Topic leaderboard
Regulating or controlling combustion
Ranked by the PatentIndex Score — a 1–99 percentile within F23N · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F23N patents became public in the last 2 years — the current frontier
- 199Timothy Andrew Healy13 patents · 333 citations
- 296David Kucera30 patents · 248 citations
- 392Curtis Taylor9 patents · 87 citations
- 488Ryan D. Jensen10 patents · 62 citations
- 583Brandon P. Williams7 patents · 38 citations
- 679Jonathan Mcdonald6 patents · 39 citations
- 775Daniel L. Furmanek11 patents · 32 citations
- 871J. Michael Alden6 patents · 12 citations
- 967Kevin James Schmeski5 patents · 12 citations
- 1063Mohammed Shoeb8 patents · 12 citations
- 1158Alastair G Hobday5 patents · 34 citations
- 1254Benjamin J Keeler7 patents · 34 citations
- 1350Christopher P Madden5 patents · 34 citations
- 1446Craig W Bemment7 patents · 34 citations
- 1542Peter Swann5 patents · 34 citations
- 1638Jih-Ching Lai4 patents · 29 citations
- 1733David L. Vie5 patents · 10 citations
- 1829Martin K Yates5 patents · 7 citations
- 1925Paul Sydney Richards3 patents · 4 citations
- 2021Trent Farrer4 patents · 6 citations
- 2117David M Beaven4 patents · 7 citations
- 2213Stephen K. Kramer4 patents · 6 citations
- 238George Frederick Frey2 patents · 8 citations
- 244Jocelyn E. Passty2 patents · 8 citations
- 251Abdullmajeed I. Al Sanad3 patents · 4 citations
Active· last 5 yrs
Sustained F23N output across the last 5 years
- 199Douglas W. Karkow27 patents · 194 citations
- 296Timothy Andrew Healy13 patents · 333 citations
- 392Rolf L. Strand8 patents · 203 citations
- 488Larry D. Kidd10 patents · 179 citations
- 583Gary A. Elder10 patents · 151 citations
- 679Enno Vrolijk9 patents · 261 citations
- 775David Kucera30 patents · 248 citations
- 871Peter Anderson15 patents · 167 citations
- 967Mark H. Stark11 patents · 80 citations
- 1063Curtis Taylor9 patents · 87 citations
- 1158Donald Kendrick10 patents · 143 citations
- 1254Thomas P. Buescher8 patents · 73 citations
- 1350Ryan D. Jensen10 patents · 62 citations
- 1446Bradley C. Zikes6 patents · 101 citations
- 1542Barbara Happe12 patents · 67 citations
- 1638Gerrit Jan Baarda9 patents · 70 citations
- 1733Antonio Asti7 patents · 63 citations
- 1829Félix Querejeta Andueza18 patents · 58 citations
- 1925Mark Daniel D'Agostini6 patents · 90 citations
- 2021Lev Alexander Prociw8 patents · 61 citations
- 2117Jason A. Ryon7 patents · 60 citations
- 2213Hsin-Ming Huang26 patents · 56 citations
- 238Chin-Ying Huang28 patents · 54 citations
- 244Brandon P. Williams7 patents · 38 citations
- 251Hsing-Hsiung Huang25 patents · 45 citations
All-time canon
Career PatentIndex Score in F23N
- 199David M. Erdman12 patents · 1,903 citations
- 296Bartholomew L. Toth7 patents · 896 citations
- 392Iñigo Albizuri16 patents · 470 citations
- 488Carl J. Mueller6 patents · 831 citations
- 583David Deng56 patents · 1,099 citations
- 679Kevin D. Thompson21 patents · 1,145 citations
- 775Michael R. Levine8 patents · 726 citations
- 871Dale M. Brown8 patents · 607 citations
- 967Joseph Colannino41 patents · 464 citations
- 1063John E. Bohan, Jr.13 patents · 506 citations
- 1158Ralph H. Torborg9 patents · 580 citations
- 1254Mitchell R. Rowlette8 patents · 433 citations
- 1350George A. Richards6 patents · 443 citations
- 1446John T. Adams14 patents · 554 citations
- 1542Lorne W. Nelson7 patents · 459 citations
- 1638Mark K. Goldstein8 patents · 404 citations
- 1733Paul Dietiker10 patents · 484 citations
- 1829Paul E. Sigafus7 patents · 323 citations
- 1925Daniel J. Dempsey14 patents · 540 citations
- 2021Jimmy Thornton5 patents · 383 citations
- 2117John J. Love7 patents · 360 citations
- 2213Robert K. Hollenbeck6 patents · 319 citations
- 238Douglas W. Karkow27 patents · 194 citations
- 244Stephen E. Youtz6 patents · 484 citations
- 251Emily Shu5 patents · 323 citations
Rising· last 2 yrs
The top-scoring F23N patents made public in the last 2 years
- 199US12060831B1✦ AIBanked force modification for fuel nozzles6 cites · 202485% earned
- 296US11906172B1✦ AICooktop appliance vaporization-responsive closed-loop-controls2 cites · 202476% earned
- 392US12329316B1✦ AITemperature control system for grill, main unit, and fan1 cites · 202567% earned
- 488US12342959B2Burner tube for gas grill0 cites · 20240% earned
- 583US12385645B2Gas control system0 cites · 20240% earned
- 679US12503983B2Propulsion system control0 cites · 20240% earned
- 775US12405000B2Building emission processing and/or sequestration systems and methods0 cites · 20240% earned
- 871US12546273B2Fluidic turbo heater system0 cites · 20250% earned
- 967US12072098B1Ultra wideband combustion sensor and systems0 cites · 20240% earned
- 1063US12264819B2Systems and methods for controlling a variable gas valve0 cites · 20240% earned
- 1158US12298038B2Feedback warning system using inducer pulse width modulation signal0 cites · 20240% earned
- 1254US12241422B2Aircraft operation0 cites · 20240% earned
- 1350US12339039B2Spark ignition module and methods0 cites · 20240% earned
- 1446US12467692B2Flame analytics system0 cites · 20240% earned
- 1542US12359808B1Variable fuel cooker0 cites · 20250% earned
- 1638US12060994B2Using diode rectification to determine igniter, inducer relay, and igniter relay faults0 cites · 20240% earned
- 1733US12497925B2Systems for controlling a fuel blend for a gas turbine0 cites · 20240% earned
- 1829US12385638B2Electronic pressure augmented modulation0 cites · 20240% earned
- 1925US12385646B2Control systems and methods for cooktop appliances0 cites · 20240% earned
- 2021US12460567B2Methods and systems for a fuel operated heater0 cites · 20250% earned
- 2117US12553394B2Gas turbine combustor having a first combustion zone receiving multiple fuels and a second0 cites · 20250% earned
- 2213US12196142B2Delay time calculation method and gas turbine control method, and delay time calculation a0 cites · 20240% earned
- 238US12345423B2Systems and methods for controlling a variable gas valve0 cites · 20240% earned
- 244US12435874B2Dual venturi0 cites · 20240% earned
- 251US12516630B1System and method for fuel injection in turbine section of gas turbine engine0 cites · 20260% earned
Active· last 5 yrs
The top-scoring F23N patents of the last 5 years
- 199US11015536B2✦ AIMethods and systems for supplying fuel to gas turbine engines83 cites · 202189% earned
- 296US11624326B2✦ AIMethods and systems for supplying fuel to gas turbine engines50 cites · 202192% earned
- 392US11585282B1✦ AIFuel characteristics27 cites · 202383% earned
- 488US11852082B2Systems and methods for controlling a fuel blend for a gas turbine8 cites · 202380% earned
- 583US12060831B1Banked force modification for fuel nozzles6 cites · 202485% earned
- 679US11708796B2Performance parameters7 cites · 202379% earned
- 775US11125438B1System and method for bimodal air control in a kettle-style grill10 cites · 202175% earned
- 871US11885499B2Ignition-based protocols for pellet grills5 cites · 202372% earned
- 967US12018213B2Reactor feed systems10 cites · 202287% earned
- 1063US11015127B2Continuous reflux reactor under pressure and controlled condenser system for thermochemica8 cites · 202180% earned
- 1158US11867118B2Methods and systems for supplying fuel to gas turbine engines4 cites · 202382% earned
- 1254US11732895B1Methods and systems for open-loop ignition of a smoke generator fuel source5 cites · 202372% earned
- 1350US11346554B2Combustion analyzer with simultaneous carbon monoxide and methane measurements7 cites · 202186% earned
- 1446US11788730B2Knob mechanism for gas cooktop4 cites · 202382% earned
- 1542US12066116B2Double flow rate gas solenoid valve4 cites · 202282% earned
- 1638US11746704B2Gas turbine combustor and its operating method5 cites · 202184% earned
- 1733US12055292B2Premixing apparatus3 cites · 202280% earned
- 1829US11441782B2Cooking appliance user control integrated with rate of movement detection4 cites · 202282% earned
- 1925US11852409B2Use of biomass furnace for direct air-drying of grain and other particulate2 cites · 202376% earned
- 2021US11795810B2Flare systems analyzer3 cites · 202380% earned
- 2117US11662098B2Gas safety shutoff2 cites · 202253% earned
- 2213US11629859B2Gas control system3 cites · 202163% earned
- 238US11499710B2Smart candle platform and system2 cites · 202267% earned
- 244US11392147B1Self-energized programmable timer control valve system2 cites · 202276% earned
- 251US11906172B1Cooktop appliance vaporization-responsive closed-loop-controls2 cites · 202476% earned
All-time canon
The defining F23N patents of the whole record
- 199US4169990A✦ AIElectronically commutated motor1,603 cites · 197996% earned
- 296US4213562A✦ AIProgrammer1,486 cites · 198095% earned
- 392US4459519A✦ AIElectronically commutated motor systems and control therefor854 cites · 198495% earned
- 488US6595430B1Graphical user interface system for a thermal comfort controller440 cites · 200386% earned
- 583US6619555B2Thermostat system communicating with a remote correspondent for receiving and displaying d386 cites · 200395% earned
- 679US4442972AElectrically controlled programmable digital thermostat and method for regulating the oper334 cites · 198494% earned
- 775US6789739B2Thermostat system with location data308 cites · 200394% earned
- 871US6619055B1Security system with wireless thermostat and method of operation thereof266 cites · 200394% earned
- 967US6513723B1Method and apparatus for automatically transmitting temperature information to a thermosta266 cites · 200394% earned
- 1063US4308991AProgrammable electronic thermostat266 cites · 198294% earned
- 1158US6059195AIntegrated appliance control system264 cites · 200091% earned
- 1254US5828797AFiber optic linked flame sensor252 cites · 199894% earned
- 1350US6315211B1Hardwired or battery powered digital thermostat252 cites · 200194% earned
- 1446US6644557B1Access controlled thermostat system237 cites · 200394% earned
- 1542US4382544AEnergy management system with programmable thermostat225 cites · 198394% earned
- 1638US4335847AElectronic thermostat with repetitive operation cycle219 cites · 198294% earned
- 1733US5781432AMethod and apparatus for analyzing a neural network within desired operating parameter con217 cites · 199894% earned
- 1829US5056712AWater heater controller213 cites · 199194% earned
- 1925US7007487B2Recuperated gas turbine engine system and method employing catalytic combustion213 cites · 200594% earned
- 2021US6581846B1Thermostat including a vacation mode in which electrical devices within and proximate the 209 cites · 200394% earned
- 2117US7537171B2Thermostat control system providing power saving transmissions201 cites · 200691% earned
- 2213US4622007AVariable heat generating method and apparatus197 cites · 198691% earned
- 238US4685614AAnalog to digital conversion employing the system clock of a microprocessor, the clock fre197 cites · 198794% earned
- 244US4837731ASystem for time programming of states by communicating time data via a continuously rotata194 cites · 198994% earned
- 251US5732691AModulating furnace with two-speed draft inducer183 cites · 199894% earned
Rising· last 2 yrs
Assignees whose newest F23N patents became public in the last 2 years — the current frontier
- 199GEN ELECTRIC186 patents · 7,013 citations
- 296HONEYWELL INT INC130 patents · 3,036 citations
- 392EMERSON ELECTRIC CO91 patents · 2,777 citations
- 488MITSUBISHI HEAVY IND LTD28 patents · 333 citations
- 583SIEMENS AG44 patents · 388 citations
- 679ROLLS ROYCE PLC21 patents · 263 citations
- 775AIR PROD & CHEM13 patents · 100 citations
- 871HAIER US APPLIANCE SOLUTIONS INC39 patents · 58 citations
- 967WEBER STEPHEN PRODUCTS LLC16 patents · 19 citations
- 1063KYUNGDONG NAVIEN CO LTD20 patents · 20 citations
- 1158SAUDI ARABIAN OIL CO14 patents · 10 citations
- 1254SOLAR TURBINES INC6 patents · 18 citations
- 1350MIDEA GROUP CO LTD22 patents · 6 citations
- 1446IHI CORP12 patents · 7 citations
- 1542FORD GLOBAL TECH LLC2 patents · 44 citations
- 1638MARLIN GAS SERVICES LLC3 patents · 4 citations
- 1733COLLINS ENGINE NOZZLES INC3 patents · 6 citations
- 1829RECYCLING TECH LTD2 patents · 10 citations
- 1925COPELAND COMFORT CONTROL LP8 patents · 0 citations
- 2021JETOPTERA INC2 patents · 2 citations
- 2117INDIAN INSTITUTE OF TECH MADRAS3 patents · 1 citations
- 2213Webasto SE6 patents · 0 citations
- 238GMG Products LLC2 patents · 1 citations
- 244RODGERS IAN2 patents · 1 citations
- 251CARBONQUEST INC2 patents · 0 citations
Active· last 5 yrs
Sustained F23N output across the last 5 years
- 199GEN ELECTRIC186 patents · 7,013 citations
- 296HONEYWELL INT INC130 patents · 3,036 citations
- 392EMERSON ELECTRIC CO91 patents · 2,777 citations
- 488CARRIER CORP57 patents · 2,080 citations
- 583RHEEM MFG CO39 patents · 562 citations
- 679RINNAI KK47 patents · 491 citations
- 775MITSUBISHI HEAVY IND LTD28 patents · 333 citations
- 871SIEMENS AG44 patents · 388 citations
- 967SMITH CORP A O12 patents · 278 citations
- 1063ROLLS ROYCE PLC21 patents · 263 citations
- 1158WHIRLPOOL CO18 patents · 168 citations
- 1254DELAVAN INC11 patents · 138 citations
- 1350LG ELECTRONICS INC32 patents · 143 citations
- 1446SAMSUNG ELECTRONICS CO LTD13 patents · 126 citations
- 1542AIR PROD & CHEM13 patents · 100 citations
- 1638FORNEY CORP4 patents · 109 citations
- 1733GRAND MATE CO LTD19 patents · 40 citations
- 1829BECKETT R W CORP7 patents · 34 citations
- 1925HAIER US APPLIANCE SOLUTIONS INC39 patents · 58 citations
- 2021WEBER STEPHEN PRODUCTS LLC16 patents · 19 citations
- 2117BJ ENERGY SOLUTIONS LLC3 patents · 137 citations
- 2213EBM PAPST LANDSHUT GMBH8 patents · 54 citations
- 238TRAEGER PELLET GRILLS LLC6 patents · 47 citations
- 244AIR LIQUIDE10 patents · 169 citations
- 251JOHNSON CONTROLS TECH CO6 patents · 139 citations
All-time canon
All-time PatentIndex Score in F23N
- 199GEN ELECTRIC186 patents · 7,013 citations
- 296HONEYWELL INT INC130 patents · 3,036 citations
- 392EMERSON ELECTRIC CO91 patents · 2,777 citations
- 488HONEYWELL INC131 patents · 4,609 citations
- 583TEXAS INSTRUMENTS INC10 patents · 770 citations
- 679CARRIER CORP57 patents · 2,080 citations
- 775DENG DAVID48 patents · 938 citations
- 871TRIDELTA IND INC5 patents · 537 citations
- 967GAS RES INST18 patents · 943 citations
- 1063ROBERTSHAW CONTROLS CO116 patents · 1,834 citations
- 1158US ENERGY8 patents · 578 citations
- 1254HITACHI LTD45 patents · 1,264 citations
- 1350AMERICAN COMBUSTION INC5 patents · 483 citations
- 1446COPRECITEC SL22 patents · 363 citations
- 1542RANCO INC5 patents · 550 citations
- 1638CLEARSIGN COMB CORP46 patents · 413 citations
- 1733MAXON CORP8 patents · 417 citations
- 1829HAMILTON STANDARD CONTROLS7 patents · 515 citations
- 1925RHEEM MFG CO39 patents · 562 citations
- 2021QUANTUM GROUP INC8 patents · 404 citations
- 2117LEVINE MICHAEL R5 patents · 462 citations
- 2213US ARMY9 patents · 409 citations
- 238MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 patents · 781 citations
- 244COMBUSTION ENG20 patents · 542 citations
- 251UNITED TECHNOLOGIES CORP25 patents · 397 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth