Topic leaderboard
Fluid heaters having heat-generating means
Ranked by the PatentIndex Score — a 1–99 percentile within F24H · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F24H patents became public in the last 2 years — the current frontier
- 199Sivaprasad Akasam49 patents · 241 citations
- 296Sridhar Deivasigamani49 patents · 241 citations
- 392Jozef Boros43 patents · 366 citations
- 488Joseph Le Mer17 patents · 172 citations
- 583Thomas P. Buescher16 patents · 136 citations
- 679Subbu Thenappan6 patents · 136 citations
- 775Charles T. Higgins6 patents · 111 citations
- 871Felix Fernando6 patents · 111 citations
- 967Olivier Greim6 patents · 111 citations
- 1063Michael B. Steinhafel6 patents · 62 citations
- 1158Stewart Kaiser8 patents · 62 citations
- 1254Brian Thomas Branecky21 patents · 43 citations
- 1350Piyush Porwal16 patents · 34 citations
- 1446Christopher M. Hayden18 patents · 30 citations
- 1542Shogo Tamaki7 patents · 28 citations
- 1638Nathan Wagers10 patents · 22 citations
- 1733John F. Broker10 patents · 21 citations
- 1829John L. Allen5 patents · 11 citations
- 1925Sam Allen5 patents · 11 citations
- 2021Craig Iung-Pei Tsai11 patents · 23 citations
- 2117Grant Stepa5 patents · 11 citations
- 2213Peter Kerr6 patents · 11 citations
- 238Thomas D. Chase6 patents · 70 citations
- 244Markus Mann6 patents · 20 citations
- 251Stephen C. Wilson7 patents · 12 citations
Active· last 5 yrs
Sustained F24H output across the last 5 years
- 199Lik Hon15 patents · 1,710 citations
- 296Jeffrey A. Riblet7 patents · 535 citations
- 392Melinda Teresa Magerkurth7 patents · 535 citations
- 488Timothy J. Shellenberger24 patents · 601 citations
- 583Brendan Vincent Bourke14 patents · 287 citations
- 679Edward Vincent Fabrizio12 patents · 183 citations
- 775James R. Curtis8 patents · 149 citations
- 871Richard B. Peterson8 patents · 149 citations
- 967Sivaprasad Akasam49 patents · 241 citations
- 1063Sridhar Deivasigamani49 patents · 241 citations
- 1158Claude Lesage37 patents · 335 citations
- 1254Jozef Boros43 patents · 366 citations
- 1350Ray O. Knoeppel17 patents · 233 citations
- 1446Larry D. Kidd11 patents · 203 citations
- 1542Michael J. O'Donnell10 patents · 118 citations
- 1638Rolf L. Strand11 patents · 186 citations
- 1733Gary A. Elder13 patents · 151 citations
- 1829Bruce Hotton17 patents · 195 citations
- 1925Paul M. Haydock9 patents · 164 citations
- 2021Rocco Giannoni11 patents · 121 citations
- 2117Troy E. Trant23 patents · 149 citations
- 2213Michael Niederer38 patents · 244 citations
- 238Jonathan D. Nelson20 patents · 144 citations
- 244Joseph Le Mer17 patents · 172 citations
- 251Howard J. Base7 patents · 127 citations
All-time canon
Career PatentIndex Score in F24H
- 199Lik Hon15 patents · 1,710 citations
- 296Jeffrey A. Riblet7 patents · 535 citations
- 392Melinda Teresa Magerkurth7 patents · 535 citations
- 488David Marquette6 patents · 529 citations
- 583David E. Seitz9 patents · 873 citations
- 679Timothy James Held9 patents · 485 citations
- 775Robert E. Davis7 patents · 615 citations
- 871Jason D. Miller8 patents · 384 citations
- 967Eric Leopold Panz5 patents · 506 citations
- 1063Steven Eric Panz5 patents · 506 citations
- 1158Thomas E. Nelson36 patents · 1,112 citations
- 1254Kenneth A. Bradenbaugh11 patents · 544 citations
- 1350David Deng19 patents · 404 citations
- 1446Terry G. Phillips15 patents · 323 citations
- 1542Stephen Hostler6 patents · 304 citations
- 1638Timothy J. Shellenberger24 patents · 601 citations
- 1733Joseph Gerstmann12 patents · 473 citations
- 1829Lennart L. Carlson4 patents · 609 citations
- 1925Franz Bohlender43 patents · 682 citations
- 2021Brian D. Comiskey4 patents · 476 citations
- 2117Dusko Petrovski4 patents · 476 citations
- 2213Chester D. Ripka9 patents · 406 citations
- 238Toshihiro Kayahara7 patents · 420 citations
- 244Brent Chian19 patents · 449 citations
- 251Chia-Hsiung Wu5 patents · 323 citations
Rising· last 2 yrs
The top-scoring F24H patents made public in the last 2 years
- 199US11975429B1✦ AITool for removing and installing a tankless water heater inlet filter5 cites · 202477% earned
- 296US12385669B2✦ AIWater heater for heating water using various power sources and enhancing energy savings2 cites · 202567% earned
- 392US12391428B2✦ AIPackaging system for a hot water heater2 cites · 202467% earned
- 488US11874027B1Rechargeable, portable heating device for warming user3 cites · 202472% earned
- 583US12405032B1Optimal operation control method of air-source heat pump and gas-fired heater combined hea1 cites · 202567% earned
- 679USD1016263SFlat panel heater4 cites · 202482% earned
- 775US12435648B1Thermal energy storage system coupled with thermal power cycle systems1 cites · 202544% earned
- 871US12449121B1Air source heat pump system and method of use for industrial steam generation1 cites · 202550% earned
- 967US12209792B2Defrosting roll-up climate controlled door1 cites · 202456% earned
- 1063US12203699B2Cold plunge water generation assembly for a tub enclosure with heating capabiliy1 cites · 202456% earned
- 1158US11920830B1Tool and method for cleaning and draining a water heater2 cites · 202467% earned
- 1254US12264847B2Multi-split type air-conditioning device and connection determination method2 cites · 202476% earned
- 1350US12117205B2Methods and systems and apparatus to support reduced energy and water usage1 cites · 202467% earned
- 1446US11988412B2Methods and systems for modulating energy usage1 cites · 202467% earned
- 1542US12540737B2System for producing heat for domestic hot water or central heating1 cites · 202467% earned
- 1638US12422148B1Water heater system1 cites · 202567% earned
- 1733US12396489B2Method or forming elongated array with heating elements that bow concentrically outward fr0 cites · 20240% earned
- 1829US12359845B1Air funnel for a heat pump system of a water heater0 cites · 20250% earned
- 1925US12091809B1Heated and cooled seat for locker0 cites · 20240% earned
- 2021US12345424B2System, apparatus and method for efficient use of solar photovoltaic energy0 cites · 20240% earned
- 2117US12352465B2Modulating makeup fluid control systems and methods for same0 cites · 20240% earned
- 2213US12138947B2Sublimation systems and related methods0 cites · 20240% earned
- 238US12276463B2Methods and systems and apparatus to support reduced energy and water usage0 cites · 20240% earned
- 244USD1030985SAnode assembly for a heat exchanger0 cites · 20240% earned
- 251US12161267B2Towel warming apparatus0 cites · 20240% earned
Active· last 5 yrs
The top-scoring F24H patents of the last 5 years
- 199US11118812B1✦ AIAutomated water heater flushing and monitoring system100 cites · 202181% earned
- 296US11809153B1✦ AISystem for optimizing thermal energy generation from multiple energy sources34 cites · 202387% earned
- 392US11623830B1✦ AITrailer with loading and unloading system21 cites · 202374% earned
- 488USD959959SMounting bracket22 cites · 202285% earned
- 583USD980025SHeat gun18 cites · 202389% earned
- 679US11407245B1Sublimation systems and related methods11 cites · 202276% earned
- 775US11193691B1Controller for heating system diagnostics and operation13 cites · 202188% earned
- 871US11425979B2Hair dryer12 cites · 202188% earned
- 967US11592210B2System and method for providing heated water to sabbath observers10 cites · 202187% earned
- 1063USD963833SWater heater air duct adapter11 cites · 202288% earned
- 1158US12018596B2Thermal energy storage system coupled with thermal power cycle systems5 cites · 202367% earned
- 1254US11975429B1Tool for removing and installing a tankless water heater inlet filter5 cites · 202477% earned
- 1350US11877376B2Electrically conductive firebrick system8 cites · 202276% earned
- 1446US11674727B2HVAC equipment with refrigerant gas sensor7 cites · 202379% earned
- 1542USD917681SGas stove table8 cites · 202180% earned
- 1638US11287144B2Water heaters with real-time hot water supply determination9 cites · 202181% earned
- 1733US11585572B2Heat exchanger unit and condensing boiler using the same9 cites · 202187% earned
- 1829US10945569B1Body dryer system and method of use9 cites · 202187% earned
- 1925US11433418B2Dispensing system10 cites · 202181% earned
- 2021US11133757B2System and method for combined heat and electric power generation6 cites · 202178% earned
- 2117USD912789SHeating equipment8 cites · 202180% earned
- 2213US11649650B2Compact universal gas pool heater and associated methods4 cites · 202267% earned
- 238US12385669B2Water heater for heating water using various power sources and enhancing energy savings2 cites · 202567% earned
- 244US12391428B2Packaging system for a hot water heater2 cites · 202467% earned
- 251US11874027B1Rechargeable, portable heating device for warming user3 cites · 202472% earned
All-time canon
The defining F24H patents of the whole record
- 199US7832410B2✦ AIElectronic atomization cigarette1,008 cites · 200783% earned
- 296US5381510A✦ AIIn-line fluid heating apparatus with gradation of heat energy from inlet to outlet470 cites · 199595% earned
- 392US5088645A✦ AISelf-programmable temperature control system for a heating and cooling system404 cites · 199295% earned
- 488US5245693AParenteral fluid warmer apparatus and disposable cassette utilizing thin, flexible heat-ex367 cites · 199394% earned
- 583US5549559AThermal treatment apparatus365 cites · 199691% earned
- 679US6246831B1Fluid heating control system362 cites · 200194% earned
- 775US5354965AWindow cleaning fluid heating system having timer-controlled heater and differential input352 cites · 199494% earned
- 871US8393331B2Electronic atomization cigarette335 cites · 201180% earned
- 967US6059195AIntegrated appliance control system264 cites · 200091% earned
- 1063US5125069ABlood warmer247 cites · 199294% earned
- 1158US9423152B2Heating control arrangement for an electronic smoking article and associated system and me244 cites · 201494% earned
- 1254US4682010AIn-line electric heater for an aerosol delivery system241 cites · 198794% earned
- 1350US5797358AControl system for a water heater221 cites · 199894% earned
- 1446US5504306AMicroprocessor controlled tankless water heater system220 cites · 199694% earned
- 1542US5761908AApparatus suited for ventilating rooms contaminated with infectious disease organisms219 cites · 199894% earned
- 1638US4703152ATiltable and adjustably oscillatable portable electric heater/fan219 cites · 198794% earned
- 1733US5454061AApparatus and method for making flexible tubing with helically wound heating conductor214 cites · 199591% earned
- 1829US7363591B2Electronic programming guide system and method208 cites · 200494% earned
- 1925US6080971AFluid heater with improved heating elements controller196 cites · 200094% earned
- 2021US5956462ADomestic electric energy control193 cites · 199994% earned
- 2117US6080973AElectric water heater193 cites · 200094% earned
- 2213US5724478ALiquid heater assembly189 cites · 199894% earned
- 238US5073625ASelf-regulating porous heating device188 cites · 199194% earned
- 244US4794226ASelf-regulating porous heater device186 cites · 198894% earned
- 251US7877827B2Operational control schemes for ventilated seat or bed assemblies182 cites · 200985% earned
Rising· last 2 yrs
Assignees whose newest F24H patents became public in the last 2 years — the current frontier
- 199CARRIER CORP103 patents · 2,369 citations
- 296SMITH CORP A O108 patents · 1,563 citations
- 392RHEEM MFG CO265 patents · 2,165 citations
- 488RINNAI KK88 patents · 371 citations
- 583NORITZ CORP118 patents · 322 citations
- 679BRADFORD WHITE CORP23 patents · 185 citations
- 775TOTO LTD10 patents · 222 citations
- 871MITSUBISHI ELECTRIC CORP55 patents · 166 citations
- 967LG ELECTRONICS INC89 patents · 118 citations
- 1063DAIKIN IND LTD40 patents · 69 citations
- 1158KYUNGDONG NAVIEN CO LTD80 patents · 111 citations
- 1254RHEEM AUSTRALIA PTY LTD17 patents · 57 citations
- 1350GENTHERM INC4 patents · 88 citations
- 1446TRANE INT INC40 patents · 62 citations
- 1542HAIER US APPLIANCE SOLUTIONS INC34 patents · 42 citations
- 1638EBERSPAECHER CATEM GMBH & CO26 patents · 25 citations
- 1733PHILIP MORRIS USA INC4 patents · 54 citations
- 1829BOCK WATER HEATERS INC5 patents · 34 citations
- 1925INTELLIHOT INC24 patents · 15 citations
- 2021WATTS REGULATOR CO8 patents · 29 citations
- 2117VALEO SYSTEMES THERMIQUES23 patents · 12 citations
- 2213RONDO ENERGY INC4 patents · 7 citations
- 238MASSACHUSETTS INST TECHNOLOGY3 patents · 16 citations
- 244CRICUT INC3 patents · 12 citations
- 251BOEING CO4 patents · 15 citations
Active· last 5 yrs
Sustained F24H output across the last 5 years
- 199STATE FARM MUTUAL AUTOMOBILE INSURANCE CO7 patents · 535 citations
- 296CARRIER CORP103 patents · 2,369 citations
- 392SMITH CORP A O108 patents · 1,563 citations
- 488RHEEM MFG CO265 patents · 2,165 citations
- 583LENNOX IND INC59 patents · 559 citations
- 679EMERSON ELECTRIC CO67 patents · 943 citations
- 775NORDSON CORP9 patents · 282 citations
- 871EEMAX INC18 patents · 180 citations
- 967RINNAI KK88 patents · 371 citations
- 1063NORITZ CORP118 patents · 322 citations
- 1158BRADFORD WHITE CORP23 patents · 185 citations
- 1254WATLOW ELECTRIC MFG31 patents · 130 citations
- 1350SAMSUNG ELECTRONICS CO LTD15 patents · 153 citations
- 1446TOTO LTD10 patents · 222 citations
- 1542GEN ELECTRIC43 patents · 224 citations
- 1638MITSUBISHI ELECTRIC CORP55 patents · 166 citations
- 1733STIEBEL ELTRON GMBH & CO KG17 patents · 126 citations
- 1829RINNAI AMERICA CORP21 patents · 73 citations
- 1925LG ELECTRONICS INC89 patents · 118 citations
- 2021HYDRO QUEBEC6 patents · 131 citations
- 2117MODOLOGY DESIGN GROUP8 patents · 44 citations
- 2213DAIKIN IND LTD40 patents · 69 citations
- 238KYUNGDONG NAVIEN CO LTD80 patents · 111 citations
- 244RHEEM AUSTRALIA PTY LTD17 patents · 57 citations
- 251MICLAU SRI INC25 patents · 57 citations
All-time canon
All-time PatentIndex Score in F24H
- 199STATE FARM MUTUAL AUTOMOBILE INSURANCE CO7 patents · 535 citations
- 296AOS HOLDING CO57 patents · 1,585 citations
- 392ARKANSAS PATENTS INC7 patents · 615 citations
- 488FONTEM HOLDINGS 1 BV11 patents · 244 citations
- 583DENSO CORP20 patents · 727 citations
- 679TEXAS INSTRUMENTS INC6 patents · 464 citations
- 775HONEYWELL INC8 patents · 485 citations
- 871CARRIER CORP103 patents · 2,369 citations
- 967MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 patents · 663 citations
- 1063SMITH CORP A O108 patents · 1,563 citations
- 1158HONEYWELL INT INC33 patents · 842 citations
- 1254RHEEM MFG CO265 patents · 2,165 citations
- 1350HELD TIMOTHY J5 patents · 293 citations
- 1446SOLTECH INC23 patents · 617 citations
- 1542LENNOX IND INC59 patents · 559 citations
- 1638MOR FLO IND INC15 patents · 546 citations
- 1733AMERICAN WATER HEATER CO15 patents · 509 citations
- 1829DENG DAVID17 patents · 261 citations
- 1925MIURA KOGYO KK17 patents · 540 citations
- 2021GAS RES INST28 patents · 693 citations
- 2117STEWARD PLASTICS4 patents · 609 citations
- 2213HOLMES PRODUCTS CORP5 patents · 387 citations
- 238NELSON THOMAS E12 patents · 487 citations
- 244EMERSON ELECTRIC CO67 patents · 943 citations
- 251WHITE BRADFORD CORP24 patents · 672 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth