Topic leaderboard
Manufacture of metal sheets, wire & tubes
Ranked by the PatentIndex Score — a 1–99 percentile within B21C · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B21C patents became public in the last 2 years — the current frontier
- 199Paul Henry Robbins17 patents · 120 citations
- 296Scott A. Whalen16 patents · 62 citations
- 392Md. Reza-E-Rabby10 patents · 17 citations
- 488Matthew Palfreman7 patents · 12 citations
- 583Chris Ballew3 patents · 7 citations
- 679Richard Shor3 patents · 7 citations
- 775Qingxue Huang3 patents · 5 citations
- 871Brandon Scott Taysom6 patents · 1 citations
- 967Brian Swank4 patents · 4 citations
- 1063Craig Logan4 patents · 0 citations
- 1158Oscar M. Jaime4 patents · 0 citations
- 1254Michimasa Mukai3 patents · 5 citations
- 1350Michitoshi Tanimoto3 patents · 5 citations
- 1446Yasuo Iijima2 patents · 8 citations
- 1542Mageshwari Komarasamy4 patents · 0 citations
- 1638Gangfeng Sun2 patents · 2 citations
- 1733Huanfeng Feng2 patents · 2 citations
- 1829Lianyun Wei2 patents · 2 citations
- 1925Paulo Fernandes2 patents · 2 citations
- 2021Shaojun Jiang2 patents · 2 citations
- 2117Zhangquan Zhu2 patents · 2 citations
- 2213Jochem Grewe3 patents · 1 citations
- 238Dana R. Hanson2 patents · 3 citations
- 244Ryan E. Leopold2 patents · 3 citations
- 251Kailun Zheng4 patents · 1 citations
Active· last 5 yrs
Sustained B21C output across the last 5 years
- 199Stephane Ferrasse13 patents · 202 citations
- 296Paul Henry Robbins17 patents · 120 citations
- 392Michael T. Stawovy10 patents · 61 citations
- 488Mark Steven Jeffries6 patents · 63 citations
- 583Andrew James Hobbis9 patents · 32 citations
- 679John L. Siles8 patents · 63 citations
- 775Rodger Brown9 patents · 29 citations
- 871Norbert Umlauf8 patents · 59 citations
- 967Antoine Jean Willy Pralong7 patents · 25 citations
- 1063William Beck6 patents · 23 citations
- 1158Jens T. Darsell10 patents · 62 citations
- 1254Scott A. Whalen16 patents · 62 citations
- 1350Glenn J. Grant12 patents · 61 citations
- 1446Vineet V. Joshi10 patents · 61 citations
- 1542Victor Bota5 patents · 93 citations
- 1638Norman Allen Smith5 patents · 51 citations
- 1733Rosalind K. Takata17 patents · 35 citations
- 1829Loren Daniel Bridgers12 patents · 26 citations
- 1925Roberto Quintal5 patents · 19 citations
- 2021Franklin Clarence Calhoun6 patents · 34 citations
- 2117Harry William Kent, Jr.6 patents · 34 citations
- 2213Myron Dale Deese6 patents · 34 citations
- 238Richard Temblador6 patents · 34 citations
- 244William D. Cooper4 patents · 141 citations
- 251Yoshikazu Kawabata8 patents · 42 citations
All-time canon
Career PatentIndex Score in B21C
- 199Francisco J. Avellanet15 patents · 995 citations
- 296Jason K. Wiggins8 patents · 428 citations
- 392Mohamed Khalfoun6 patents · 280 citations
- 488Donald R. Rigsby6 patents · 321 citations
- 583Shunroku Sukumoda5 patents · 336 citations
- 679Ryoichi Hoshino13 patents · 402 citations
- 775Hironaka Sasaki11 patents · 390 citations
- 871Howard D. Booher10 patents · 216 citations
- 967Takayuki Yasutake8 patents · 316 citations
- 1063Stephane Ferrasse13 patents · 202 citations
- 1158John J. Borzym8 patents · 235 citations
- 1254L. Robert Zifferer8 patents · 204 citations
- 1350Raymond R. Mcneice7 patents · 188 citations
- 1446Theodore H. Krengel8 patents · 185 citations
- 1542Bonnie J. Campbell6 patents · 282 citations
- 1638James L. Cunningham6 patents · 282 citations
- 1733Joseph A. Simon14 patents · 333 citations
- 1829Charles L. Mathews5 patents · 200 citations
- 1925Richard J. Blanyer5 patents · 200 citations
- 2021Heikichi Kuwahara5 patents · 207 citations
- 2117Kazunori Takikawa10 patents · 229 citations
- 2213Gerhard Ziemek18 patents · 293 citations
- 238Kikuo Asada6 patents · 192 citations
- 244Edvin List Clausen8 patents · 199 citations
- 251Bobby C. Philpott, Jr.5 patents · 136 citations
Rising· last 2 yrs
The top-scoring B21C patents made public in the last 2 years
- 199US11925997B1✦ AIWire billet butt-welding apparatus and wire billet butt-welding method2 cites · 202467% earned
- 296US12148545B2✦ AIConductive wire for electrical properties testing and method for producing the same2 cites · 202476% earned
- 392US12290848B1✦ AIEfficient preparation method of bimetallic seamless composite pipe1 cites · 202567% earned
- 488US12260974B1Stranded wire conductors and methods for manufacturing stranded wires1 cites · 202567% earned
- 583US12285793B2Forming device and forming method for part with regular cross-section1 cites · 202567% earned
- 679US11986877B1Activated aluminum formation2 cites · 202476% earned
- 775US12385121B2Coated steel sheet and high strength press hardened steel part and method of manufacturing1 cites · 202456% earned
- 871US12570199B2Cylindrical cargo container construction0 cites · 20250% earned
- 967US12460516B1System, apparatus, and method for louver perforation0 cites · 20250% earned
- 1063US12569900B2Automated rod coil cutting station0 cites · 20240% earned
- 1158US12263521B2Boron steel high-pressure cartridge case0 cites · 20240% earned
- 1254US12460505B2Frac plug and method for manufacturing same, and method for sealing borehole0 cites · 20250% earned
- 1350US12540378B2Evaporator0 cites · 20240% earned
- 1446US12209816B2Process cooling rod0 cites · 20240% earned
- 1542US12397334B2Shear-assisted extrusion assemblies and methods0 cites · 20240% earned
- 1638US12459023B2Welding monitoring apparatus and welding monitoring method0 cites · 20240% earned
- 1733US12172364B2Method and system for manufacturing hybrid component0 cites · 20240% earned
- 1829US12427562B2Descaling cell component and method0 cites · 20240% earned
- 1925US12344909B2Method for producing grain-oriented electrical steel sheet and cold-rolling facility0 cites · 20240% earned
- 2021US12252183B2Method for manufacturing a motor vehicle structural component from an extruded multichambe0 cites · 20240% earned
- 2117US12117102B2Method for manufacture, assembly and continuous construction of pipe sections in a spoolba0 cites · 20240% earned
- 2213US12247277B2Method for producing a corrosion and high temperature resistant aluminum alloy extrusion m0 cites · 20240% earned
- 238US12459021B2Method for mitigating the effects of coil collapse on hot strip mill coils0 cites · 20240% earned
- 244US12383946B2Manufacturing zinc wire0 cites · 20250% earned
- 251US12569908B2Process for producing blanks of rings0 cites · 20250% earned
Active· last 5 yrs
The top-scoring B21C patents of the last 5 years
- 199US11684759B2✦ AIGuidewire having varying diameters and method of making16 cites · 202184% earned
- 296US10914076B1✦ AIPipe extrusion10 cites · 202187% earned
- 392US11112188B1✦ AIProcess cooling rod7 cites · 202186% earned
- 488US10960448B1Process for equal channel angular pressing fine grain titanium round tube7 cites · 202179% earned
- 583US12201823B2Line device for conducting a blood flow for a heart support system, heart support system, 8 cites · 202180% earned
- 679US11850989B2Cylindrical cargo container construction5 cites · 202169% earned
- 775US11524645B2Beam assembly with multi-hollow formation5 cites · 202177% earned
- 871US11333295B2Tilt stand6 cites · 202185% earned
- 967US11143530B2Tube portion7 cites · 202186% earned
- 1063US11171372B2Coolant distributor6 cites · 202185% earned
- 1158US11618933B2Coated steel member, coated steel sheet, and methods for manufacturing same3 cites · 202272% earned
- 1254US12253175B2Metal bellows for downhole use3 cites · 202280% earned
- 1350US11925997B1Wire billet butt-welding apparatus and wire billet butt-welding method2 cites · 202467% earned
- 1446US11484967B2Tooling for friction stir processing4 cites · 202182% earned
- 1542US12148545B2Conductive wire for electrical properties testing and method for producing the same2 cites · 202476% earned
- 1638US11788172B1Preparation method of magnesium matrix composite reinforced with silicon carbide particles2 cites · 202376% earned
- 1733US11772192B2Battery carrier composed of lightweight metal profiles with calibrated ends, and method fo3 cites · 202280% earned
- 1829US11858809B2Method for inflating micro-channels3 cites · 202180% earned
- 1925US11383283B1Tracking metallic wires during a winding operation4 cites · 202275% earned
- 2021US11642712B1Method of manufacturing vehicle body structure component to include reinforced regions2 cites · 202376% earned
- 2117US11459640B2High gamma prime nickel based superalloy, its use, and method of manufacturing of turbine 3 cites · 202180% earned
- 2213US12290848B1Efficient preparation method of bimetallic seamless composite pipe1 cites · 202567% earned
- 238US12260974B1Stranded wire conductors and methods for manufacturing stranded wires1 cites · 202567% earned
- 244US12070783B2Method and apparatus for axially shaping a tube3 cites · 202280% earned
- 251US12285793B2Forming device and forming method for part with regular cross-section1 cites · 202567% earned
All-time canon
The defining B21C patents of the whole record
- 199US5824056A✦ AIImplantable medical device formed from a refractory metal having a thin coating disposed t553 cites · 199892% earned
- 296US5630840A✦ AIClad composite stent503 cites · 199792% earned
- 392US6019736A✦ AIGuidewire for catheter369 cites · 200094% earned
- 488US7866418B2Rotary drill bit including polycrystalline diamond cutting elements358 cites · 201083% earned
- 583US5628787AClad composite stent349 cites · 199787% earned
- 679US6896049B2Deformable member281 cites · 200389% earned
- 775US5824077AClad composite stent273 cites · 199886% earned
- 871US5800511AClad composite stent224 cites · 199886% earned
- 967US6527802B1Clad composite stent203 cites · 200391% earned
- 1063US4481016AMethod of making tool inserts and drill bits203 cites · 198494% earned
- 1158US6399215B1Ultrafine-grained titanium for medical implants199 cites · 200294% earned
- 1254US5520194AGuide wire for medical purpose and manufacturing process of coil thereof196 cites · 199694% earned
- 1350US6216343B1Method of making micro channel heat pipe having corrugated fin elements190 cites · 200194% earned
- 1446US5001825ACatheter guidewire fabrication method186 cites · 199194% earned
- 1542US5333775AHydroforming of compound tubes158 cites · 199494% earned
- 1638US4660630AHeat transfer tube having internal ridges, and method of making same157 cites · 198790% earned
- 1733US4069638AStructure of lightweight bars and connector means therefore151 cites · 197894% earned
- 1829US5743428APrinted springs and method of manufacture149 cites · 199890% earned
- 1925US5379832AShell and coil heat exchanger140 cites · 199593% earned
- 2021US6142975AGuidewire having braided wire over drawn tube construction133 cites · 200090% earned
- 2117US4805693AMultiple piece tube assembly for use in heat exchangers132 cites · 198993% earned
- 2213US5765418AMethod for making an implantable medical device from a refractory metal131 cites · 199890% earned
- 238US5170557AMethod of forming a double wall, air gap exhaust duct component128 cites · 199293% earned
- 244US5119661AApparatus for manufacturing profile pipes used in well construction127 cites · 199293% earned
- 251US4330142AFormed hose couplings121 cites · 198293% earned
Rising· last 2 yrs
Assignees whose newest B21C patents became public in the last 2 years — the current frontier
- 199KOBE STEEL LTD62 patents · 763 citations
- 296NIPPON STEEL CORP75 patents · 586 citations
- 392SUMITOMO ELECTRIC INDUSTRIES40 patents · 385 citations
- 488DANIELI OFF MECC55 patents · 233 citations
- 583JFE STEEL CORP96 patents · 124 citations
- 679BATTELLE MEMORIAL INSTITUTE19 patents · 67 citations
- 775MODINE MFG CO5 patents · 89 citations
- 871COMMISSARIAT ENERGIE ATOMIQUE7 patents · 59 citations
- 967NISSAN MOTOR5 patents · 35 citations
- 1063BENTELER AUTOMOBILTECHNIK GMBH20 patents · 29 citations
- 1158SMS GROUP GMBH32 patents · 20 citations
- 1254HYUNDAI MOTOR CO LTD18 patents · 16 citations
- 1350Primetals Technologies Austria GmbH15 patents · 13 citations
- 1446TITAN TRAILERS INC3 patents · 16 citations
- 1542UNIV TAIYUAN TECHNOLOGY5 patents · 6 citations
- 1638UNIV DALIAN TECH8 patents · 6 citations
- 1733RELIEFED AB8 patents · 6 citations
- 1829EXCO TECH LIMITED9 patents · 4 citations
- 1925THYSSENKRUPP STEEL EUROPE AG4 patents · 15 citations
- 2021KUREHA CORP3 patents · 7 citations
- 2117BRUDERER AG2 patents · 21 citations
- 2213PRIMETALS TECH USA LLC8 patents · 3 citations
- 238HYDRO EXTRUDED SOLUTIONS AS5 patents · 2 citations
- 244ARCELORMITTAL12 patents · 1 citations
- 251LUVATA OHIO INC4 patents · 4 citations
Active· last 5 yrs
Sustained B21C output across the last 5 years
- 199HITACHI LTD29 patents · 653 citations
- 296GEN ELECTRIC52 patents · 900 citations
- 392BOEING CO44 patents · 360 citations
- 488WIELAND WERKE AG22 patents · 391 citations
- 583KOBE STEEL LTD62 patents · 763 citations
- 679NIPPON STEEL CORP75 patents · 586 citations
- 775HONDA MOTOR CO LTD24 patents · 380 citations
- 871HONEYWELL INT INC19 patents · 219 citations
- 967FORD MOTOR CO25 patents · 340 citations
- 1063SUMITOMO ELECTRIC INDUSTRIES40 patents · 385 citations
- 1158LINCOLN GLOBAL INC11 patents · 233 citations
- 1254BEKAERT SA NV16 patents · 125 citations
- 1350DANIELI OFF MECC55 patents · 233 citations
- 1446SHAPE CORP10 patents · 99 citations
- 1542NOVELIS INC16 patents · 42 citations
- 1638JFE STEEL CORP96 patents · 124 citations
- 1733GRANCO CLARK INC11 patents · 88 citations
- 1829FORD GLOBAL TECH LLC19 patents · 74 citations
- 1925BATTELLE MEMORIAL INSTITUTE19 patents · 67 citations
- 2021KEYSTONE TOWER SYSTEMS INC25 patents · 51 citations
- 2117MODINE MFG CO5 patents · 89 citations
- 2213COMMISSARIAT ENERGIE ATOMIQUE7 patents · 59 citations
- 238TOYOTA MOTOR CO LTD15 patents · 67 citations
- 244UNITED STATES STEEL CORP6 patents · 77 citations
- 251BALL CORP9 patents · 53 citations
All-time canon
All-time PatentIndex Score in B21C
- 199SCHNEIDER USA INC6 patents · 1,662 citations
- 296GEN MOTORS CORP24 patents · 957 citations
- 392HITACHI LTD29 patents · 653 citations
- 488QUALITY TUBING INC6 patents · 370 citations
- 583SCHLEGEL UK HOLDINGS5 patents · 227 citations
- 679GLASS EQUIPMENT DEV INC6 patents · 278 citations
- 775DELPHI TECH INC6 patents · 303 citations
- 871MITSUBISHI SHINDO KK5 patents · 336 citations
- 967GEN SCIENCE AND TECHNOLOGY COR8 patents · 388 citations
- 1063US SYNTHETIC CORP8 patents · 434 citations
- 1158GEN ELECTRIC52 patents · 900 citations
- 1254SHOWA ALUMINIUM CO LTD11 patents · 384 citations
- 1350PACKLESS METAL HOSE INC7 patents · 281 citations
- 1446BOEING CO44 patents · 360 citations
- 1542EAST MFG CORP10 patents · 216 citations
- 1638USUI KOKUSAI SANGYO KK21 patents · 459 citations
- 1733WIELAND WERKE AG22 patents · 391 citations
- 1829KOBE STEEL LTD62 patents · 763 citations
- 1925NIPPON STEEL CORP75 patents · 586 citations
- 2021NORSK HYDRO AS18 patents · 407 citations
- 2117MANNESMANN AG37 patents · 489 citations
- 2213HONDA MOTOR CO LTD24 patents · 380 citations
- 238HONEYWELL INT INC19 patents · 219 citations
- 244IDOD TRUST8 patents · 235 citations
- 251FORD MOTOR CO25 patents · 340 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth