Topic leaderboard
Making metal objects by rolling
Ranked by the PatentIndex Score — a 1–99 percentile within B21H · public-visibility date · generated 2026-07-19
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B21H patents became public in the last 2 years — the current frontier
- 199Christoph Wiedner2 patents · 2 citations
- 295Claus Pfeffer2 patents · 2 citations
- 389Mario Kreutzer2 patents · 2 citations
- 484Richard Baier2 patents · 2 citations
- 579Thomas Kandler2 patents · 2 citations
- 674Bastian Kettler1 patents · 2 citations
- 768Benjamin A. Sands2 patents · 0 citations
- 863Timothy J. Radtke2 patents · 0 citations
- 958Bernd Lueneburg2 patents · 0 citations
- 1053Christian Liewen2 patents · 0 citations
- 1147Joerg Rollmann2 patents · 0 citations
- 1242Matthias Toefke2 patents · 0 citations
- 1337Thomas Handreck2 patents · 0 citations
- 1432Yi-Chieh Shih1 patents · 1 citations
- 1526Christian Schwahlen1 patents · 0 citations
- 1621Dennis Hahn1 patents · 0 citations
- 1716Giovanni Sorrentino1 patents · 0 citations
- 1811Keisuke Kitamura1 patents · 0 citations
- 195Kinichi Hashimoto1 patents · 0 citations
- 201Michele Bresciani1 patents · 0 citations
Active· last 5 yrs
Sustained B21H output across the last 5 years
- 199Daniel Deriaz8 patents · 80 citations
- 296Yuji Ishiwari7 patents · 16 citations
- 392Anthony J. Scott4 patents · 60 citations
- 488Howard C. Chasteen4 patents · 60 citations
- 583Linda A. Hines4 patents · 60 citations
- 679John L. Siles3 patents · 46 citations
- 775Kevin Reed Jentzsch3 patents · 46 citations
- 871Matthias K. Van De Liefvoort3 patents · 46 citations
- 967Jun Ohsone5 patents · 7 citations
- 1063Eiri Nagata5 patents · 5 citations
- 1158Carsten Peters4 patents · 4 citations
- 1254Guenter Domani4 patents · 4 citations
- 1350Michael Castellucci2 patents · 6 citations
- 1446Markus Schaprian4 patents · 1 citations
- 1542Naoyuki Iwasa4 patents · 1 citations
- 1638Koji Kunitake1 patents · 5 citations
- 1733Yuki Sasagawa1 patents · 5 citations
- 1829Qingxue Huang3 patents · 2 citations
- 1925Chuya Aoki3 patents · 1 citations
- 2021Etsuo Fujita3 patents · 1 citations
- 2117Christoph Wiedner2 patents · 2 citations
- 2213Claus Pfeffer2 patents · 2 citations
- 238Jan Schmid2 patents · 2 citations
- 244Mario Kreutzer2 patents · 2 citations
- 251Richard Baier2 patents · 2 citations
All-time canon
Career PatentIndex Score in B21H
- 199Bernard N. Spiegelberg7 patents · 264 citations
- 296Hirosaburo Hirano6 patents · 121 citations
- 392Arthur G. Metcalfe4 patents · 201 citations
- 488Fred K. Rose4 patents · 201 citations
- 583Peter Jones4 patents · 245 citations
- 679James T. Killop28 patents · 264 citations
- 775Toshiaki Kanemitsu17 patents · 188 citations
- 871Nagesh Sonti5 patents · 96 citations
- 967Maurice F. Amateau5 patents · 92 citations
- 1063Vincent J. Lonero6 patents · 97 citations
- 1158Shawn D. Luteran5 patents · 96 citations
- 1254Richard Mark Woolf4 patents · 197 citations
- 1350Shigeaki Yamanaka5 patents · 117 citations
- 1446Helge Himmeroeder5 patents · 83 citations
- 1542Kazuyuki Oda5 patents · 79 citations
- 1638Richard H. Corrette8 patents · 85 citations
- 1733Shuji Kanemitsu5 patents · 75 citations
- 1829Herman G. Muenchinger4 patents · 160 citations
- 1925Dale E. Foltz6 patents · 41 citations
- 2021Robert E. Loy6 patents · 41 citations
- 2117Robert E. Wisebaker6 patents · 41 citations
- 2213Daniel Deriaz8 patents · 80 citations
- 238Ronald Carl Andriessen5 patents · 74 citations
- 244Yahya Hodjat5 patents · 90 citations
- 251Rohith Shivanath3 patents · 218 citations
Rising· last 2 yrs
The top-scoring B21H patents made public in the last 2 years
- 199US12072005B2✦ AIThreaded nut of a ball screw drive, and method for producing same2 cites · 202476% earned
- 290US12276296B2✦ AISelf-drilling screw structure and manufacturing method thereof1 cites · 202467% earned
- 380US12383948B2✦ AIBattery pack powered roll groover0 cites · 20240% earned
- 470US12510111B2Rolled thread screw and rolled thread screw manufacturing method0 cites · 20250% earned
- 560US12110926B2Method for increasing the load-bearing capacity, and rolling device for hard rolling a sur0 cites · 20240% earned
- 650US12383966B2Method for manufacturing screw rotor0 cites · 20250% earned
- 740US12427560B2Cross edge rolling0 cites · 20240% earned
- 830US12372142B2Threaded nut of a ball screw and method for producing same0 cites · 20240% earned
- 920US12454000B2Manufacturing method of ball screw using rolling machine0 cites · 20240% earned
- 1010US12479023B2Method for manufacturing a die-casting machine and die-casting machine0 cites · 20240% earned
- 111US12337373B2Method and device for producing a rolling bearing cage from a sleeve-like blank0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B21H patents of the last 5 years
- 199US11383285B2✦ AIPipe grooving device8 cites · 202176% earned
- 296US11549574B2✦ AICam grooving machine6 cites · 202268% earned
- 392US11536167B2✦ AIMethod for manufacturing engine poppet valve5 cites · 202184% earned
- 488US11898628B2Cam grooving machine2 cites · 202376% earned
- 583US12072005B2Threaded nut of a ball screw drive, and method for producing same2 cites · 202476% earned
- 679US11759839B2Pipe grooving device2 cites · 202267% earned
- 775US11718339B2Method for manufacturing a vehicle steering wheel2 cites · 202167% earned
- 871US11685985B2Method of manufacturing metal mask1 cites · 202256% earned
- 967US12276296B2Self-drilling screw structure and manufacturing method thereof1 cites · 202467% earned
- 1063US12128472B2Embossing roll1 cites · 202367% earned
- 1158US11826980B2Metal substrate with a surface texture1 cites · 202267% earned
- 1254US11407023B2Cold rolling machine and method for producing a profile on a workpiece1 cites · 202167% earned
- 1350US11499309B2Method for obtaining a vertical or horizontal profiled element for the interconnection of 1 cites · 202156% earned
- 1446US12330201B2Aluminum impact extruded bottle with threaded neck made from recycled aluminum and enhance0 cites · 20210% earned
- 1542US11891208B2Apparatus to seal a metallic container0 cites · 20220% earned
- 1638US12011752B2Battery pack powered roll groover0 cites · 20220% earned
- 1733US12510111B2Rolled thread screw and rolled thread screw manufacturing method0 cites · 20250% earned
- 1829US12104863B2Heat exchanger0 cites · 20220% earned
- 1925US11638962B2Positioning and clamping system for thread rolling0 cites · 20220% earned
- 2021US12331820B2Method of making an interaxle differential unit and an annular case0 cites · 20220% earned
- 2117US11577429B2Manufacturing process, tool stand, and drill bit0 cites · 20210% earned
- 2213US11951427B2Hollow cylindrical filter and manufacturing apparatus0 cites · 20220% earned
- 238US11713575B2Profiles0 cites · 20210% earned
- 244US12110926B2Method for increasing the load-bearing capacity, and rolling device for hard rolling a sur0 cites · 20240% earned
- 251US11383291B2Hollow drive shaft using upsetting method and manufacturing method therefor0 cites · 20210% earned
All-time canon
The defining B21H patents of the whole record
- 199US5975987A✦ AIMethod and apparatus for knurling a workpiece, method of molding an article with such work345 cites · 199994% earned
- 296US4787837A✦ AIWear-resistant ceramic, cermet or metallic embossing surfaces, methods for producing same,154 cites · 198894% earned
- 392US5544993A✦ AIThreaded fastener129 cites · 199693% earned
- 488US6425829B1Threaded load transferring attachment123 cites · 200293% earned
- 583US5293765AMethod and apparatus for the manufacture of threaded aluminum containers119 cites · 199493% earned
- 679US9933092B2Tubular structures and knurling systems and methods of manufacture and use thereof113 cites · 201890% earned
- 775US5109767ADevice for the embossing of fine structures108 cites · 199293% earned
- 871US4815909AWood screw and method for making same106 cites · 198993% earned
- 967US5052476AHeat transfer tubes and method for manufacturing102 cites · 199193% earned
- 1063US3988913AIsothermal metal forming apparatus96 cites · 197685% earned
- 1158US5711187AGear wheels rolled from powder metal blanks and method of manufacture95 cites · 199889% earned
- 1254US6694791B1Method of spin forming and part made thereof93 cites · 200493% earned
- 1350US5088869AThread rolling screw92 cites · 199293% earned
- 1446USRE28907ESelf-tapping threaded bushings90 cites · 197693% earned
- 1542US4883404AGas turbine vanes and methods for making same88 cites · 198993% earned
- 1638US4876837ACorner bead structure87 cites · 198993% earned
- 1733US7156600B2Die for, method of making, and fastener with lobed primary thread lead and interposed dual83 cites · 200593% earned
- 1829US6082811AReinforcement for vehicle hollow structural member, having decreasing-thickness end portio80 cites · 200093% earned
- 1925US4059879AMethod for the controlled mechanical working of sintered porous powder metal shapes to eff78 cites · 197793% earned
- 2021US4637767AThreaded fastener76 cites · 198793% earned
- 2117US6517772B1Apparatus and method for forming powder metal gears76 cites · 200393% earned
- 2213US4040328AThread-forming fastener having dual lobulation and dies for making the same74 cites · 197793% earned
- 238US4732082AApparatus and method for mounting embossing rollers in a press line73 cites · 198893% earned
- 244US4926843ACooking vessel72 cites · 199093% earned
- 251US6149363ALightweight threaded fastener and thread rolling die72 cites · 200093% earned
Rising· last 2 yrs
Assignees whose newest B21H patents became public in the last 2 years — the current frontier
- 199NSK LTD20 patents · 112 citations
- 289SCHAEFFLER TECHNOLOGIES AG8 patents · 9 citations
- 378MILWAUKEE ELECTRIC TOOL CORP2 patents · 0 citations
- 467thyssenkrupp rothe erde Germany GmbH2 patents · 0 citations
- 556BI-MIRTH CORP1 patents · 1 citations
- 644HITACHI ASTEMO LTD2 patents · 0 citations
- 733DAIKIN IND LTD1 patents · 0 citations
- 822FISCHERWERKE GMBH & CO KG1 patents · 0 citations
- 911HSP SCHWAHLEN GMBH1 patents · 0 citations
- 101ITALPRESSEGAUSS S P A1 patents · 0 citations
Active· last 5 yrs
Sustained B21H output across the last 5 years
- 199ILLINOIS TOOL WORKS19 patents · 257 citations
- 296BALL CORP8 patents · 108 citations
- 392GROB ERNST FA16 patents · 154 citations
- 488NSK LTD20 patents · 112 citations
- 583VICTAULIC CO OF AMERICA15 patents · 92 citations
- 679HILTI AG8 patents · 43 citations
- 775OSG CORP3 patents · 36 citations
- 871BOSCH GMBH ROBERT4 patents · 15 citations
- 967SCHAEFFLER TECHNOLOGIES AG8 patents · 9 citations
- 1063SMS GROUP GMBH10 patents · 6 citations
- 1158HITACHI METALS LTD7 patents · 3 citations
- 1254NITTAN VALVA2 patents · 6 citations
- 1350HADLEY IND OVERSEAS HOLDINGS LTD2 patents · 6 citations
- 1446VEY MANUFACTURING TECH LLC3 patents · 2 citations
- 1542AISIN CORP2 patents · 2 citations
- 1638DARWIN PRECISIONS CORP2 patents · 1 citations
- 1733ECLISSE SRL2 patents · 1 citations
- 1829SWEP INT AB2 patents · 1 citations
- 1925AUTOLIV DEV1 patents · 2 citations
- 2021OSG Ex Cell O GmbH2 patents · 1 citations
- 2117MILWAUKEE ELECTRIC TOOL CORP2 patents · 0 citations
- 2213thyssenkrupp rothe erde Germany GmbH2 patents · 0 citations
- 238BI-MIRTH CORP1 patents · 1 citations
- 244HYDRO EXTRUDED SOLUTIONS AS1 patents · 1 citations
- 251TATA STEEL NEDERLAND TECH BV1 patents · 1 citations
All-time canon
All-time PatentIndex Score in B21H
- 199TULIP CORP7 patents · 264 citations
- 296TEXTRON INC9 patents · 262 citations
- 392FORMFLO LTD11 patents · 256 citations
- 488ILLINOIS TOOL WORKS19 patents · 257 citations
- 583ANDERSON COOK INC38 patents · 384 citations
- 679SHOWA ALUMINUM CORP6 patents · 121 citations
- 775INT HARVESTER CO4 patents · 201 citations
- 871KANEMITSU KK14 patents · 185 citations
- 967LEICO WERKZEUGMASCHB GMBH & CO19 patents · 253 citations
- 1063EATON CORP5 patents · 126 citations
- 1158GEN ELECTRIC10 patents · 148 citations
- 1254PENN STATE RES FOUND5 patents · 92 citations
- 1350NAT MACHINERY CO7 patents · 94 citations
- 1446FEDERAL MOGUL WORLD WIDE INC4 patents · 197 citations
- 1542BALL CORP8 patents · 108 citations
- 1638GROB ERNST FA16 patents · 154 citations
- 1733COLT IND OPERATING CORP11 patents · 143 citations
- 1829NSK LTD20 patents · 112 citations
- 1925VICTAULIC CO OF AMERICA15 patents · 92 citations
- 2021TESMA INT INC5 patents · 83 citations
- 2117RES ENG & MFG4 patents · 196 citations
- 2213NISSAN MOTOR7 patents · 76 citations
- 238TOYOTA MOTOR CO LTD13 patents · 113 citations
- 244FETTE WILHELM GMBH9 patents · 88 citations
- 251HITACHI LTD5 patents · 84 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth