Topic leaderboard
Rolling of metal
Ranked by the PatentIndex Score — a 1–99 percentile within B21B · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B21B patents became public in the last 2 years — the current frontier
- 199Kenji Horii19 patents · 228 citations
- 296Kevin C. Voges13 patents · 162 citations
- 392Gianpietro Benedetti30 patents · 169 citations
- 488Klaus Weinzierl26 patents · 149 citations
- 583Paolo Bobig15 patents · 107 citations
- 679David Teng Pong8 patents · 61 citations
- 775Alois Seilinger30 patents · 50 citations
- 871Jin-Keun Oh8 patents · 9 citations
- 967Yeol-Rae Cho7 patents · 9 citations
- 1063A-Ra Cho5 patents · 6 citations
- 1158Jeong-Won Seo5 patents · 6 citations
- 1254Jin-Ho Cha5 patents · 6 citations
- 1350Si-Myoung Heo5 patents · 6 citations
- 1446Erich Opitz15 patents · 12 citations
- 1542Matthew Palfreman10 patents · 10 citations
- 1638Qingxue Huang12 patents · 7 citations
- 1733Walter Kirchner6 patents · 7 citations
- 1829Maria Poirier3 patents · 5 citations
- 1925Pascal Drillet3 patents · 5 citations
- 2021Sujay Sarkar3 patents · 5 citations
- 2117Dongping He7 patents · 4 citations
- 2213Yuanming Liu9 patents · 4 citations
- 238Johannes Dagner4 patents · 7 citations
- 244Alan R. Mueth4 patents · 6 citations
- 251Matteo Remy Bulfone5 patents · 5 citations
Active· last 5 yrs
Sustained B21B output across the last 5 years
- 199Louis G. Hector, Jr.6 patents · 299 citations
- 296Hiroyuki Imanari17 patents · 221 citations
- 392Kenji Horii19 patents · 228 citations
- 488Kevin C. Voges13 patents · 162 citations
- 583Akio Kuroda14 patents · 79 citations
- 679Giovanni Arvedi11 patents · 159 citations
- 775Gianpietro Benedetti30 patents · 169 citations
- 871Klaus Weinzierl26 patents · 149 citations
- 967Gert Mucke11 patents · 152 citations
- 1063Jurgen Klockner8 patents · 116 citations
- 1158Paolo Bobig15 patents · 107 citations
- 1254Tomoyuki Tezuka11 patents · 89 citations
- 1350Hideaki Furumoto11 patents · 83 citations
- 1446Andrew James Hobbis15 patents · 38 citations
- 1542Friedemann Schmid6 patents · 82 citations
- 1638Rodger Brown11 patents · 30 citations
- 1733Antoine Jean Willy Pralong9 patents · 26 citations
- 1829William Beck6 patents · 23 citations
- 1925David Teng Pong8 patents · 61 citations
- 2021Mitsuhiko Sano11 patents · 60 citations
- 2117Matthias Kipping19 patents · 81 citations
- 2213Hansjuerg Alder6 patents · 22 citations
- 238Achim Klein12 patents · 62 citations
- 244Toshiyuki Shiraishi13 patents · 54 citations
- 251Charles Boegli5 patents · 70 citations
All-time canon
Career PatentIndex Score in B21B
- 199Michael G. Lehman7 patents · 471 citations
- 296Yasutsugu Yoshimura26 patents · 535 citations
- 392Tadashi Nishino19 patents · 441 citations
- 488Arthur G. Metcalfe5 patents · 238 citations
- 583Dennis L. Otto6 patents · 348 citations
- 679Yasunori Katayama9 patents · 353 citations
- 775Louis G. Hector, Jr.6 patents · 299 citations
- 871Yasuo Morooka17 patents · 474 citations
- 967Masaaki Nakajima6 patents · 285 citations
- 1063Hiroyuki Shiraiwa9 patents · 222 citations
- 1158Junzo Kawakami5 patents · 242 citations
- 1254John W. Turley25 patents · 492 citations
- 1350Otto Gramckow17 patents · 464 citations
- 1446Yasuharu Imagawa8 patents · 200 citations
- 1542Shigetoshi Kondoh9 patents · 200 citations
- 1638Toshiyuki Kajiwara44 patents · 892 citations
- 1733Rolf Noe18 patents · 410 citations
- 1829Michael G. Sendzimir16 patents · 355 citations
- 1925Lowell S. Salter, Jr.10 patents · 311 citations
- 2021Simon Sheu7 patents · 197 citations
- 2117Thomas E. Simmons9 patents · 261 citations
- 2213Edward J. Schaming6 patents · 212 citations
- 238A. Victor Pajerski6 patents · 265 citations
- 244Edward P. Patrick6 patents · 265 citations
- 251Gerd Beisemann6 patents · 187 citations
Rising· last 2 yrs
The top-scoring B21B patents made public in the last 2 years
- 199US12109598B1✦ AICorrugated skew rolling preparation method of magnesium alloy bar with gradient structure4 cites · 202482% earned
- 296US12194518B1✦ AIVibration suppression method and system of a rolling mill roller assembly based on a vibra2 cites · 202576% earned
- 392US12282835B1✦ AIMethods and devices for constucting multi-dimensional coupled vibration identification mod2 cites · 202576% earned
- 488US12427561B1Electrically-assisted tooth-shaped rolling process and device for preparing gradient ultra1 cites · 202567% earned
- 583US12214440B1Magnesium/titanium composite plate with large thickness ratios and gradient heterothermal 1 cites · 202567% earned
- 679US11911840B1Continuous rolling device and method continuous rolling device and method with interfacial1 cites · 202467% earned
- 775US12467111B2Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-we0 cites · 20240% earned
- 871US12398438B2Process for manufacturing a press hardened laser welded steel part0 cites · 20240% earned
- 967US12246389B2Steel joined body and method for manufacturing the same0 cites · 20240% earned
- 1063US12409482B2Torque support for absorbing drive torques and roller arrangement with a torque support0 cites · 20250% earned
- 1158US12186789B2Method and plant for producing flat rolled products0 cites · 20240% earned
- 1254US12285790B2Changing the effective contour of a running surface of a working roll during hot rolling o0 cites · 20240% earned
- 1350US12172364B2Method and system for manufacturing hybrid component0 cites · 20240% earned
- 1446US12427562B2Descaling cell component and method0 cites · 20240% earned
- 1542US12344909B2Method for producing grain-oriented electrical steel sheet and cold-rolling facility0 cites · 20240% earned
- 1638US12576347B2Hot rolling mill with separator for mill scale from wastewater0 cites · 20240% earned
- 1733US12427567B2Continuous caster to cast a metal product0 cites · 20240% earned
- 1829US12502813B2Rolling assembly0 cites · 20240% earned
- 1925US12551938B2Cooling device with coolant jets having a hollow cross section0 cites · 20240% earned
- 2021US12569898B2Tail end buckling suppression device0 cites · 20240% earned
- 2117US12119706B2Non-oriented electrical steel sheet, production method for non-oriented electrical steel s0 cites · 20240% earned
- 2213US12418228B2Rotating electrical machine, set of such machines, and associated boat and rolling mill0 cites · 20240% earned
- 238US12128464B2Corrugated-flat rolling composite method for steel/aluminum/aluminum alloy laminated compo0 cites · 20240% earned
- 244US12049677B1Cooling a rolled product upstream of a finishing train of a hot rolling mill0 cites · 20240% earned
- 251US12427560B2Cross edge rolling0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B21B patents of the last 5 years
- 199US12109598B1✦ AICorrugated skew rolling preparation method of magnesium alloy bar with gradient structure4 cites · 202482% earned
- 296US11635634B2✦ AIButton assembly and method of manufacturing thereof5 cites · 202272% earned
- 392US12194518B1✦ AIVibration suppression method and system of a rolling mill roller assembly based on a vibra2 cites · 202576% earned
- 488US12282835B1Methods and devices for constucting multi-dimensional coupled vibration identification mod2 cites · 202576% earned
- 583US12427561B1Electrically-assisted tooth-shaped rolling process and device for preparing gradient ultra1 cites · 202567% earned
- 679US11788166B2Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-we2 cites · 202353% earned
- 775US11326226B2Material for hot stamping and method for manufacturing the same4 cites · 202282% earned
- 871US11486031B2Metal plate3 cites · 202167% earned
- 967US11850821B2Hot-pressed member, cold-rolled steel sheet for hot-pressed member, and method for produci4 cites · 202282% earned
- 1063US12088747B2Method for making a metal material composite2 cites · 202361% earned
- 1158US12011775B2Steel joined body and method for manufacturing the same2 cites · 202361% earned
- 1254US11920207B2Cold rolled steel sheet and a method of manufacturing thereof4 cites · 202182% earned
- 1350US12214440B1Magnesium/titanium composite plate with large thickness ratios and gradient heterothermal 1 cites · 202567% earned
- 1446US11821066B2Systems and methods for non-contact tensioning of a metal strip2 cites · 202147% earned
- 1542US11958266B2Clad 2XXX-series aerospace product2 cites · 202376% earned
- 1638US11548046B2Method for laser stripping a moving metal product and plant for the execution thereof4 cites · 202182% earned
- 1733US11685973B2Corrosion resistant high strength brazing sheet3 cites · 202172% earned
- 1829US11819894B2Method and device for embossing relief structures3 cites · 202172% earned
- 1925US11192156B2Composite roll for rolling and its production method3 cites · 202180% earned
- 2021US11358194B2Roll wear dispersion method for rolling stand and rolling system3 cites · 202180% earned
- 2117US11596991B2Processing method of NPR steel rebar rod2 cites · 202276% earned
- 2213US12215402B2Hot-rolled steel sheet2 cites · 202376% earned
- 238US11779970B2Device comprising a housing and a rotary element mounted in the housing such that it can b2 cites · 202276% earned
- 244US11517951B2Safety device for a machine and method of operating a safety device2 cites · 202176% earned
- 251US11891261B2Device and method for detecting flatness of sheet material2 cites · 202176% earned
All-time canon
The defining B21B patents of the whole record
- 199US4126027A✦ AIMethod and apparatus for eccentricity correction in a rolling mill484 cites · 197895% earned
- 296US6581025B2✦ AITime and work tracker for wireless devices227 cites · 200287% earned
- 392US5946783A✦ AIHigh-capacity wire rolling mill201 cites · 199994% earned
- 488US4798071ASeamless tube production165 cites · 198994% earned
- 583US5388490ARotary die cutting system and method for sheet material161 cites · 199594% earned
- 679US4215406ADigital computer monitored and/or operated system or process which is structured for opera154 cites · 198094% earned
- 775US4787837AWear-resistant ceramic, cermet or metallic embossing surfaces, methods for producing same,154 cites · 198894% earned
- 871US6529780B1Method for automatic operation of industrial plants153 cites · 200394% earned
- 967US6535135B1Bearing with wireless self-powered sensor unit150 cites · 200394% earned
- 1063US5226989AMethod for reducing thickness of a titanium foil or thin strip element142 cites · 199393% earned
- 1158US5222282AMethod for reducing thickness of a high-strength low-ductility metal foil on thin strip el139 cites · 199393% earned
- 1254US4519041AReal time automated inspection132 cites · 198593% earned
- 1350US6267830B1Method for making a copper core five-ply composite for cookware121 cites · 200193% earned
- 1446US5476725AClad metallurgical products and methods of manufacture120 cites · 199590% earned
- 1542US5430642AControl device for controlling a controlled apparatus, and a control method therefor117 cites · 199590% earned
- 1638US5025547AMethod of providing textures on material by rolling113 cites · 199193% earned
- 1733US4215407ACombined file and directory system for a process control digital computer system111 cites · 198093% earned
- 1829US5475889AAutomatically adjustable brush assembly for cleaning semiconductor wafers108 cites · 199593% earned
- 1925US5789066AMethod and device for manufacturing cold rolled metal sheets or strips and metal sheets or107 cites · 199893% earned
- 2021US6306007B1Rolling mill equipped with on-line roll grinding system and grinding wheel104 cites · 200182% earned
- 2117US5080727AMetallic material having ultra-fine grain structure and method for its manufacture104 cites · 199293% earned
- 2213US4194383AModular transducer assembly for rolling mill roll adjustment mechanism102 cites · 198093% earned
- 238US5052476AHeat transfer tubes and method for manufacturing102 cites · 199193% earned
- 244US8070556B2Grinding wheel for roll grinding and method of roll grinding99 cites · 200989% earned
- 251US6184924B1Method and device for the automatic detection of surface defects for continuously cast pro98 cites · 200193% earned
Rising· last 2 yrs
Assignees whose newest B21B patents became public in the last 2 years — the current frontier
- 199NIPPON STEEL CORP193 patents · 1,719 citations
- 296DANIELI OFF MECC172 patents · 925 citations
- 392SUMITOMO ELECTRIC INDUSTRIES10 patents · 104 citations
- 488JFE STEEL CORP144 patents · 196 citations
- 583SMS GROUP GMBH130 patents · 59 citations
- 679ARCELORMITTAL32 patents · 22 citations
- 775Primetals Technologies Austria GmbH69 patents · 39 citations
- 871PRIMETALS TECHNOLOGIES GERMANY GMBH35 patents · 19 citations
- 967POSCO CO LTD6 patents · 11 citations
- 1063UNIV TAIYUAN TECHNOLOGY19 patents · 10 citations
- 1158BAOSHAN IRON & STEEL48 patents · 9 citations
- 1254THYSSENKRUPP STEEL EUROPE AG17 patents · 7 citations
- 1350HYUNDAI MOTOR CO LTD10 patents · 6 citations
- 1446UNIV NORTHEASTERN7 patents · 18 citations
- 1542PONG DAVID TENG3 patents · 4 citations
- 1638PRIMETALS TECH USA LLC9 patents · 2 citations
- 1733NETUREN CO LTD3 patents · 2 citations
- 1829TOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP12 patents · 3 citations
- 1925THE MAT WORKS LTD4 patents · 0 citations
- 2021PANGANG GROUP PANZHIHUA IRON & STEEL RES INSTITUTE CO LTD3 patents · 1 citations
- 2117FIVES STEIN2 patents · 1 citations
- 2213MATTHEWS INT CORP2 patents · 0 citations
- 238UNIV HEFEI TECHNOLOGY1 patents · 1 citations
- 244ATLAS COPCO IND TECHNIQUE AB3 patents · 0 citations
- 251FORGE PAT GMBH2 patents · 0 citations
Active· last 5 yrs
Sustained B21B output across the last 5 years
- 199HITACHI LTD144 patents · 2,712 citations
- 296NIPPON STEEL CORP193 patents · 1,719 citations
- 392MITSUBISHI HEAVY IND LTD41 patents · 549 citations
- 488DANIELI OFF MECC172 patents · 925 citations
- 583HITACHI METALS LTD46 patents · 336 citations
- 679NOVELIS INC53 patents · 136 citations
- 775SUMITOMO ELECTRIC INDUSTRIES10 patents · 104 citations
- 871JFE STEEL CORP144 patents · 196 citations
- 967HONDA MOTOR CO LTD15 patents · 111 citations
- 1063UNITED STATES STEEL CORP17 patents · 107 citations
- 1158NIPPON STEEL & SUMITOMO METAL CORP108 patents · 114 citations
- 1254MUHR & BENDER KG11 patents · 38 citations
- 1350OUTOKUMPU OY16 patents · 43 citations
- 1446NIPPON LIGHT METAL CO7 patents · 33 citations
- 1542UACJ CORP16 patents · 36 citations
- 1638DAINIPPON PRINTING CO LTD11 patents · 20 citations
- 1733POSCO60 patents · 41 citations
- 1829SMS GROUP GMBH130 patents · 59 citations
- 1925ARCELORMITTAL32 patents · 22 citations
- 2021Primetals Technologies Austria GmbH69 patents · 39 citations
- 2117KEYSTONE TOWER SYSTEMS INC12 patents · 17 citations
- 2213STARCK H C INC5 patents · 24 citations
- 238TOYO KOHAN CO LTD11 patents · 46 citations
- 244PRIMETALS TECH JAPAN LTD18 patents · 19 citations
- 251TOSHIBA MITSUBISHI ELEC IND16 patents · 17 citations
All-time canon
All-time PatentIndex Score in B21B
- 199WESTINGHOUSE ELECTRIC CORP23 patents · 1,160 citations
- 296HITACHI LTD144 patents · 2,712 citations
- 392ALUMINUM CO OF AMERICA30 patents · 923 citations
- 488TIMKEN CO13 patents · 733 citations
- 583KAISER ALUMINIUM CHEM CORP10 patents · 374 citations
- 679SCHLOEMANN SIEMAG AG307 patents · 3,467 citations
- 775MORGAN CONSTRUCTION CO119 patents · 1,709 citations
- 871SUMITOMO METAL IND101 patents · 1,175 citations
- 967KAWASAKI STEEL CO155 patents · 1,999 citations
- 1063NIPPON STEEL CORP193 patents · 1,719 citations
- 1158MANNESMANN AG122 patents · 1,126 citations
- 1254SIEMENS AG70 patents · 1,011 citations
- 1350ISHIKAWAJIMA HARIMA HEAVY IND57 patents · 860 citations
- 1446TOSHIBA KK32 patents · 619 citations
- 1542BWG BERGWERK WALZWERK26 patents · 440 citations
- 1638KLEINEWEFERS GMBH11 patents · 269 citations
- 1733NIPPON KOKAN KK66 patents · 894 citations
- 1829UNITED ENGINEERING INC10 patents · 252 citations
- 1925RES INVESTMENT NETWORK INC5 patents · 153 citations
- 2021MITSUBISHI HEAVY IND LTD41 patents · 549 citations
- 2117KOCKS TECHNIK45 patents · 520 citations
- 2213BETHLEHEM STEEL CORP31 patents · 425 citations
- 238ALCOA INC13 patents · 250 citations
- 244NAT STEEL CORP11 patents · 218 citations
- 251DANIELI OFF MECC172 patents · 925 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth