Topic leaderboard
Furnaces, kilns, ovens or retorts
Ranked by the PatentIndex Score — a 1–99 percentile within F27B · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest F27B patents became public in the last 2 years — the current frontier
- 199Gary Dean West6 patents · 94 citations
- 296Jason Crum6 patents · 94 citations
- 392John Francis Quanci6 patents · 94 citations
- 488Mark Anthony Ball6 patents · 94 citations
- 583Chris G. M. De Ridder10 patents · 886 citations
- 679Viswanathan Venkateswaran8 patents · 88 citations
- 775Kenzo Takahashi11 patents · 54 citations
- 871Dell Joseph St Julien5 patents · 15 citations
- 967Jacqueline Leslie Brown5 patents · 15 citations
- 1063Jeremy Paananen5 patents · 15 citations
- 1158John Albert Olenick5 patents · 15 citations
- 1254Kathleen Ritter Olenick5 patents · 15 citations
- 1350Lanrik Wayne Kester5 patents · 15 citations
- 1446Michael Edward Badding5 patents · 15 citations
- 1542Nathan Michael Zink5 patents · 15 citations
- 1638Roman E Hurny5 patents · 15 citations
- 1733Thomas Dale Ketcham5 patents · 15 citations
- 1829Thomas Silverblatt5 patents · 15 citations
- 1925Timothy Joseph Curry5 patents · 15 citations
- 2021William Joseph Bouton5 patents · 15 citations
- 2117Allan J. Macrae12 patents · 24 citations
- 2213Anthony Stephen Harris5 patents · 29 citations
- 238Eduardo Fernando D'Oracio De Almeida5 patents · 29 citations
- 244Daniel C. Charles3 patents · 45 citations
- 251Sharla Evatt3 patents · 45 citations
Active· last 5 yrs
Sustained F27B output across the last 5 years
- 199Paul V. Cooper17 patents · 793 citations
- 296Niall Donnelly7 patents · 123 citations
- 392Sriram Iyer7 patents · 123 citations
- 488Tim Holme7 patents · 123 citations
- 583Gary Dean West6 patents · 94 citations
- 679Jason Crum6 patents · 94 citations
- 775John Francis Quanci6 patents · 94 citations
- 871Mark Anthony Ball6 patents · 94 citations
- 967Donald John Lake13 patents · 56 citations
- 1063Joseph M. Ranish16 patents · 140 citations
- 1158Chris T. Vild7 patents · 369 citations
- 1254Chris G. M. De Ridder10 patents · 886 citations
- 1350Rodney James Dry20 patents · 147 citations
- 1446Tetsuya Yamamoto7 patents · 154 citations
- 1542Viswanathan Venkateswaran8 patents · 88 citations
- 1638James L. Lewis, Jr.6 patents · 93 citations
- 1733Edward L. Erny6 patents · 66 citations
- 1829Thomas F. Robertson9 patents · 53 citations
- 1925William R. Jones9 patents · 54 citations
- 2021Kenzo Takahashi11 patents · 54 citations
- 2117Wolfgang Aderhold8 patents · 46 citations
- 2213Jean-Luc Roth8 patents · 41 citations
- 238Angelico Della Negra9 patents · 42 citations
- 244Matthew A. Cibula8 patents · 28 citations
- 251Paul E. King8 patents · 28 citations
All-time canon
Career PatentIndex Score in F27B
- 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
- 583Kenneth B. Wood8 patents · 505 citations
- 679Christopher J. Nagel6 patents · 745 citations
- 775Paul V. Cooper17 patents · 793 citations
- 871Mahlon D. Dennis7 patents · 678 citations
- 967Michael R. Harms5 patents · 379 citations
- 1063Paul R. Mchugh5 patents · 699 citations
- 1158Gregory M. Gitman10 patents · 462 citations
- 1254Paul Janis Timans15 patents · 421 citations
- 1350Grigori Galperine6 patents · 256 citations
- 1446Stanislav I. Zhigach6 patents · 256 citations
- 1542Raj Rajagopal5 patents · 480 citations
- 1638Ronald E. Erickson9 patents · 526 citations
- 1733Eric R. Hansen20 patents · 478 citations
- 1829Theodore J. Reese10 patents · 312 citations
- 1925Michel R. Benoit10 patents · 320 citations
- 2021Kevin B. Peck11 patents · 502 citations
- 2117Takao Harada10 patents · 282 citations
- 2213Willie H. Best6 patents · 252 citations
- 238Kevin Stoddard4 patents · 679 citations
- 244Konstantinos Tsakalis4 patents · 679 citations
- 251Ovidiu Marin8 patents · 306 citations
Rising· last 2 yrs
The top-scoring F27B 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
- 392US11971216B1✦ AIRetort with loading window2 cites · 202476% earned
- 488US11898798B1High-efficiency photonic furnaces for metal production1 cites · 202456% earned
- 583US11946698B1Metal melting furnace including a stirring device1 cites · 202467% earned
- 679US12421109B2Process and apparatus for cracking ammonia1 cites · 202467% earned
- 775US11932941B1Load assemblies for loading parts in a furnace1 cites · 202467% earned
- 871US12263522B2Smart molten metal pump0 cites · 20240% earned
- 967US12371760B2Apparatus and method for production of high purity copper-based alloys0 cites · 20240% earned
- 1063US12512338B2Heater lift assembly spring damper0 cites · 20240% earned
- 1158US11927395B2Refractory anchor device and system0 cites · 20240% earned
- 1254US12240143B2Rapid ceramic processing techniques and equipment0 cites · 20240% earned
- 1350US12387949B2Substrate processing apparatus0 cites · 20240% earned
- 1446US12467141B2Injector configured for arrangement within a reaction chamber of a substrate processing ap0 cites · 20240% earned
- 1542US12305119B2Decarbonization of coke ovens and associated systems and methods0 cites · 20240% earned
- 1638US12392050B2Infrared transmissivity measurement method of quartz glass crucible0 cites · 20240% earned
- 1733US12412758B2Workpiece processing apparatus with thermal processing systems0 cites · 20240% earned
- 1829US12305923B2Rotary kiln preheater thermal monitoring systems0 cites · 20240% earned
- 1925US12195836B2Method for heat treating components0 cites · 20240% earned
- 2021US12467578B2Displacement control device for seismic events0 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
- 238US12385694B2Reflow furnace0 cites · 20240% earned
- 244US12341032B2Methods of selective oxidation on rapid thermal processing (RTP) chamber with active steam0 cites · 20240% earned
- 251US12359668B2Mold pump engagement apparatus0 cites · 20240% earned
Active· last 5 yrs
The top-scoring F27B patents of the last 5 years
- 199US11186778B2✦ AISystem and method for repairing a coke oven25 cites · 202182% earned
- 296US11174199B2✦ AICementitious reagents, methods of manufacturing and uses thereof16 cites · 202167% earned
- 392US11643602B2✦ AIDecarbonization of coke ovens, and associated systems and methods11 cites · 202278% earned
- 488US11953264B2Manufacturing line, process, and sintered article5 cites · 202465% earned
- 583US11456274B1Method of using a processing oven6 cites · 202285% earned
- 679US11851730B2Apparatus and method for production of high purify copper-based alloys4 cites · 202362% earned
- 775US11015127B2Continuous reflux reactor under pressure and controlled condenser system for thermochemica8 cites · 202180% earned
- 871US12085340B2Recombinant virus, composition comprising the same, and uses thereof5 cites · 202372% earned
- 967US11254397B1Ship for removal of plastic for ocean clean up6 cites · 202285% earned
- 1063US11626213B2Sodium vaporizer and methods7 cites · 202179% earned
- 1158US11320204B2Continuous concentrate feeding equipment7 cites · 202286% earned
- 1254US11998886B2Regenerative cooling method and apparatus5 cites · 202277% earned
- 1350US11367632B2Heater lift assembly spring damper5 cites · 202169% earned
- 1446US11621168B1Method and system for doping semiconductor materials3 cites · 202380% earned
- 1542US11237124B2Predictive refractory performance measurement system4 cites · 202175% earned
- 1638US11709019B2Sealing system for a machine for thermal treatment of bulk material4 cites · 202175% earned
- 1733US11598522B2Multi-burner rotary furnace melting system and method4 cites · 202182% earned
- 1829US11940216B1High-temperature flue gas recovery apparatus for melting furnace2 cites · 202476% earned
- 1925US11407945B2Heat treatment apparatus4 cites · 202282% earned
- 2021US11653426B2Methods of protecting furnace electrodes with cooling liquid that contains an additive3 cites · 202161% earned
- 2117US11243273B2Estimation or control of lengths and positions of one or more transversely localized elect3 cites · 202172% earned
- 2213US11767575B2Vortex scrap metal injector3 cites · 202280% earned
- 238US11680980B2Semiconductor burn-in oven chamber sealing3 cites · 202280% earned
- 244US11852414B2Device for maintaining a tap hole of an electric arc furnace3 cites · 202180% earned
- 251US11702713B2Process and plant for preheating a metal charge fed in continuous to an electric melting f4 cites · 202175% earned
All-time canon
The defining F27B patents of the whole record
- 199US4753192A✦ AIMovable core fast cool-down furnace595 cites · 198895% earned
- 296US6884066B2✦ AIThermal process station with heated lid553 cites · 200495% earned
- 392US6441350B1✦ AITemperature control system for a thermal reactor530 cites · 200289% earned
- 488US9202727B2Susceptor heater shim524 cites · 201395% earned
- 583US7432476B2Substrate heat treatment apparatus502 cites · 200695% earned
- 679US6818864B2LED heat lamp arrays for CVD heating480 cites · 200490% earned
- 775US9349620B2Apparatus and method for pre-baking substrate upstream of process chamber472 cites · 201695% earned
- 871US9018567B2Wafer processing apparatus with heated, rotating substrate support470 cites · 201395% earned
- 967US7850449B2Heat treatment equipment466 cites · 200895% earned
- 1063US9759489B2Heat treatment apparatus463 cites · 201492% earned
- 1158US7173216B2LED heat lamp arrays for CVD heating423 cites · 200590% earned
- 1254US5097890AHeat treating apparatus with cooling fluid nozzles421 cites · 199295% earned
- 1350US5662470AVertical furnace408 cites · 199795% earned
- 1446US5461214AHigh performance horizontal diffusion furnace system397 cites · 199587% earned
- 1542US4738618AVertical thermal processor394 cites · 198895% earned
- 1638US5249960AForced cooling apparatus for heat treatment apparatus381 cites · 199390% earned
- 1733US7195479B2Hot liner insertion/removal fixture374 cites · 200492% earned
- 1829US4250817ABurner furnace for solid fuels and a method of burning different kinds of solid fuel in th359 cites · 198194% earned
- 1925US4925388AApparatus for heat treating substrates capable of quick cooling357 cites · 199094% earned
- 2021US6328561B1Method for cooling a furnace, and furnace provided with a cooling device354 cites · 200194% earned
- 2117US4863374AKiln with ventilation system348 cites · 198994% earned
- 2213US5569402ACuring oven for magazine holding computer chip lead frames, providing flow direction contr348 cites · 199694% earned
- 238US6734401B2Enhanced sample processing devices, systems and methods336 cites · 200286% earned
- 244US5155336ARapid thermal heating apparatus and method322 cites · 199282% earned
- 251US6462310B1Hot wall rapid thermal processor301 cites · 200291% earned
Rising· last 2 yrs
Assignees whose newest F27B patents became public in the last 2 years — the current frontier
- 199APPLIED MATERIALS INC66 patents · 1,643 citations
- 296TOKYO ELECTRON LTD68 patents · 1,246 citations
- 392CORNING INC39 patents · 536 citations
- 488MOLTEN METAL EQUIPMENT INNOVATIONS LLC13 patents · 192 citations
- 583WURTH PAUL SA91 patents · 570 citations
- 679INDUCTOTHERM CORP25 patents · 255 citations
- 775NGK INSULATORS LTD45 patents · 309 citations
- 871SUNCOKE TECH & DEVELOPMENT LLC6 patents · 94 citations
- 967AIR PROD & CHEM25 patents · 182 citations
- 1063ASM IP HOLDING BV20 patents · 489 citations
- 1158TORAY INDUSTRIES6 patents · 92 citations
- 1254JFE STEEL CORP46 patents · 46 citations
- 1350ILLINOIS TOOL WORKS18 patents · 38 citations
- 1446BRAND SHARED SERVICES LLC5 patents · 29 citations
- 1542TAIWAN SEMICONDUCTOR MFG CO LTD13 patents · 14 citations
- 1638SST SYSTEMS INC6 patents · 14 citations
- 1733PYROTEK INC10 patents · 81 citations
- 1829KOKUSAI ELECTRIC CORP14 patents · 14 citations
- 1925DOGGONE INVEST CO LLC4 patents · 7 citations
- 2021ARCELORMITTAL9 patents · 10 citations
- 2117THYSSENKRUPP IND SOLUTIONS AG13 patents · 7 citations
- 2213QUANTUMSCAPE BATTERY INC6 patents · 0 citations
- 238QUANTUM IR TECH LLC4 patents · 3 citations
- 244INNOVATHERM PROF DR LEISENBERG GMBH CO KG2 patents · 27 citations
- 251SUMCO CORP5 patents · 2 citations
Active· last 5 yrs
Sustained F27B output across the last 5 years
- 199APPLIED MATERIALS INC66 patents · 1,643 citations
- 296TOKYO ELECTRON LTD68 patents · 1,246 citations
- 392MATTSON TECH INC23 patents · 514 citations
- 488CORNING INC39 patents · 536 citations
- 583MOLTEN METAL EQUIPMENT INNOVATIONS LLC13 patents · 192 citations
- 679GEN ELECTRIC46 patents · 563 citations
- 775AIR LIQUIDE39 patents · 455 citations
- 871US ENERGY13 patents · 253 citations
- 967WURTH PAUL SA91 patents · 570 citations
- 1063INDUCTOTHERM CORP25 patents · 255 citations
- 1158NGK INSULATORS LTD45 patents · 309 citations
- 1254BROOKS AUTOMATION INC6 patents · 609 citations
- 1350SUNCOKE TECH & DEVELOPMENT LLC6 patents · 94 citations
- 1446TERRA CO2 TECH HOLDINGS INC13 patents · 56 citations
- 1542DANIELI OFF MECC48 patents · 248 citations
- 1638MITSUBISHI HEAVY IND LTD19 patents · 161 citations
- 1733AIR PROD & CHEM25 patents · 182 citations
- 1829TAIHEIYO CEMENT CORP10 patents · 142 citations
- 1925NIPPON STEEL CORP30 patents · 160 citations
- 2021MAERZ OFENBAU16 patents · 99 citations
- 2117UNITED TECHNOLOGIES CORP13 patents · 72 citations
- 2213ASM IP HOLDING BV20 patents · 489 citations
- 238TORAY INDUSTRIES6 patents · 92 citations
- 244SMIDTH AS F L16 patents · 57 citations
- 251TAKAHASHI KENZO10 patents · 54 citations
All-time canon
All-time PatentIndex Score in F27B
- 199APPLIED MATERIALS INC66 patents · 1,643 citations
- 2963M INNOVATIVE PROPERTIES CO15 patents · 1,176 citations
- 392TEL SAGAMI LTD17 patents · 1,403 citations
- 488MOLTEN METAL TECH INC7 patents · 868 citations
- 583DAINIPPON SCREEN MFG15 patents · 1,156 citations
- 679TOKYO ELECTRON LTD68 patents · 1,246 citations
- 775COOPER PAUL V5 patents · 369 citations
- 871MATTSON TECH INC23 patents · 514 citations
- 967AMERICAN COMBUSTION INC10 patents · 462 citations
- 1063KOBE STEEL LTD48 patents · 787 citations
- 1158CORNING INC39 patents · 536 citations
- 1254TECH RESOURCES PTY LTD32 patents · 548 citations
- 1350MOLTEN METAL EQUIPMENT INNOVATIONS LLC13 patents · 192 citations
- 1446THERMTEC INC7 patents · 492 citations
- 1542GEN ELECTRIC46 patents · 563 citations
- 1638GAS RES INST22 patents · 460 citations
- 1733CHUGAI RO KOGYO KAISHA LTD23 patents · 383 citations
- 1829PRAXAIR TECHNOLOGY INC21 patents · 421 citations
- 1925CADENCE CHEM RESOURCES INC7 patents · 229 citations
- 2021MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 patents · 307 citations
- 2117AIR LIQUIDE39 patents · 455 citations
- 2213WESTINGHOUSE ELECTRIC CORP18 patents · 341 citations
- 238CADENCE ENVIRONMENTAL ENERGY11 patents · 264 citations
- 244JUPITER OXYGEN CORP5 patents · 146 citations
- 251US ENERGY13 patents · 253 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth