Topic leaderboard
CPC B21F
Ranked by the PatentIndex Score — a 1–99 percentile within B21F · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B21F patents became public in the last 2 years — the current frontier
- 199Douglas Brandt6 patents · 343 citations
- 296Rick M. Matty6 patents · 343 citations
- 392Giorgio Del Fabro33 patents · 193 citations
- 488Osamu Itagaki29 patents · 68 citations
- 583Akira Kasahara20 patents · 27 citations
- 679Takeshi Morijiri16 patents · 13 citations
- 775Klaus-Friedrich Grubert5 patents · 9 citations
- 871Michael Stumpf5 patents · 9 citations
- 967Norihiro Nagai6 patents · 9 citations
- 1063Felix L. Sorkin6 patents · 0 citations
- 1158Seung Min Choi3 patents · 4 citations
- 1254Heinz Rhyner2 patents · 3 citations
- 1350Mario Reut2 patents · 3 citations
- 1446Shinpei Sugihara10 patents · 0 citations
- 1542Alexej Butov2 patents · 2 citations
- 1638Anna-Katharina Schreiner2 patents · 2 citations
- 1733Benjamin Nichols2 patents · 2 citations
- 1829John J. Meyer2 patents · 2 citations
- 1925Marcel Purrio2 patents · 2 citations
- 2021Theodor Wenniges2 patents · 2 citations
- 2117Alexander H. Slocum1 patents · 2 citations
- 2213Jonathan T. Slocum1 patents · 2 citations
- 238Masato Utsugi3 patents · 0 citations
- 244Brian Gaffney2 patents · 0 citations
- 251James J. Scutti2 patents · 0 citations
Active· last 5 yrs
Sustained B21F output across the last 5 years
- 199Neill Hamilton Luebke14 patents · 107 citations
- 296Douglas Brandt6 patents · 343 citations
- 392Rick M. Matty6 patents · 343 citations
- 488Robert E. Isaacs6 patents · 165 citations
- 583Giorgio Del Fabro33 patents · 193 citations
- 679Osamu Itagaki29 patents · 68 citations
- 775Ichiro Kusakari13 patents · 58 citations
- 871Neil R. Crawford8 patents · 40 citations
- 967Nicholas Theodore8 patents · 40 citations
- 1063Akira Kasahara20 patents · 27 citations
- 1158Takahiro Nagaoka11 patents · 41 citations
- 1254Stefan Fries5 patents · 30 citations
- 1350Takeshi Morijiri16 patents · 13 citations
- 1446John C. Oslund5 patents · 30 citations
- 1542Anna G. U. S. Newcomb4 patents · 26 citations
- 1638Philip M. Reyes4 patents · 26 citations
- 1733Seungwon Baek4 patents · 26 citations
- 1829Kirk Neet4 patents · 29 citations
- 1925Klaus-Friedrich Grubert5 patents · 9 citations
- 2021Michael Stumpf5 patents · 9 citations
- 2117William Henry Ollis4 patents · 21 citations
- 2213Tadasuke Matsuno8 patents · 10 citations
- 238Takanori Ban4 patents · 9 citations
- 244Loren R. Graber3 patents · 12 citations
- 251Wendell J. Miller3 patents · 12 citations
All-time canon
Career PatentIndex Score in B21F
- 199James Segermark24 patents · 3,706 citations
- 296Rudy Mazzocchi24 patents · 3,706 citations
- 392Timothy J. Claude24 patents · 3,706 citations
- 488Curtis Amplatz6 patents · 3,881 citations
- 583Dominik M. Wiktor11 patents · 5,032 citations
- 679Andrew J. Denardo7 patents · 1,335 citations
- 775David A. Ferrera5 patents · 924 citations
- 871Lok A. Lei5 patents · 924 citations
- 967Peter Wilson5 patents · 924 citations
- 1063Cesare Gianturco4 patents · 4,518 citations
- 1158Jacob Richter9 patents · 718 citations
- 1254Thomas Weise13 patents · 837 citations
- 1350Friedrich Riemeier13 patents · 817 citations
- 1446Werner Butscher13 patents · 817 citations
- 1542Rudger Rubbert8 patents · 623 citations
- 1638Rohit Sachdeva12 patents · 706 citations
- 1733David W. Mayer4 patents · 956 citations
- 1829Alvin E. Reynolds7 patents · 607 citations
- 1925Andrew Cordell5 patents · 194 citations
- 2021Christoph Radinger5 patents · 194 citations
- 2117Frank Witte5 patents · 194 citations
- 2213James J. Rudnick4 patents · 624 citations
- 238Neill Hamilton Luebke14 patents · 107 citations
- 244Ruedger Rubbert5 patents · 214 citations
- 251Niels S. Mossbeck11 patents · 202 citations
Rising· last 2 yrs
The top-scoring B21F patents made public in the last 2 years
- 199US12303966B1✦ AIMolding machines for flexible production of rebars of bottom, web, and top plates of preca1 cites · 202567% earned
- 296US12162696B2✦ AIMethod for transferring coil springs from a coil winding device to a conveyor belt of a po1 cites · 202450% earned
- 392US11986877B1✦ AIActivated aluminum formation2 cites · 202476% earned
- 488US12465461B2Methods of forming wire attachment dental appliances0 cites · 20240% earned
- 583US12083579B2Frameless lightweight post-tensioning jack and method for using same0 cites · 20240% earned
- 679US12448794B2Binding machine0 cites · 20240% earned
- 775US12463512B2Method of inserting a hairpin0 cites · 20240% earned
- 871US12256956B2Methods for coupling device components and related devices having such components0 cites · 20240% earned
- 967US12521812B2Metal wire feeding system0 cites · 20250% earned
- 1063US12509894B2Portable hot swaged coupling device for connecting articles0 cites · 20250% earned
- 1158US12303964B2Binding machine0 cites · 20240% earned
- 1254US12201453B2Microneedle fabrication and device implantation0 cites · 20240% earned
- 1350US12173743B2Wire thread insert0 cites · 20240% earned
- 1446US12544827B2Apparatus for loading a cage welding machine and cage welding machine0 cites · 20240% earned
- 1542US12496629B2Tool for wire forming0 cites · 20240% earned
- 1638US12358041B2Device for picking up bars and corresponding method0 cites · 20240% earned
- 1733US12027807B2Adjustable funnel or guide for a terminal applicator0 cites · 20240% earned
- 1829US12589428B2Lock regulation mechanism for a binding machine0 cites · 20240% earned
- 1925US12516693B2Pre-tightening disc spring, assembly comprising the pre-tightening disc spring, and method0 cites · 20240% earned
- 2021US12319001B2Methods of additively manufacturing tower structures with coiled polymer reinforcement mem0 cites · 20240% earned
- 2117US12534853B2Twisted pair organizing tool0 cites · 20240% earned
- 2213US12233451B2Rotary cable arranging tool0 cites · 20240% earned
- 238US12108716B2Agricultural tool0 cites · 20240% earned
- 244US12564144B2Agricultural tool and process0 cites · 20240% earned
- 251US12521873B2System and method for automatically collecting stirrup0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B21F patents of the last 5 years
- 199US11684759B2✦ AIGuidewire having varying diameters and method of making16 cites · 202184% earned
- 296US11974681B2✦ AIDepressed portal in wire stand4 cites · 202282% earned
- 392US11356004B2✦ AIApparatus for molding hairpin4 cites · 202170% earned
- 488US11496028B2Hairpin type stator coil forming apparatus4 cites · 202175% earned
- 583US10966357B2Electromagnetic shielding device4 cites · 202182% earned
- 679US11504761B2Feed mechanism for pocketed spring strands4 cites · 202182% earned
- 775US11701703B2Systems, devices, and methods for designing and forming a surgical implant2 cites · 202351% earned
- 871US11732776B2Vertical cable railing assembly2 cites · 202258% earned
- 967US11383283B1Tracking metallic wires during a winding operation4 cites · 202275% earned
- 1063US11014141B1Needle bending assembly3 cites · 202180% earned
- 1158US12068568B2Cable feed device, cable processing system, and method for feeding a cable to a cable proc3 cites · 202180% earned
- 1254US12303966B1Molding machines for flexible production of rebars of bottom, web, and top plates of preca1 cites · 202567% earned
- 1350US12049765B2Portable hot swaged coupling device for connecting articles2 cites · 202367% earned
- 1446US11931794B2Apparatus for loading a cage welding machine and cage welding machine2 cites · 202267% earned
- 1542US11590557B2Wire forming apparatus2 cites · 202176% earned
- 1638US11323064B2Processing device and method for forming connection conductors for semiconductor component3 cites · 202180% earned
- 1733US11267691B2Apparatus for manufacturing an innerspring unit comprising pocketed springs3 cites · 202163% earned
- 1829US11986877B1Activated aluminum formation2 cites · 202476% earned
- 1925US11596991B2Processing method of NPR steel rebar rod2 cites · 202276% earned
- 2021US11190089B2Coil banding device for hairpin type stator coil forming system of driving motor2 cites · 202176% earned
- 2117US11638946B2Cable bend radius gauge2 cites · 202276% earned
- 2213US11309105B2Apparatus for center twisting wires2 cites · 202161% earned
- 238US11820606B2Magnetic lift platform for transfer of coil springs2 cites · 202261% earned
- 244US11923106B2Method for forming wire and cable1 cites · 202350% earned
- 251US11821454B2Wire thread insert2 cites · 202167% earned
All-time canon
The defining B21F patents of the whole record
- 199US4800882A✦ AIEndovascular stent and delivery system2,499 cites · 198993% earned
- 296US4886062A✦ AIIntravascular radially expandable stent and method of implant2,226 cites · 198996% earned
- 392US5725552A✦ AIPercutaneous catheter directed intravascular occlusion devices1,659 cites · 199896% earned
- 488US6931830B2Method of forming a wire package1,475 cites · 200495% earned
- 583US5133732AIntravascular stent1,430 cites · 199289% earned
- 679US5035040AHog ring fastener, tool and methods1,372 cites · 199195% earned
- 775US5381649AMedical staple forming die and punch1,352 cites · 199595% earned
- 871US4297749AHeart valve prosthesis1,037 cites · 198195% earned
- 967US6605102B1Intravascular trap and method of trapping particles in bodily fluids872 cites · 200380% earned
- 1063US5846261APercutaneous catheter directed occlusion devices749 cites · 199895% earned
- 1158US5041126AEndovascular stent and delivery system737 cites · 199195% earned
- 1254US4907336AMethod of making an endovascular stent and delivery system719 cites · 199095% earned
- 1350US5554181AStent669 cites · 199695% earned
- 1446US6123715AMethod of forming medical devices; intravascular occlusion devices661 cites · 200087% earned
- 1542US6508803B1Niti-type medical guide wire and method of producing the same654 cites · 200395% earned
- 1638US6083257ABraided stent624 cites · 200092% earned
- 1733US5314444AEndovascular stent and delivery system563 cites · 199492% earned
- 1829US5824056AImplantable medical device formed from a refractory metal having a thin coating disposed t553 cites · 199892% earned
- 1925US6682546B2Intravascular occlusion devices519 cites · 200287% earned
- 2021US4340091AElastomeric sheet materials for heart valve and other prosthetic implants493 cites · 198295% earned
- 2117US6368339B1Method of forming medical devices: intra-vascular occlusion devices481 cites · 200286% earned
- 2213US6447531B1Method of forming medical devices; intravascular occlusion devices457 cites · 200286% earned
- 238US6599308B2Intravascular occlusion devices410 cites · 200286% earned
- 244US5183085AMethod and apparatus for compressing a stent prior to insertion387 cites · 199395% earned
- 251US5628787AClad composite stent349 cites · 199787% earned
Rising· last 2 yrs
Assignees whose newest B21F patents became public in the last 2 years — the current frontier
- 199MAX CO LTD73 patents · 176 citations
- 296WAFIOS AG12 patents · 61 citations
- 392ALIGN TECHNOLOGY INC5 patents · 121 citations
- 488GEN ELECTRIC5 patents · 46 citations
- 583BOELLHOFF VERBINDUNGSTECHNIK GMBH6 patents · 8 citations
- 679HYUNDAI MOTOR CO LTD12 patents · 11 citations
- 775MAKITA CORP17 patents · 14 citations
- 871SCHNELL SPA7 patents · 13 citations
- 967BOSTON SCIENT SCIMED INC6 patents · 11 citations
- 1063MBK MASCHB GMBH7 patents · 17 citations
- 1158M E P MACCH ELETTRONICHE PIEGATRICI SPA13 patents · 6 citations
- 1254ROLLS ROYCE PLC2 patents · 27 citations
- 1350SORKIN FELIX6 patents · 0 citations
- 1446SPUEHL GMBH2 patents · 4 citations
- 1542LIFE CODED LLC2 patents · 2 citations
- 1638NORSK TITANIUM AS3 patents · 0 citations
- 1733LTAG SYSTEMS LLC1 patents · 2 citations
- 1829UNIV CALIFORNIA2 patents · 0 citations
- 1925CHINA RAILWAY NO 4 ENG GROUP1 patents · 1 citations
- 2021COSBY JOSHUA2 patents · 0 citations
- 2117HANLONG IND CO LTD2 patents · 0 citations
- 2213KUBOTA KK2 patents · 0 citations
- 238CAES SYSTEMS LLC1 patents · 0 citations
- 244AIGI ENV INC1 patents · 0 citations
- 251BEIJINGWEST IND CO LTD1 patents · 0 citations
Active· last 5 yrs
Sustained B21F output across the last 5 years
- 199MAX CO LTD73 patents · 176 citations
- 296BEKAERT SA NV17 patents · 158 citations
- 392ASAHI SEIKI MFG8 patents · 73 citations
- 488NHK SPRING CO LTD14 patents · 106 citations
- 583NUVASIVE INC5 patents · 52 citations
- 679WAFIOS AG12 patents · 61 citations
- 775ALIGN TECHNOLOGY INC5 patents · 121 citations
- 871GEOBRUGG AG12 patents · 48 citations
- 967LINCOLN GLOBAL INC4 patents · 140 citations
- 1063DIGNITY HEALTH7 patents · 17 citations
- 1158TOYOTA MOTOR CO LTD8 patents · 46 citations
- 1254GEN ELECTRIC5 patents · 46 citations
- 1350IBM3 patents · 52 citations
- 1446BOELLHOFF VERBINDUNGSTECHNIK GMBH6 patents · 8 citations
- 1542HYUNDAI MOTOR CO LTD12 patents · 11 citations
- 1638MAKITA CORP17 patents · 14 citations
- 1733FURUKAWA TECHNO MAT CO LTD2 patents · 654 citations
- 1829SPUHL GMBH4 patents · 11 citations
- 1925SCHNELL SPA7 patents · 13 citations
- 2021BOSTON SCIENT SCIMED INC6 patents · 11 citations
- 2117MBK MASCHB GMBH7 patents · 17 citations
- 2213ABBOTT CARDIOVASCULAR SYSTEMS INC4 patents · 18 citations
- 238DIGGER SPECIALTIES INC3 patents · 12 citations
- 244KOMAX HOLDING AG11 patents · 7 citations
- 251APTIV TECH LTD5 patents · 3 citations
All-time canon
All-time PatentIndex Score in B21F
- 199EV3 INC22 patents · 3,430 citations
- 296AGA MEDICAL CORP8 patents · 4,489 citations
- 392MEDTRONIC INC10 patents · 5,201 citations
- 488MICRUS CORP6 patents · 1,199 citations
- 583COOK INC4 patents · 4,518 citations
- 679MEDINOL LTD11 patents · 941 citations
- 775ORAMETRIX INC9 patents · 635 citations
- 871SCHNEIDER USA INC4 patents · 956 citations
- 967ALBANY INT CORP4 patents · 1,673 citations
- 1063AMERICAN CYANAMID CO5 patents · 399 citations
- 1158L & P PROPERTY MANAGEMENT CO32 patents · 592 citations
- 1254UNITED STATES SURGICAL CORP21 patents · 558 citations
- 1350GIBBS EDWARD L5 patents · 153 citations
- 1446VARCO INT6 patents · 197 citations
- 1542ITAYA SEISAKUSHO16 patents · 309 citations
- 1638MEADOX MEDICALS INC3 patents · 618 citations
- 1733MEDTRONIC VASCULAR INC9 patents · 280 citations
- 1829EVG ENTWICKLUNG VERWERT GES42 patents · 439 citations
- 1925KERAVISION INC4 patents · 293 citations
- 2021MAX CO LTD73 patents · 176 citations
- 2117LEGGETT & PLATT21 patents · 216 citations
- 2213DREAMWELL LTD6 patents · 134 citations
- 238BEKAERT SA NV17 patents · 158 citations
- 244PIEGATRICI MACCH ELETTR14 patents · 177 citations
- 251LUEBKE NEILL HAMILTON4 patents · 73 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth