Topic leaderboard
Making chains
Ranked by the PatentIndex Score — a 1–99 percentile within B21L · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B21L patents became public in the last 2 years — the current frontier
- 199Larry C. Valentine3 patents · 7 citations
- 288Mike E. Teaford3 patents · 7 citations
- 375Ryan L. Kimberlin3 patents · 7 citations
- 463STOJAKOVIC DEJAN1 patents · 0 citations
- 550Elizabeth A. Bugdaycay1 patents · 0 citations
- 638Hidetaka Dobashi1 patents · 0 citations
- 725Marco Bicego1 patents · 0 citations
- 813BENEDETTI SAMUELE1 patents · 0 citations
- 91ZUCCHERELLI ROBERTO1 patents · 0 citations
Active· last 5 yrs
Sustained B21L output across the last 5 years
- 199Larry C. Valentine3 patents · 7 citations
- 296Mike E. Teaford3 patents · 7 citations
- 392Ryan L. Kimberlin3 patents · 7 citations
- 488Anthony C. Bacon2 patents · 4 citations
- 583Jonathan E. Rosemeier2 patents · 4 citations
- 679Michael W. Pfeiffer2 patents · 4 citations
- 775Jack W. Hinkens1 patents · 3 citations
- 871Louis Chuang3 patents · 1 citations
- 967Bin Sun1 patents · 2 citations
- 1063Bihua Xuan1 patents · 2 citations
- 1158Bin Ye1 patents · 2 citations
- 1254David Richard Woods1 patents · 2 citations
- 1350Hongjun Wang1 patents · 2 citations
- 1446Jiguang Lu1 patents · 2 citations
- 1542Jiancong Zhang1 patents · 2 citations
- 1638Joseph L Vento1 patents · 2 citations
- 1733Kyle Steven Jansson1 patents · 2 citations
- 1829Lili Wang1 patents · 2 citations
- 1925Perry Straus1 patents · 1 citations
- 2021Chia-Hao Huang1 patents · 1 citations
- 2117David Yurman1 patents · 1 citations
- 2213Sheila Laroussini1 patents · 1 citations
- 238Dejan Stojakovic1 patents · 0 citations
- 244STOJAKOVIC DEJAN1 patents · 0 citations
- 251Bo Zhao1 patents · 0 citations
All-time canon
Career PatentIndex Score in B21L
- 199Kalman Strobel9 patents · 284 citations
- 296David Rozenwasser9 patents · 282 citations
- 392Cheo Chia10 patents · 181 citations
- 488Meang Chia10 patents · 181 citations
- 583Huy Kim Chia7 patents · 115 citations
- 679David Rosenwasser13 patents · 110 citations
- 775Avraham Moshe Rosenwasser10 patents · 67 citations
- 871Giuseppe A. Dal Monte5 patents · 70 citations
- 967Richard E. Livesay8 patents · 83 citations
- 1063Thomas E. Oertley4 patents · 107 citations
- 1158Massimo Bucefari5 patents · 57 citations
- 1254Godofredo M. Briceno3 patents · 92 citations
- 1350Corrado Lapini5 patents · 35 citations
- 1446Eitan Weinberg4 patents · 70 citations
- 1542Owen R. Thompson5 patents · 29 citations
- 1638Roy L. Maguire3 patents · 86 citations
- 1733Gerhard Lange6 patents · 28 citations
- 1829Benjamin Hillel3 patents · 64 citations
- 1925Takerou Nakagawa3 patents · 58 citations
- 2021Avram Moshe Rosenwasser3 patents · 45 citations
- 2117Kazumasa Matsuno3 patents · 50 citations
- 2213Andre Teubert5 patents · 21 citations
- 238Koji Tanaka3 patents · 38 citations
- 244Robert H. Mead2 patents · 104 citations
- 251Timothy J. Ledvina2 patents · 104 citations
Rising· last 2 yrs
The top-scoring B21L patents made public in the last 2 years
- 199US12285796B2✦ AIWedge driver and method therefor1 cites · 202446% earned
- 280US12551942B2✦ AILaser weldable sterling alloy0 cites · 20250% earned
- 360US12036601B2✦ AIManufacturing apparatus for accessory0 cites · 20240% earned
- 440US12172205B2Method for producing gourmette jewellery articles0 cites · 20240% earned
- 520US12302999B2Jewelry link0 cites · 20240% earned
- 61US12543827B2Process for producing an ornamental chain0 cites · 20240% earned
Active· last 5 yrs
The top-scoring B21L patents of the last 5 years
- 199US11607720B2✦ AIWedge driver and method therefor4 cites · 202267% earned
- 294US11833654B2✦ AIMulti-tool system3 cites · 202172% earned
- 389US11958102B2✦ AISystems and methods for repairing chains2 cites · 202276% earned
- 483US11079216B2Chain intelligent pre-tensioning and chain length detection method and device thereof2 cites · 202176% earned
- 578US10881172B1Jewelry link assembly and a method of assembling jewelry chain links1 cites · 202156% earned
- 672US11470924B2Expandable link1 cites · 202167% earned
- 767US11298741B2Chain replacement apparatus1 cites · 202167% earned
- 861US11160336B2Jewelry cable1 cites · 202167% earned
- 956US12551942B2Laser weldable sterling alloy0 cites · 20250% earned
- 1050US12059723B2Chain tool for different speed chains0 cites · 20220% earned
- 1144US12036601B2Manufacturing apparatus for accessory0 cites · 20240% earned
- 1239US12172205B2Method for producing gourmette jewellery articles0 cites · 20240% earned
- 1333US12313096B2Forklift hydraulic motor based industrial driver apparatus0 cites · 20220% earned
- 1428US11629011B2Chain link and conveyor chain comprising chain links, blank for a chain link and method of0 cites · 20220% earned
- 1522US12234886B2Chain damping system and method0 cites · 20220% earned
- 1617US11518130B2Link press assembly and method of use0 cites · 20210% earned
- 1711US12290851B2Electrically assisted forming process and device for high-strength metal alloy thin-walled0 cites · 20220% earned
- 186US12302999B2Jewelry link0 cites · 20240% earned
- 191US12543827B2Process for producing an ornamental chain0 cites · 20240% earned
All-time canon
The defining B21L patents of the whole record
- 199US7430849B1✦ AIConveyor chain pin remover378 cites · 200894% earned
- 296US5161773A✦ AIMethod and apparatus for controlling fluid flow208 cites · 199294% earned
- 392US4266400A✦ AIWrist watch band and manufacturing method therefor75 cites · 198193% earned
- 488US6068568ASilent chain73 cites · 200093% earned
- 583US7332641B2Interlaced compositions and methods of production63 cites · 200592% earned
- 679US5651746APower transmission chain63 cites · 199792% earned
- 775US4509323APower transmission chain54 cites · 198592% earned
- 871US7086218B1Linked ring structures53 cites · 200692% earned
- 967US5581993AHollow diamond cut rope chain with multi-faceted surfaces52 cites · 199683% earned
- 1063US7027330B2Multi-input/output repair method of NAND flash memory device and NAND flash memory device 50 cites · 200592% earned
- 1158US4509937APower transmission chain50 cites · 198592% earned
- 1254US5129220AHollow rope chain with simulated diamond cut48 cites · 199288% earned
- 1350US5285625ASpiral diamond cut jewelry chain48 cites · 199492% earned
- 1446US6453657B1Hydraulic device for assembly and disassembly of conveyor chains using interference-fit co47 cites · 200292% earned
- 1542US6209306B1Decorative jewelry rope chain44 cites · 200192% earned
- 1638US6485116B1Joint assembly to resist galling44 cites · 200292% earned
- 1733US5125225AProcess for making hollow diamond cut rope chain43 cites · 199287% earned
- 1829US5537812AFine jewelry diamond cut chain and method of manufacture thereof42 cites · 199692% earned
- 1925US5531065AFine jewelry diamond cut rope chain and method of manufacture thereof42 cites · 199692% earned
- 2021US4094515ASeal device in a roller chain41 cites · 197892% earned
- 2117US5660036AJewelry rope chain41 cites · 199792% earned
- 2213US6270173B1Fixing structure of link and pin of travelling crawler belt, and fixing method thereof39 cites · 200191% earned
- 238US5303540AFine jewelry diamond cut rope chain and method of manufacturing same39 cites · 199491% earned
- 244US5353584AHollow diamond cut rope chain with multi-faceted surfaces38 cites · 199482% earned
- 251US5309704AMethod of producing chain links and chain links produced therefrom38 cites · 199491% earned
Rising· last 2 yrs
Assignees whose newest B21L patents became public in the last 2 years — the current frontier
- 199BNSF RAILWAY CO3 patents · 7 citations
- 280JAMES AVERY CRAFTSMAN INC2 patents · 0 citations
- 360CEMAYLA LLC1 patents · 0 citations
- 440CROSSFOR CO LTD1 patents · 0 citations
- 520MARCO BICEGO S P A1 patents · 0 citations
- 61MINERVAHUB S P A1 patents · 0 citations
Active· last 5 yrs
Sustained B21L output across the last 5 years
- 199BNSF RAILWAY CO3 patents · 7 citations
- 294WOLF TOOTH COMPONENTS LLC2 patents · 4 citations
- 389CHUANG LOUIS3 patents · 1 citations
- 483Hangzhou donghua chain group co ltd1 patents · 2 citations
- 578REXNORD IND LLC1 patents · 2 citations
- 672STRAUS PERRY1 patents · 1 citations
- 767JAMES AVERY CRAFTSMAN INC2 patents · 0 citations
- 861David Yurman IP LLC1 patents · 1 citations
- 956LAROUSSINI SHEILA1 patents · 1 citations
- 1050POUL CHANG METAL IND CO LTD1 patents · 1 citations
- 1144CEMAYLA LLC1 patents · 0 citations
- 1239CENTRAL IRON AND STEEL RES INSTITUTE1 patents · 0 citations
- 1333CROSSFOR CO LTD1 patents · 0 citations
- 1428MARCO BICEGO S P A1 patents · 0 citations
- 1522MINERVAHUB S P A1 patents · 0 citations
- 1617ONE PASS INNOVATORS LLC1 patents · 0 citations
- 1711REXNORD FLATTOP EUROPE BV1 patents · 0 citations
- 186ROTH JR HERBERT J1 patents · 0 citations
- 191WTC MACHINERY LLC1 patents · 0 citations
All-time canon
All-time PatentIndex Score in B21L
- 199OROAMERICA INC9 patents · 247 citations
- 296TSUBAKIMOTO CHAIN CO21 patents · 372 citations
- 392CATERPILLAR INC17 patents · 274 citations
- 488LUK LAMELLEN & KUPPLUNGSBAU8 patents · 125 citations
- 583ROZENWASSER AVRAHAM MOSHE4 patents · 143 citations
- 679MEYER ROTH PASTOR MASCHF13 patents · 109 citations
- 775JTEKT CORP8 patents · 47 citations
- 871WAFIOS MASCHINEN WAGNER7 patents · 42 citations
- 967ADIPAZ LTD4 patents · 67 citations
- 1063CATERPILLAR TRACTOR CO4 patents · 63 citations
- 1158D & W JEWELRY INC4 patents · 57 citations
- 1254ROSENWASSER AVRAHAM MOSHE4 patents · 49 citations
- 1350ICM ITALIANA COST METALMECC4 patents · 47 citations
- 1446CMS CONST MECC SPEC4 patents · 32 citations
- 1542AKS JEWELRY INC2 patents · 91 citations
- 1638BORG WARNER2 patents · 104 citations
- 1733BULTEN KANTHAL AB5 patents · 15 citations
- 1829BORG WARNER AUTOMOTIVE KK2 patents · 92 citations
- 1925CAMPAGNOLO SRL3 patents · 23 citations
- 2021MARUMA TRACTOR & EQUIP3 patents · 23 citations
- 2117AMSTED IND INC3 patents · 27 citations
- 2213MARSHALL & WILLIAMS CO2 patents · 48 citations
- 238BECHTOLD STEPHEN K2 patents · 48 citations
- 244TIZZI VALTIERO2 patents · 45 citations
- 251UNO A ERRE ITALIA SPA3 patents · 27 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth