Topic leaderboard
Casting of metals
Ranked by the PatentIndex Score — a 1–99 percentile within B22D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B22D patents became public in the last 2 years — the current frontier
- 199Robert Bruce Wagstaff50 patents · 526 citations
- 296John Joseph Marcin57 patents · 404 citations
- 392John W. Wirtz, Ii11 patents · 242 citations
- 488Todd F. Bischoff14 patents · 177 citations
- 583Walter Blejde44 patents · 318 citations
- 679Sylvain Tremblay7 patents · 271 citations
- 775Steven J. Bullied53 patents · 180 citations
- 871Bing-Ling Chao12 patents · 95 citations
- 967Carl R. Verner27 patents · 105 citations
- 1063Dilip M. Shah27 patents · 83 citations
- 1158Michael K. Anderson13 patents · 84 citations
- 1254Andrea Carboni12 patents · 99 citations
- 1350Kevin Michael Gatenby16 patents · 108 citations
- 1446Axel Weyer27 patents · 102 citations
- 1542Joseph Yu8 patents · 62 citations
- 1638Qigui Wang48 patents · 66 citations
- 1733Qingyou Han22 patents · 57 citations
- 1829Craig Lee Shaber13 patents · 35 citations
- 1925Ryan C. Breneman26 patents · 32 citations
- 2021Guy Berton5 patents · 37 citations
- 2117Gianpietro Benedetti10 patents · 32 citations
- 2213Jon Conrad Schaeffer6 patents · 54 citations
- 238Christopher Raymond Hanslits7 patents · 43 citations
- 244Kenji Horii4 patents · 45 citations
- 251Jason Tetkoskie9 patents · 58 citations
Active· last 5 yrs
Sustained B22D output across the last 5 years
- 199Paul V. Cooper57 patents · 2,242 citations
- 296Vincent D. Fontana17 patents · 691 citations
- 392Richard S. Henderson14 patents · 467 citations
- 488Robert Bruce Wagstaff50 patents · 526 citations
- 583Alex Vayser7 patents · 160 citations
- 679Douglas Rimer7 patents · 160 citations
- 775Stephen Desantis7 patents · 160 citations
- 871Emanuel M. Sachs5 patents · 448 citations
- 967Mark A. Bright6 patents · 338 citations
- 1063John Joseph Marcin57 patents · 404 citations
- 1158John R. Paulus10 patents · 143 citations
- 1254John W. Wirtz, Ii11 patents · 242 citations
- 1350Todd F. Bischoff14 patents · 177 citations
- 1446Mitsuru Adachi7 patents · 180 citations
- 1542David A. Salee13 patents · 158 citations
- 1638Walter Blejde44 patents · 318 citations
- 1733Toshihiko Murakami13 patents · 195 citations
- 1829John Campbell11 patents · 192 citations
- 1925Sylvain Tremblay7 patents · 271 citations
- 2021Takashi Sato21 patents · 196 citations
- 2117Raymond J. Donahue29 patents · 251 citations
- 2213Steven J. Bullied53 patents · 180 citations
- 238Takashi Yamauchi9 patents · 142 citations
- 244Terrance M. Cleary23 patents · 220 citations
- 251Pradeep K. Rohatgi10 patents · 144 citations
All-time canon
Career PatentIndex Score in B22D
- 199James G. Withers5 patents · 575 citations
- 296Jowie Abcede5 patents · 575 citations
- 392Lori Bracamonte5 patents · 575 citations
- 488William L. Johnson25 patents · 1,220 citations
- 583Atakan Peker12 patents · 1,002 citations
- 679Paul V. Cooper57 patents · 2,242 citations
- 775Vincent D. Fontana17 patents · 691 citations
- 871George S. Mordue9 patents · 1,033 citations
- 967Donald J. Frasier24 patents · 733 citations
- 1063Sidney L. Findley5 patents · 527 citations
- 1158Richard S. Henderson14 patents · 467 citations
- 1254Floyd Freeman Trees5 patents · 327 citations
- 1350Heidi Mueller-Largent5 patents · 327 citations
- 1446James Paul Hoff5 patents · 327 citations
- 1542James Rodney Whetstone5 patents · 327 citations
- 1638John H. Lane5 patents · 327 citations
- 1733Kurt F. O'Connor5 patents · 327 citations
- 1829Ralph Edward Jeffries5 patents · 327 citations
- 1925Kaname Kono15 patents · 505 citations
- 2021Anthony J. Bauer8 patents · 248 citations
- 2117Thomas R. Callahan8 patents · 248 citations
- 2213Charles Moehling7 patents · 243 citations
- 238Ronald R. Evers7 patents · 243 citations
- 244Edward R. Hanson6 patents · 242 citations
- 251Akihisa Inoue23 patents · 783 citations
Rising· last 2 yrs
The top-scoring B22D patents made public in the last 2 years
- 199US12261090B2✦ AIComposite substrate and method of producing the composite substrate, and semiconductor dev2 cites · 202467% earned
- 296US12361588B1✦ AIMachine vision-based crystallizer nozzle centering method and system1 cites · 202567% earned
- 392US12121957B1✦ AIMethod for improving smooth running of casting of rare earth stainless steel using pulse c2 cites · 202476% earned
- 488US11933369B1Clutch device, motorcycle, and method for producing pressure plate2 cites · 202476% earned
- 583US11980933B2Closed-loop control method and system for mold temperature in wheel casting process2 cites · 202476% earned
- 679US12403528B2Aluminum manufacturing process with retroaction loop1 cites · 202556% earned
- 775US12121971B2Real-time molten droplet analyzer with spatial modulation in additive manufacturing2 cites · 202476% earned
- 871US12121955B1Foundry core for manufacturing a hollow metal aeronautical part2 cites · 202476% earned
- 967US12260974B1Stranded wire conductors and methods for manufacturing stranded wires1 cites · 202567% earned
- 1063US11951535B1Casting furnace featuring submerged, mechanical control of liquid level1 cites · 202467% earned
- 1158US11878342B1Vacuum smelting device with mold temperature control design and method for manufacturing a1 cites · 202467% earned
- 1254US12403529B2Use of a basic oxygen furnace to produce granulated metallic units, and associated systems0 cites · 20250% earned
- 1350US12263522B2Smart molten metal pump0 cites · 20240% earned
- 1446US12331614B2Methods, apparatus and systems for creating wellbore plugs for abandoned wells0 cites · 20240% earned
- 1542US12128475B2Cluster for and method of casting golf club heads0 cites · 20240% earned
- 1638US12494475B2Battery electrode continuous casting shoe, machine and method0 cites · 20240% earned
- 1733US12286940B2Parent bore cylinder block of an opposed-piston engine0 cites · 20240% earned
- 1829US12378652B2Fe-based amorphous alloy ribbon, production method thereof, iron core, and transformer0 cites · 20240% earned
- 1925US12510145B2Bicycle front sprocket0 cites · 20250% earned
- 2021US12465224B2Blood pressure measurement apparatus and methods of use thereof0 cites · 20240% earned
- 2117US12546100B2Composite faucet body and internal waterway0 cites · 20240% earned
- 2213US12377459B2Multi-diameter wire feeder0 cites · 20240% earned
- 238US12404652B2Loader lift arm0 cites · 20240% earned
- 244US12434295B2Arcuate seed casting method0 cites · 20240% earned
- 251US12332631B2Agent-based slicing for 3D object models0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B22D patents of the last 5 years
- 199US11180820B1✦ AIHot-work die steel and a preparation method thereof42 cites · 202192% earned
- 296US11519414B2✦ AITensioned rotor shaft for molten metal18 cites · 202177% earned
- 392US10941464B1✦ AIMetal nanoparticle composites and manufacturing methods thereof by ultrasonic casting14 cites · 202189% earned
- 488US11577307B2Cluster for and method of casting golf club heads7 cites · 202275% earned
- 583US11130023B1Golf club head8 cites · 202173% earned
- 679US11813669B2Method for making an integrated core-shell structure5 cites · 202277% earned
- 775US11185915B2Deposition of reactive metals with protection layer for high volume manufacturing6 cites · 202171% earned
- 871US12002966B2Battery electrode continuous casting drum, shoe, machine and method4 cites · 202270% earned
- 967US11268251B1Tooth for compactor vehicle and associated method5 cites · 202277% earned
- 1063US12261090B2Composite substrate and method of producing the composite substrate, and semiconductor dev2 cites · 202467% earned
- 1158US11634002B2Vehicle body frame using component integration type rear lower5 cites · 202284% earned
- 1254US11648609B1Die-casting die, die-casting device and ultra-high speed die-casting method4 cites · 202382% earned
- 1350US12361588B1Machine vision-based crystallizer nozzle centering method and system1 cites · 202567% earned
- 1446US12121957B1Method for improving smooth running of casting of rare earth stainless steel using pulse c2 cites · 202476% earned
- 1542US11571740B2Fabricated shape estimation for additive manufacturing processes5 cites · 202184% earned
- 1638US11883876B2Dynamic mold shape control for direct chill casting3 cites · 202272% earned
- 1733US11800951B1Cast iron composite cooking vessel3 cites · 202380% earned
- 1829US11302457B2Aluminum alloy wire, aluminum alloy strand wire, covered electrical wire, and terminal-equ4 cites · 202170% earned
- 1925US12194528B2Shrink-fitting process for making an erosion and wear resistant shot chamber for die casti2 cites · 202376% earned
- 2021US11933369B1Clutch device, motorcycle, and method for producing pressure plate2 cites · 202476% earned
- 2117US11980933B2Closed-loop control method and system for mold temperature in wheel casting process2 cites · 202476% earned
- 2213US11788615B2Bicycle front sprocket3 cites · 202163% earned
- 238US11440146B1Mini-core surface bonding3 cites · 202272% earned
- 244US11192176B1Method for improving center segregation and surface crack of continuous casting medium thi3 cites · 202180% earned
- 251US12002943B2Battery electrode continuous casting shoe, machine and method4 cites · 202264% earned
All-time canon
The defining B22D patents of the whole record
- 199US5158128A✦ AIThermocouple for a continuous casting machine498 cites · 199295% earned
- 296US4499795A✦ AIMethod of drill bit manufacture334 cites · 198594% earned
- 392US5766091A✦ AIInvestment casting of golf club heads with high density inserts321 cites · 199894% earned
- 488US4288841ADouble cavity semiconductor chip carrier295 cites · 198194% earned
- 583US4818562ACasting shapes253 cites · 198994% earned
- 679US5567251AAmorphous metal/reinforcement composite material229 cites · 199691% earned
- 775US6073518ABit manufacturing method225 cites · 200091% earned
- 871US7893789B2Waveguide transitions and method of forming components218 cites · 200894% earned
- 967US4142571AContinuous casting method for metallic strips211 cites · 197994% earned
- 1063US6220117B1Methods of high temperature infiltration of drill bits and infiltrating binder208 cites · 200194% earned
- 1158US5775402AEnhancement of thermal properties of tooling made by solid free form fabrication technique203 cites · 199888% earned
- 1254US7410606B2Methods for manufacturing three-dimensional devices and devices created thereby202 cites · 200482% earned
- 1350US6637500B2Cores for use in precision investment casting200 cites · 200391% earned
- 1446US5711363ADie casting of bulk-solidifying amorphous alloys199 cites · 199894% earned
- 1542US5535495ADie cast bullet manufacturing process197 cites · 199694% earned
- 1638US5709615AGolf club head with a hitting face plate and a club neck which are integrally formed with 196 cites · 199894% earned
- 1733US5040589AMethod and apparatus for the injection molding of metal alloys193 cites · 199194% earned
- 1829US5388633AMethod and apparatus for charging metal to a die cast192 cites · 199594% earned
- 1925US5373907AMethod and apparatus for manufacturing and inspecting the quality of a matrix body drill b188 cites · 199494% earned
- 2021US5219408AOne-body precision cast metal wood186 cites · 199388% earned
- 2117US6780368B2Layer manufacturing of a multi-material or multi-color 3-D object using electrostatic imag179 cites · 200294% earned
- 2213US6089123AStructure for use in drilling a subterranean formation172 cites · 200090% earned
- 238US6555539B2Indazole compounds, pharmaceutical compositions, and methods for mediating or inhibiting c171 cites · 200286% earned
- 244US3986867AIron-chromium series amorphous alloys170 cites · 197694% earned
- 251US5257657AMethod for producing a free-form solid-phase object from a material in the liquid phase161 cites · 199394% earned
Rising· last 2 yrs
Assignees whose newest B22D patents became public in the last 2 years — the current frontier
- 199MOLTEN METAL EQUIPMENT INNOVATIONS LLC50 patents · 1,510 citations
- 296GEN ELECTRIC227 patents · 3,384 citations
- 392TOYOTA MOTOR CO LTD122 patents · 1,129 citations
- 488HONDA MOTOR CO LTD144 patents · 1,223 citations
- 583NOVELIS INC81 patents · 413 citations
- 679CALIFORNIA INST OF TECHN22 patents · 430 citations
- 775FOSECO INT72 patents · 742 citations
- 871WAGSTAFF INC37 patents · 331 citations
- 967YKK CORP15 patents · 259 citations
- 1063ALD VACUUM TECHN GMBH18 patents · 230 citations
- 1158TAYLOR MADE GOLF CO13 patents · 167 citations
- 1254DANIELI OFF MECC100 patents · 506 citations
- 1350MAZDA MOTOR39 patents · 413 citations
- 1446CATERPILLAR INC21 patents · 221 citations
- 1542JAPAN STEEL WORKS LTD23 patents · 168 citations
- 1638NUCOR CORP95 patents · 337 citations
- 1733PYROTEK INC22 patents · 276 citations
- 1829ROLLS ROYCE PLC29 patents · 174 citations
- 1925SUMITOMO ELECTRIC INDUSTRIES24 patents · 103 citations
- 2021SEIKO EPSON CORP22 patents · 85 citations
- 2117NIPPON YAKIN KOGYO CO LTD10 patents · 87 citations
- 2213JFE STEEL CORP68 patents · 84 citations
- 238HYUNDAI MOTOR CO LTD69 patents · 122 citations
- 244BOEING CO19 patents · 66 citations
- 251UACJ CORP19 patents · 38 citations
Active· last 5 yrs
Sustained B22D output across the last 5 years
- 199MOLTEN METAL EQUIPMENT INNOVATIONS LLC50 patents · 1,510 citations
- 296MASSACHUSETTS INST TECHNOLOGY28 patents · 995 citations
- 392GEN ELECTRIC227 patents · 3,384 citations
- 488UNITED TECHNOLOGIES CORP157 patents · 1,646 citations
- 583SUMITOMO RUBBER IND11 patents · 326 citations
- 679INVUITY INC7 patents · 160 citations
- 775TOYOTA MOTOR CO LTD122 patents · 1,129 citations
- 871HONDA MOTOR CO LTD144 patents · 1,223 citations
- 967NOVELIS INC81 patents · 413 citations
- 1063HONEYWELL INT INC19 patents · 342 citations
- 1158NIPPON STEEL CORP204 patents · 2,105 citations
- 1254HITACHI METALS LTD76 patents · 674 citations
- 1350CALIFORNIA INST OF TECHN22 patents · 430 citations
- 1446NISSAN MOTOR25 patents · 338 citations
- 1542FOSECO INT72 patents · 742 citations
- 1638TOSHIBA KK16 patents · 254 citations
- 1733WAGSTAFF INC37 patents · 331 citations
- 1829YKK CORP15 patents · 259 citations
- 1925ALD VACUUM TECHN GMBH18 patents · 230 citations
- 2021HAZELETT STRIP CASTING CORP49 patents · 758 citations
- 2117SHOWA DENKO KK22 patents · 258 citations
- 2213DEERE & CO13 patents · 182 citations
- 238UNIV NORTHEASTERN10 patents · 171 citations
- 244INDUCTOTHERM CORP19 patents · 265 citations
- 251BRUNSWICK CORP42 patents · 397 citations
All-time canon
All-time PatentIndex Score in B22D
- 199ATS MER LLC5 patents · 575 citations
- 296BAKER HUGHES INC18 patents · 890 citations
- 392MOLTEN METAL EQUIPMENT INNOVATIONS LLC50 patents · 1,510 citations
- 488MASSACHUSETTS INST TECHNOLOGY28 patents · 995 citations
- 583COOPER PAUL V8 patents · 561 citations
- 679GEN ELECTRIC227 patents · 3,384 citations
- 775ALCOA INC66 patents · 936 citations
- 871DOW CHEMICAL CO8 patents · 639 citations
- 967UNITED TECHNOLOGIES CORP157 patents · 1,646 citations
- 1063AMSTED IND INC23 patents · 463 citations
- 1158TAKATA CORP19 patents · 525 citations
- 1254ALUSUISSE47 patents · 973 citations
- 1350ALUMINUM CO OF AMERICA73 patents · 1,762 citations
- 1446ALLIED CHEM21 patents · 711 citations
- 1542LEMELSON JEROME H13 patents · 626 citations
- 1638ALCAN INT LTD57 patents · 1,128 citations
- 1733GEN MOTORS CORP93 patents · 1,400 citations
- 1829CONS ENG CO10 patents · 435 citations
- 1925WESTINGHOUSE ELECTRIC CORP25 patents · 649 citations
- 2021TOSHIBA MACHINE CO LTD121 patents · 1,560 citations
- 2117SUMITOMO RUBBER IND11 patents · 326 citations
- 2213INVUITY INC7 patents · 160 citations
- 238TOYOTA MOTOR CO LTD122 patents · 1,129 citations
- 244ALLISON ENGINE CO INC7 patents · 251 citations
- 251HOWMET RES CORP31 patents · 708 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth