emission processing and/or sequestration systems and methods0 cites · 20240% earned
- 1446US12092323B2Burner tube0 cites · 20240% earned
- 1542US12553388B2Plasma injection modules0 cites · 20250% earned
- 1638US12291989B2System and method for transport vehicles using recyclable fuels0 cites · 20240% earned
- 1733US12498115B2Non-gas fire pit0 cites · 20240% earned
- 1829US12305121B2Control method for a system having reduced nitrogen oxide emissions and for use in a carbo0 cites · 20240% earned
- 1925US12338992B2Fuel-fired burner with internal exhaust gas recycle0 cites · 20240% earned
- 2021US12497925B2Systems for controlling a fuel blend for a gas turbine0 cites · 20240% earned
- 2117US12296384B1Chemical looping carrier compositions, binders, and related methods0 cites · 20250% earned
- 2213US12331927B2Positional control of fuel injection into gas turbine combustors0 cites · 20250% earned
- 238US12565990B2Burner, system, and method for hydrogen-enhanced pulverized coal ignition0 cites · 20240% earned
- 244US12492815B2Apparatus and process for oxidant formation0 cites · 20250% earned
- 251US12551056B2High-efficiency heating apparatus0 cites · 20240% earned
Active· last 5 yrs
The top-scoring F23C patents of the last 5 years
- 199US11454396B1✦ AIFuel injector and pre-mixer system for a burner array19 cites · 202290% earned
- 296US11566790B1✦ AIMethods of operating a turbomachine combustor on hydrogen14 cites · 202383% earned
- 392US10966570B1✦ AIHigh-efficiency heating apparatus12 cites · 202179% earned
- 488US11852082B2Systems and methods for controlling a fuel blend for a gas turbine8 cites · 202380% earned
- 583US12018213B2Reactor feed systems10 cites · 202287% earned
- 679US12298008B2Fuel system with radially arranged injectors for hydrogen-driven gas turbine engine3 cites · 202472% earned
- 775US11015127B2Continuous reflux reactor under pressure and controlled condenser system for thermochemica8 cites · 202180% earned
- 871US11724974B2Methods for dehydrogenating hydrocarbons9 cites · 202177% earned
- 967US11382460B2High-efficiency heating apparatus6 cites · 202171% earned
- 1063US11083336B1High-efficiency heating apparatus6 cites · 202178% earned
- 1158US11525403B2Fuel nozzle with integrated metering and flashback system6 cites · 202285% earned
- 1254US12085281B2Fuel nozzle and swirler2 cites · 202361% earned
- 1350US12173902B2Plasma injection modules2 cites · 202361% earned
- 1446US11953198B2Non-gas fire pit4 cites · 202175% earned
- 1542US11732886B2Fuel-fired burner with internal exhaust gas recycle4 cites · 202275% earned
- 1638US11598522B2Multi-burner rotary furnace melting system and method4 cites · 202182% earned
- 1733US11911754B13D-printed catalyst bed2 cites · 202476% earned
- 1829US11970975B2Fuel delivery system for delivering hydrogen fuel to a fuel injection system in a gas turb3 cites · 202263% earned
- 1925US12007116B2Dual pressure fuel nozzles3 cites · 202280% earned
- 2021US11421329B2Hydrogen production system4 cites · 202175% earned
- 2117US11884883B2Multi-stage device and process for production of a low sulfur heavy marine fuel oil2 cites · 202340% earned
- 2213US11691874B2Apparatuses and methods for hydrogen production2 cites · 202353% earned
- 238US11732659B2Controlling soot2 cites · 202376% earned
- 244US12038176B2Coupling a fuel nozzle purge flow directly to a swirler2 cites · 202376% earned
- 251US11988178B2System and methods for propulsion and powering systems using recyclable metallic fuels2 cites · 202476% earned
All-time canon
The defining F23C patents of the whole record
- 199US5255742A✦ AIHeat injection process436 cites · 199392% earned
- 296US5392854A✦ AIOil recovery process430 cites · 199595% earned
- 392US5297626A✦ AIOil recovery process399 cites · 199495% earned
- 488US5899269AFlameless combustor393 cites · 199990% earned
- 583US7736600B2Apparatus for manufacturing a process abatement reactor387 cites · 200792% earned
- 679US6019172AFlameless combustor371 cites · 200090% earned
- 775US4366668ASubstoichiometric combustion of low heating value gases340 cites · 198394% earned
- 871US5433271AHeat injection process330 cites · 199594% earned
- 967US4378048ASubstoichiometric combustion of low heating value gases using different platinum catalysts301 cites · 198394% earned
- 1063US5932940AMicroturbomachinery287 cites · 199991% earned
- 1158US6193501B1Microcombustor having submillimeter critical dimensions278 cites · 200194% earned
- 1254US5104310AMethod for reducing the flame temperature of a burner and burner intended therefor277 cites · 199294% earned
- 1350US5351477ADual fuel mixer for gas turbine combustor274 cites · 199494% earned
- 1446US6438961B2Swozzle based burner tube premixer including inlet air conditioner for low emissions combu268 cites · 200194% earned
- 1542US6201029B1Staged combustion of a low heating value fuel gas for driving a gas turbine264 cites · 200194% earned
- 1638US6192596B1Active microchannel fluid processing unit and method of making262 cites · 200191% earned
- 1733US5836164AGas turbine combustor238 cites · 199894% earned
- 1829US7523603B2Trifluid reactor216 cites · 200487% earned
- 1925US6993916B2Burner tube and method for mixing air and gas in a gas turbine engine216 cites · 200594% earned
- 2021US7007487B2Recuperated gas turbine engine system and method employing catalytic combustion213 cites · 200594% earned
- 2117USRE35696EHeat injection process212 cites · 199791% earned
- 2213US6389815B1Fuel nozzle assembly for reduced exhaust emissions211 cites · 200294% earned
- 238US5195884ALow NOx formation burner apparatus and methods211 cites · 199394% earned
- 244US5778676ADual fuel mixer for gas turbine combustor209 cites · 199894% earned
- 251US6392313B1Microturbomachinery207 cites · 200291% earned
Rising· last 2 yrs
Assignees whose newest F23C patents became public in the last 2 years — the current frontier
- 199GEN ELECTRIC179 patents · 5,810 citations
- 296PRATT & WHITNEY CANADA11 patents · 521 citations
- 392MAGEMA TECH LLC9 patents · 182 citations
- 488AIR PROD & CHEM45 patents · 955 citations
- 583MITSUBISHI HEAVY IND LTD35 patents · 787 citations
- 679MIURA KOGYO KK9 patents · 137 citations
- 775MAGĒMĀ TECH LLC8 patents · 91 citations
- 871WS WAERMEPROZESSTECHNIK GMBH9 patents · 113 citations
- 967HONEYWELL INT INC26 patents · 78 citations
- 1063HYPER FRYER LLC10 patents · 34 citations
- 1158SAUDI ARABIAN OIL CO14 patents · 30 citations
- 12548 RIVERS CAPITAL LLC14 patents · 12 citations
- 1350SYSTEMS SPRAY COOLED INC5 patents · 7 citations
- 1446VALMET TECHNOLOGIES OY8 patents · 5 citations
- 1542SCHLUMBERGER TECHNOLOGY CORP3 patents · 22 citations
- 1638UNIV ZHEJIANG3 patents · 12 citations
- 1733OQAB DIETRICH INDUCTION INC3 patents · 5 citations
- 1829UNIV NOTRE DAME DU LAC3 patents · 2 citations
- 1925RECYCLING TECH LTD2 patents · 10 citations
- 2021LAMPLIGHT FARMS INC2 patents · 4 citations
- 2117KOREA INST ENERGY RES3 patents · 1 citations
- 2213DOOSAN ENERBILITY CO LTD8 patents · 0 citations
- 238GE INFRASTRUCTURE TECHNOLOGY LLC2 patents · 1 citations
- 244VENUS AEROSPACE CORP1 patents · 2 citations
- 251COLLINS ENGINE NOZZLES INC3 patents · 0 citations
Active· last 5 yrs
Sustained F23C output across the last 5 years
- 199GEN ELECTRIC179 patents · 5,810 citations
- 296ROLLS ROYCE PLC24 patents · 1,164 citations
- 392PRATT & WHITNEY CANADA11 patents · 521 citations
- 488MAGEMA TECH LLC9 patents · 182 citations
- 583AIR LIQUIDE31 patents · 701 citations
- 679ZEECO INC13 patents · 536 citations
- 775AIR PROD & CHEM45 patents · 955 citations
- 871SOLAR TURBINES INC20 patents · 736 citations
- 967SIEMENS AG42 patents · 804 citations
- 1063JOHN ZINK CO LLC24 patents · 634 citations
- 1158MITSUBISHI HEAVY IND LTD35 patents · 787 citations
- 1254BABCOCK & WILCOX CO54 patents · 932 citations
- 1350CARRIER CORP20 patents · 440 citations
- 1446US ENERGY22 patents · 592 citations
- 1542GAS TECHNOLOGY INST13 patents · 293 citations
- 1638RHEEM MFG CO14 patents · 197 citations
- 1733MIURA KOGYO KK9 patents · 137 citations
- 1829MASSACHUSETTS INST TECHNOLOGY4 patents · 615 citations
- 1925DELAVAN INC16 patents · 130 citations
- 2021MAGĒMĀ TECH LLC8 patents · 91 citations
- 2117WS WAERMEPROZESSTECHNIK GMBH9 patents · 113 citations
- 2213FIVES NORTH AMERICAN COMB INC13 patents · 145 citations
- 238HONEYWELL INT INC26 patents · 78 citations
- 244RINNAI KK10 patents · 87 citations
- 251JUPITER OXYGEN CORP6 patents · 101 citations
All-time canon
All-time PatentIndex Score in F23C
- 199SHELL OIL CO23 patents · 3,088 citations
- 296GEN ELECTRIC179 patents · 5,810 citations
- 392MFG & TECH CONVERSION INT INC11 patents · 1,146 citations
- 488ZINK CO JOHN17 patents · 1,379 citations
- 583AIR LIQUIDE AMERICAN16 patents · 1,051 citations
- 679CATALYTICA INC10 patents · 1,178 citations
- 775WESTINGHOUSE ELECTRIC CORP12 patents · 1,011 citations
- 871UNITED TECHNOLOGIES CORP82 patents · 2,741 citations
- 967ROLLS ROYCE PLC24 patents · 1,164 citations
- 1063ALSTOM TECHNOLOGY LTD98 patents · 1,528 citations
- 1158TOSHIBA KK18 patents · 790 citations
- 1254BOC GROUP INC21 patents · 906 citations
- 1350ARKANSAS PATENTS INC7 patents · 615 citations
- 1446PRATT & WHITNEY CANADA11 patents · 521 citations
- 1542GAS RES INST36 patents · 1,243 citations
- 1638SIEMENS WESTINGHOUSE POWER12 patents · 733 citations
- 1733PRECISION COMBUSTION INC13 patents · 606 citations
- 1829HITACHI LTD31 patents · 1,030 citations
- 1925DENG DAVID33 patents · 646 citations
- 2021METALLGESELLSCHAFT AG15 patents · 761 citations
- 2117BATTELLE MEMORIAL INSTITUTE11 patents · 555 citations
- 2213MAGEMA TECH LLC9 patents · 182 citations
- 238THERMATRIX INC8 patents · 593 citations
- 244AIR LIQUIDE31 patents · 701 citations
- 251ZEECO INC13 patents · 536 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth