Topic leaderboard
Details or accessories of furnaces
Ranked by the PatentIndex Score — a 1–99 percentile within F27D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F27D patents became public in the last 2 years — the current frontier
- 199Paul V. Cooper71 patents · 3,612 citations
- 296John Francis Quanci14 patents · 202 citations
- 392Gary Dean West12 patents · 191 citations
- 488Daniel C. Charles7 patents · 125 citations
- 583Jason Crum6 patents · 94 citations
- 679Mark Anthony Ball6 patents · 94 citations
- 775Viswanathan Venkateswaran7 patents · 85 citations
- 871Kenzo Takahashi20 patents · 76 citations
- 967Allan J. Macrae16 patents · 57 citations
- 1063Chun Wai Choi4 patents · 50 citations
- 1158Troy D. Ward17 patents · 29 citations
- 1254Eduardo Fernando D'Oracio De Almeida8 patents · 31 citations
- 1350Dell Joseph St Julien5 patents · 15 citations
- 1446Jacqueline Leslie Brown5 patents · 15 citations
- 1542Jeremy Paananen5 patents · 15 citations
- 1638John Albert Olenick5 patents · 15 citations
- 1733Kathleen Ritter Olenick5 patents · 15 citations
- 1829Lanrik Wayne Kester5 patents · 15 citations
- 1925Michael Edward Badding5 patents · 15 citations
- 2021Nathan Michael Zink5 patents · 15 citations
- 2117Roman E Hurny5 patents · 15 citations
- 2213Thomas Dale Ketcham5 patents · 15 citations
- 238Thomas Silverblatt5 patents · 15 citations
- 244Timothy Joseph Curry5 patents · 15 citations
- 251William Joseph Bouton5 patents · 15 citations
Active· last 5 yrs
Sustained F27D output across the last 5 years
- 199Paul V. Cooper71 patents · 3,612 citations
- 296Vincent D. Fontana17 patents · 691 citations
- 392Christopher A. Wiklof12 patents · 171 citations
- 488Douglas W. Karkow14 patents · 171 citations
- 583Chris T. Vild10 patents · 524 citations
- 679Hisashi Kobayashi22 patents · 402 citations
- 775John Francis Quanci14 patents · 202 citations
- 871Gary Dean West12 patents · 191 citations
- 967Daniel C. Charles7 patents · 125 citations
- 1063Niall Donnelly7 patents · 123 citations
- 1158Sriram Iyer7 patents · 123 citations
- 1254Tim Holme7 patents · 123 citations
- 1350Rodney James Dry22 patents · 166 citations
- 1446Jason Crum6 patents · 94 citations
- 1542Mark Anthony Ball6 patents · 94 citations
- 1638Joseph M. Ranish16 patents · 134 citations
- 1733James T. Cash9 patents · 109 citations
- 1829Ryan L. Yates4 patents · 80 citations
- 1925Viswanathan Venkateswaran7 patents · 85 citations
- 2021Andrew James Hobbis11 patents · 35 citations
- 2117Arthur W. Francis, Jr.5 patents · 109 citations
- 2213Rodger Brown8 patents · 29 citations
- 238Richard J. Manasek14 patents · 86 citations
- 244Kenzo Takahashi20 patents · 76 citations
- 251Antoine Jean Willy Pralong7 patents · 25 citations
All-time canon
Career PatentIndex Score in F27D
- 199Christian M. Gronet13 patents · 1,063 citations
- 296James F. Gibbons13 patents · 1,063 citations
- 392William Bedingham16 patents · 1,170 citations
- 488Barry W. Robole13 patents · 942 citations
- 583Paul V. Cooper71 patents · 3,612 citations
- 679Kenneth B. Wood8 patents · 505 citations
- 775Christopher J. Nagel13 patents · 1,185 citations
- 871Mahlon D. Dennis8 patents · 849 citations
- 967Vincent D. Fontana17 patents · 691 citations
- 1063Edgar J. Robert5 patents · 553 citations
- 1158Michael R. Harms5 patents · 379 citations
- 1254Gregory M. Gitman11 patents · 416 citations
- 1350Grigori Galperine8 patents · 291 citations
- 1446Stanislav I. Zhigach7 patents · 258 citations
- 1542Bruno H. Thut11 patents · 480 citations
- 1638Raj Rajagopal5 patents · 480 citations
- 1733Mark E. Pfaff5 patents · 234 citations
- 1829Christopher A. Wiklof12 patents · 171 citations
- 1925Douglas W. Karkow14 patents · 171 citations
- 2021Joseph Colannino9 patents · 171 citations
- 2117Chris T. Vild10 patents · 524 citations
- 2213John A. Vallomy13 patents · 346 citations
- 238Eric R. Hansen16 patents · 421 citations
- 244Theodore J. Reese10 patents · 312 citations
- 251Frank Henry Miner, Jr.7 patents · 306 citations
Rising· last 2 yrs
The top-scoring F27D patents made public in the last 2 years
- 199US11953264B2✦ AIManufacturing line, process, and sintered article5 cites · 202465% earned
- 296US11940216B1✦ AIHigh-temperature flue gas recovery apparatus for melting furnace2 cites · 202476% earned
- 392US12410369B2✦ AIFlat push hot car for foundry coke and associated systems and methods1 cites · 202556% earned
- 488US11971216B1Retort with loading window2 cites · 202476% earned
- 583US11898798B1High-efficiency photonic furnaces for metal production1 cites · 202456% earned
- 679US11946698B1Metal melting furnace including a stirring device1 cites · 202467% earned
- 775US12345480B2Cooling device for heat treatment1 cites · 202467% earned
- 871US12429286B2Cooking appliance with a camera and method for the operation thereof1 cites · 202467% earned
- 967US12263522B2Smart molten metal pump0 cites · 20240% earned
- 1063US12371760B2Apparatus and method for production of high purity copper-based alloys0 cites · 20240% earned
- 1158US12512338B2Heater lift assembly spring damper0 cites · 20240% earned
- 1254US11927395B2Refractory anchor device and system0 cites · 20240% earned
- 1350US12137508B1Induction furnace with electrically separable coil system0 cites · 20240% earned
- 1446US12387949B2Substrate processing apparatus0 cites · 20240% earned
- 1542US12503260B1Packaging water-reactive aluminum0 cites · 20250% earned
- 1638US12305119B2Decarbonization of coke ovens and associated systems and methods0 cites · 20240% earned
- 1733US12540774B2Stand alone copper burner panel for a metallurgical furnace0 cites · 20240% earned
- 1829US12292237B2Metallurgical furnace having an integrated off-gas hood0 cites · 20240% earned
- 1925US12412758B2Workpiece processing apparatus with thermal processing systems0 cites · 20240% earned
- 2021US12195836B2Method for heat treating components0 cites · 20240% earned
- 2117US12264080B2Method for removing carbon dioxide from a material0 cites · 20240% earned
- 2213US12529143B2Alternating and continuous microwave fiber tow coating thermo-chemical reactor furnace0 cites · 20240% earned
- 238US12228150B2Molten metal transfer device0 cites · 20240% earned
- 244US12467692B2Flame analytics system0 cites · 20240% earned
- 251US12385694B2Reflow furnace0 cites · 20240% earned
Active· last 5 yrs
The top-scoring F27D patents of the last 5 years
- 199US11186778B2✦ AISystem and method for repairing a coke oven25 cites · 202182% earned
- 296US10907899B1✦ AIRefractory anchor17 cites · 202189% earned
- 392US11505747B2✦ AICoke plant tunnel repair and anchor distribution11 cites · 202272% earned
- 488US11643602B2Decarbonization of coke ovens, and associated systems and methods11 cites · 202278% earned
- 583US11598581B2Fabrication of ceramics from celestial materials using microwave sintering and mechanical 7 cites · 202275% earned
- 679US11768032B2Method of manufacturing ceramic tape5 cites · 202365% earned
- 775US11148840B1Method of packaging water-reactive aluminum7 cites · 202175% earned
- 871US11851730B2Apparatus and method for production of high purify copper-based alloys4 cites · 202362% earned
- 967US12085340B2Recombinant virus, composition comprising the same, and uses thereof5 cites · 202372% earned
- 1063US11320204B2Continuous concentrate feeding equipment7 cites · 202286% earned
- 1158US11998886B2Regenerative cooling method and apparatus5 cites · 202277% earned
- 1254US11796254B1Graphitization furnace with rapid active cooling system3 cites · 202380% earned
- 1350US11367632B2Heater lift assembly spring damper5 cites · 202169% earned
- 1446US11644241B2Beverage holder assembly configured for a fire pit4 cites · 202282% earned
- 1542US11635258B2Exhaust hood overflow system4 cites · 202282% earned
- 1638US11621168B1Method and system for doping semiconductor materials3 cites · 202380% earned
- 1733US11634241B1Space foundry3 cites · 202380% earned
- 1829US11237124B2Predictive refractory performance measurement system4 cites · 202175% earned
- 1925US11709019B2Sealing system for a machine for thermal treatment of bulk material4 cites · 202175% earned
- 2021US11531891B2Cooking apparatus for determining cooked-state of cooking material and control method ther4 cites · 202182% earned
- 2117US11598522B2Multi-burner rotary furnace melting system and method4 cites · 202182% earned
- 2213US11940216B1High-temperature flue gas recovery apparatus for melting furnace2 cites · 202476% earned
- 238US11407945B2Heat treatment apparatus4 cites · 202282% earned
- 244US11653426B2Methods of protecting furnace electrodes with cooling liquid that contains an additive3 cites · 202161% earned
- 251US11243273B2Estimation or control of lengths and positions of one or more transversely localized elect3 cites · 202172% earned
All-time canon
The defining F27D patents of the whole record
- 199US4753192A✦ AIMovable core fast cool-down furnace595 cites · 198895% earned
- 296US8608885B2✦ AISubstrate heat treatment apparatus556 cites · 200795% earned
- 392US7723648B2✦ AITemperature controlled substrate holder with non-uniform insulation layer for a substrate 551 cites · 200892% earned
- 488US6441350B1Temperature control system for a thermal reactor530 cites · 200289% earned
- 583US9202727B2Susceptor heater shim524 cites · 201395% earned
- 679US9117866B2Apparatus and method for calculating a wafer position in a processing chamber under proces504 cites · 201495% earned
- 775US7432476B2Substrate heat treatment apparatus502 cites · 200695% earned
- 871US7736528B2Plasma processing apparatus and plasma processing method482 cites · 200988% earned
- 967US7163393B2Heat treatment jig for semiconductor silicon substrate482 cites · 200592% earned
- 1063US7210925B2Heat treatment jig for silicon semiconductor substrate480 cites · 200595% earned
- 1158US9353441B2Heating/cooling pedestal for semiconductor-processing apparatus466 cites · 201495% earned
- 1254US9759489B2Heat treatment apparatus463 cites · 201492% earned
- 1350US5790750AProfiled substrate heating utilizing a support temperature and a substrate temperature441 cites · 199892% earned
- 1446US5097890AHeat treating apparatus with cooling fluid nozzles421 cites · 199295% earned
- 1542US5662470AVertical furnace408 cites · 199795% earned
- 1638US5249960AForced cooling apparatus for heat treatment apparatus381 cites · 199390% earned
- 1733US4802441ADouble wall fast cool-down furnace379 cites · 198994% earned
- 1829US5312245AParticulate trap for vertical furnace350 cites · 199494% earned
- 1925US4863374AKiln with ventilation system348 cites · 198994% earned
- 2021US6734401B2Enhanced sample processing devices, systems and methods336 cites · 200286% earned
- 2117US5155336ARapid thermal heating apparatus and method322 cites · 199282% earned
- 2213US6462310B1Hot wall rapid thermal processor301 cites · 200291% earned
- 238US6063333AMethod and apparatus for fabrication of cobalt alloy composite inserts286 cites · 200091% earned
- 244US9803926B2Support mechanism and substrate processing apparatus280 cites · 201594% earned
- 251US5120175AShape memory alloy fastener260 cites · 199294% earned
Rising· last 2 yrs
Assignees whose newest F27D patents became public in the last 2 years — the current frontier
- 199TOKYO ELECTRON LTD72 patents · 2,092 citations
- 296MOLTEN METAL EQUIPMENT INNOVATIONS LLC50 patents · 1,453 citations
- 392CORNING INC41 patents · 557 citations
- 488WURTH PAUL SA99 patents · 740 citations
- 583SUNCOKE TECH & DEVELOPMENT LLC14 patents · 202 citations
- 679NGK INSULATORS LTD58 patents · 460 citations
- 775INDUCTOTHERM CORP32 patents · 347 citations
- 871PYROTEK INC19 patents · 356 citations
- 967TAIHEIYO CEMENT CORP10 patents · 141 citations
- 1063JFE STEEL CORP56 patents · 60 citations
- 1158SYSTEMS SPRAY COOLED INC21 patents · 42 citations
- 1254ILLINOIS TOOL WORKS17 patents · 35 citations
- 1350BRAND SHARED SERVICES LLC8 patents · 31 citations
- 1446TORAY INDUSTRIES5 patents · 86 citations
- 1542DOGGONE INVEST CO LLC4 patents · 7 citations
- 1638TAIWAN SEMICONDUCTOR MFG CO LTD12 patents · 8 citations
- 1733HONEYWELL INT INC6 patents · 15 citations
- 1829KOKUSAI ELECTRIC CORP9 patents · 5 citations
- 1925THYSSENKRUPP IND SOLUTIONS AG12 patents · 5 citations
- 2021MACRAE TECH INC6 patents · 8 citations
- 2117BLASCH PREC CERAMICS INC5 patents · 4 citations
- 2213TMT TAPPING MEASURING TECH SARL6 patents · 5 citations
- 238LTAG SYSTEMS LLC3 patents · 7 citations
- 244QUANTUMSCAPE BATTERY INC4 patents · 0 citations
- 251INNOVATHERM PROF DR LEISENBERG GMBH CO KG2 patents · 27 citations
Active· last 5 yrs
Sustained F27D output across the last 5 years
- 199APPLIED MATERIALS INC60 patents · 2,125 citations
- 296TOKYO ELECTRON LTD72 patents · 2,092 citations
- 392MOLTEN METAL EQUIPMENT INNOVATIONS LLC50 patents · 1,453 citations
- 488CORNING INC41 patents · 557 citations
- 583TECH RESOURCES PTY LTD39 patents · 610 citations
- 679WURTH PAUL SA99 patents · 740 citations
- 775GEN ELECTRIC43 patents · 500 citations
- 871AIR LIQUIDE37 patents · 434 citations
- 967SUNCOKE TECH & DEVELOPMENT LLC14 patents · 202 citations
- 1063MATTSON TECH INC10 patents · 181 citations
- 1158NIPPON STEEL CORP53 patents · 511 citations
- 1254NGK INSULATORS LTD58 patents · 460 citations
- 1350INDUCTOTHERM CORP32 patents · 347 citations
- 1446CHUGAI RO KOGYO KAISHA LTD17 patents · 217 citations
- 1542PYROTEK INC19 patents · 356 citations
- 1638UNITED STATES STEEL CORP16 patents · 176 citations
- 1733DANIELI OFF MECC53 patents · 244 citations
- 1829TAIHEIYO CEMENT CORP10 patents · 141 citations
- 1925AIR PROD & CHEM25 patents · 152 citations
- 2021SAMSUNG ELECTRONICS CO LTD14 patents · 108 citations
- 2117MITSUBISHI HEAVY IND LTD19 patents · 109 citations
- 2213NOVELIS INC30 patents · 53 citations
- 238RESCO PRODUCTS INC8 patents · 65 citations
- 244TAKAHASHI KENZO17 patents · 76 citations
- 251AMERIFAB INC12 patents · 80 citations
All-time canon
All-time PatentIndex Score in F27D
- 199APPLIED MATERIALS INC60 patents · 2,125 citations
- 2963M INNOVATIVE PROPERTIES CO15 patents · 1,176 citations
- 392TOKYO ELECTRON LTD72 patents · 2,092 citations
- 488MOLTEN METAL TECH INC11 patents · 1,439 citations
- 583MOLTEN METAL EQUIPMENT INNOVATIONS LLC50 patents · 1,453 citations
- 679COOPER PAUL V19 patents · 1,418 citations
- 775TEL SAGAMI LTD13 patents · 1,175 citations
- 871FOSECO INT16 patents · 586 citations
- 967AMERICAN COMBUSTION INC9 patents · 394 citations
- 1063MORGAN CRUCIBLE CO7 patents · 291 citations
- 1158CORNING INC41 patents · 557 citations
- 1254PRAXAIR TECHNOLOGY INC43 patents · 1,059 citations
- 1350TECH RESOURCES PTY LTD39 patents · 610 citations
- 1446KOBE STEEL LTD46 patents · 626 citations
- 1542CLEARSIGN COMB CORP11 patents · 171 citations
- 1638CARBORUNDUM CO9 patents · 342 citations
- 1733DAINIPPON SCREEN MFG8 patents · 649 citations
- 1829IBM23 patents · 575 citations
- 1925METAULLICS SYSTEMS CO LP4 patents · 598 citations
- 2021WURTH PAUL SA99 patents · 740 citations
- 2117GEN ELECTRIC43 patents · 500 citations
- 2213UNION CARBIDE CORP19 patents · 423 citations
- 238AIR LIQUIDE37 patents · 434 citations
- 244GAS RES INST18 patents · 466 citations
- 251SUNCOKE TECH & DEVELOPMENT LLC14 patents · 202 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth