Topic leaderboard
Working or processing sheet metal or tubes
Ranked by the PatentIndex Score — a 1–99 percentile within B21D · public-visibility date · generated 2026
top 25 per window · public-visibility date
Rising· last 2 yrs
Inventors whose newest B21D patents became public in the last 2 years — the current frontier
- 199R. Peter Stodd19 patents · 274 citations
- 296Dennis E. Green13 patents · 173 citations
- 392Harold James Marshall21 patents · 413 citations
- 488Jeffrey P. Fugere7 patents · 47 citations
- 583James G. Ballard21 patents · 106 citations
- 679Kris J. Kanack14 patents · 61 citations
- 775Ray Arbesman11 patents · 79 citations
- 871Keith J. Modert4 patents · 60 citations
- 967Pascal Drillet10 patents · 40 citations
- 1063Helmut Theis14 patents · 60 citations
- 1158Yoshihaya Imamura14 patents · 44 citations
- 1254Steven J. Reilly8 patents · 98 citations
- 1350Raj Sohmshetty20 patents · 111 citations
- 1446Todd Brochman11 patents · 31 citations
- 1542Jin-Keun Oh17 patents · 16 citations
- 1638Renaud Rouge7 patents · 24 citations
- 1733Thibault Chandanson7 patents · 24 citations
- 1829Nghi Pham6 patents · 19 citations
- 1925Yeol-Rae Cho9 patents · 11 citations
- 2021A-Ra Cho8 patents · 11 citations
- 2117Eric Norquist9 patents · 23 citations
- 2213Luke J. Skinner7 patents · 20 citations
- 238Winston Mackelvie5 patents · 15 citations
- 244David H. Morton5 patents · 15 citations
- 251Paul J. Karp5 patents · 15 citations
Active· last 5 yrs
Sustained B21D output across the last 5 years
- 199William Krietzman8 patents · 402 citations
- 296Egbert Frenken37 patents · 1,316 citations
- 392James A. Mcclung55 patents · 1,624 citations
- 488William C. Dykstra16 patents · 409 citations
- 583Randall G. Forrest20 patents · 446 citations
- 679R. Peter Stodd19 patents · 274 citations
- 775Sylvan Mario Praturlon12 patents · 253 citations
- 871Dennis E. Green13 patents · 173 citations
- 967John H. Morehead21 patents · 431 citations
- 1063Daniel G. Sanders22 patents · 326 citations
- 1158Kevin Reed Jentzsch11 patents · 276 citations
- 1254Harold James Marshall21 patents · 413 citations
- 1350Howard C. Chasteen14 patents · 312 citations
- 1446Michael A. Filipiak10 patents · 162 citations
- 1542Joel T. Pyper60 patents · 503 citations
- 1638Scott M. Breen60 patents · 503 citations
- 1733Anthony J. Scott13 patents · 169 citations
- 1829Kevin A. Johnston11 patents · 126 citations
- 1925Jeffrey L. Shortridge9 patents · 126 citations
- 2021Thomas R. Faucher8 patents · 168 citations
- 2117Ian Kenneth Scholey48 patents · 153 citations
- 2213Alessandro Caporusso36 patents · 233 citations
- 238Rodger Brown9 patents · 88 citations
- 244Gregory H. Butcher36 patents · 172 citations
- 251Robert M. O'Brien11 patents · 79 citations
All-time canon
Career PatentIndex Score in B21D
- 199Paul David Metcalfe18 patents · 1,824 citations
- 296Hans H. Diekhoff13 patents · 1,675 citations
- 392Alan B. Duell12 patents · 559 citations
- 488R. Bruce Stewart12 patents · 559 citations
- 583Max W. Durney22 patents · 824 citations
- 679William Krietzman8 patents · 402 citations
- 775Egbert Frenken37 patents · 1,316 citations
- 871Paul S. Gregg13 patents · 764 citations
- 967Alan D. Pendley9 patents · 403 citations
- 1063Howard Martinson6 patents · 433 citations
- 1158Robert Snyder6 patents · 433 citations
- 1254Charles L. Jordan10 patents · 749 citations
- 1350Peter James Hinton6 patents · 447 citations
- 1446Mark Christopher Kysh6 patents · 428 citations
- 1542Robert Donald Mack11 patents · 418 citations
- 1638James A. Mcclung55 patents · 1,624 citations
- 1733Joseph D. Bulso, Jr.40 patents · 1,535 citations
- 1829Edward S. Traczyk6 patents · 551 citations
- 1925Richard Carl Haut17 patents · 466 citations
- 2021Frank A. Horton15 patents · 527 citations
- 2117Karl A. Hansen11 patents · 666 citations
- 2213Mouayed Mamdooh Brifcani5 patents · 339 citations
- 238John J. Dejong, Executor5 patents · 482 citations
- 244Sanjay M. Shah12 patents · 576 citations
- 251William T. Saunders39 patents · 1,061 citations
Rising· last 2 yrs
The top-scoring B21D patents made public in the last 2 years
- 199US12320138B1✦ AIMailbox post protector with internal toolless interlock3 cites · 202580% earned
- 296US12162059B1✦ AIPrecision roll bending method, system, and electronic equipment for cylinder with variable3 cites · 202480% earned
- 392US12246371B1✦ AIPull tab with raised lift end and associated method3 cites · 202580% earned
- 488US12186520B2Device for delivery of antimicrobial agent into a medical device4 cites · 202464% earned
- 583US12278592B2Low-profile backrail module clamp2 cites · 202467% earned
- 679US12275058B1Devices and methods for controllable forging of forming flow line of complex-shaped compon2 cites · 202576% earned
- 775US12427561B1Electrically-assisted tooth-shaped rolling process and device for preparing gradient ultra1 cites · 202567% earned
- 871US12017247B1Material dispense tips2 cites · 202451% earned
- 967US12194526B1Methods and systems for secure connections in layer segments of cut layer additive parts2 cites · 202576% earned
- 1063US12235054B2Integrated connector and heat exchanger including the same2 cites · 202476% earned
- 1158US12060828B1Turbine system to generate electricity from waste gas, oven system including the same, and2 cites · 202476% earned
- 1254US12343848B2Pittsburgh lock seam opening tool and method2 cites · 202476% earned
- 1350US12291284B2Stamped rear frame bolster1 cites · 202450% earned
- 1446US12403518B2Method and arrangement for producing a hardened sheet metal product1 cites · 202456% earned
- 1542US12318896B2Press jaw, drive press jaw, press insert and system for pressing fittings with pipes2 cites · 202476% earned
- 1638US12304010B1Production line for welding automotive rear floor panel and method thereof1 cites · 202567% earned
- 1733US11931790B1Punching device making large rectangular holes in rectangular tubing and method thereof3 cites · 202480% earned
- 1829US12285793B2Forming device and forming method for part with regular cross-section1 cites · 202567% earned
- 1925US12350726B2Space vehicle and method for manufacture thereof1 cites · 202467% earned
- 2021US11858551B1Modular, cost effective, field repairable chassis and mechanical components for heavy duty2 cites · 202467% earned
- 2117US12072005B2Threaded nut of a ball screw drive, and method for producing same2 cites · 202476% earned
- 2213US11931846B2Magnetic coupling device1 cites · 202444% earned
- 238US12214478B2Hydraulic power tool1 cites · 202450% earned
- 244US12134458B2System, apparatus, and method of manufacture for a rib structure1 cites · 202467% earned
- 251US12220739B2Table assembly for press brake system1 cites · 202467% earned
Active· last 5 yrs
The top-scoring B21D patents of the last 5 years
- 199US11180820B1✦ AIHot-work die steel and a preparation method thereof42 cites · 202192% earned
- 296US11131397B2✦ AIElectric ball valve and manufacturing method therefor33 cites · 202191% earned
- 392US10903729B1✦ AIManufacturing coils for an axial flux rotating electrical machine23 cites · 202175% earned
- 488US11535360B1Hypersonic leading-edge heat pipe with porous wick, and methods of making and using the sa20 cites · 202285% earned
- 583US10974352B1Modular pallet repair kit and method of use thereof20 cites · 202185% earned
- 679US11826539B2Device for delivery of antimicrobial agent into a medical device10 cites · 202273% earned
- 775US12145653B2Front structure for an electric vehicle15 cites · 202289% earned
- 871USD949442SRoofing deck14 cites · 202283% earned
- 967US11737920B2Adjustable flow glaucoma shunts having non-linearly arranged flow control elements, and as9 cites · 202381% earned
- 1063US11772214B2Magnetic coupling device8 cites · 202271% earned
- 1158US11383285B2Pipe grooving device8 cites · 202176% earned
- 1254US11652392B2Method for forming a crown from a plurality of U-shaped electrically conductive hairpins8 cites · 202276% earned
- 1350US10919080B1Tubing bender9 cites · 202177% earned
- 1446US11962269B2Low-profile backrail module clamp6 cites · 202278% earned
- 1542US12320138B1Mailbox post protector with internal toolless interlock3 cites · 202580% earned
- 1638US12162059B1Precision roll bending method, system, and electronic equipment for cylinder with variable3 cites · 202480% earned
- 1733US12246371B1Pull tab with raised lift end and associated method3 cites · 202580% earned
- 1829US11453038B2Aligning cap for conduits7 cites · 202186% earned
- 1925US11179764B1Manufacturing process of arc-shaped bottom titanium cup7 cites · 202186% earned
- 2021USD907503SBeverage container9 cites · 202181% earned
- 2117US11994163B2Flanged bearing, assembly, and method of making and using the same5 cites · 202384% earned
- 2213US11446958B2Automated removal and replacement of vehicle wheels and tires6 cites · 202160% earned
- 238US11549574B2Cam grooving machine6 cites · 202268% earned
- 244US11472605B2Securable clip6 cites · 202168% earned
- 251US11292025B1Material dispense tips and methods for manufacturing the same7 cites · 202267% earned
All-time canon
The defining B21D patents of the whole record
- 199US6953138B1✦ AISurgical stapler anvil with nested staple forming pockets2,465 cites · 200596% earned
- 296US3940844A✦ AIMethod of installing an insulating sleeve on a staple1,573 cites · 197696% earned
- 392US5381649A✦ AIMedical staple forming die and punch1,352 cites · 199595% earned
- 488US10130359B2Method for forming a staple1,260 cites · 201388% earned
- 583US7086267B2Metal-forming die and method for manufacturing same1,085 cites · 200595% earned
- 679US4826405AFan blade fabrication system909 cites · 198995% earned
- 775US5907893AMethods for the manufacture of radially expansible stents843 cites · 199992% earned
- 871US6457338B1Pressing tool with pressing jaws679 cites · 200295% earned
- 967US10695053B2Surgical end effectors with staple cartridges623 cites · 201687% earned
- 1063US9924943B2Method of manufacturing jaw members for surgical stapling instrument608 cites · 201692% earned
- 1158US6327772B1Method for fabricating a planar eversible lattice which forms a stent when everted553 cites · 200192% earned
- 1254US6457532B1Procedures and equipment for profiling and jointing of pipes458 cites · 200282% earned
- 1350US4069573AMethod of securing a sleeve within a tube437 cites · 197895% earned
- 1446US7254569B2Intelligent autofill401 cites · 200592% earned
- 1542US6425444B1Method and apparatus for downhole sealing364 cites · 200294% earned
- 1638US6543552B1Method and apparatus for drilling and lining a wellbore356 cites · 200381% earned
- 1733US7513025B2Magnetic field concentrator for electromagnetic forming334 cites · 200694% earned
- 1829US5113685AApparatus for contouring spine plates and/or rods286 cites · 199294% earned
- 1925US6896049B2Deformable member281 cites · 200389% earned
- 2021US5718352AThreaded aluminum cans and methods of manufacture258 cites · 199891% earned
- 2117US6527049B2Apparatus and method for isolating a section of tubing245 cites · 200280% earned
- 2213US5014779ADevice for expanding pipes233 cites · 199194% earned
- 238US4392362AMicro miniature refrigerators232 cites · 198394% earned
- 244US5031483AProcess for the manufacture of laminated tooling228 cites · 199194% earned
- 251US4368571ASleeving method208 cites · 198394% earned
Rising· last 2 yrs
Assignees whose newest B21D patents became public in the last 2 years — the current frontier
- 199BOEING CO243 patents · 5,298 citations
- 296AMADA CO LTD213 patents · 3,085 citations
- 392DAIWA CAN CO LTD22 patents · 462 citations
- 488NIPPON STEEL CORP178 patents · 957 citations
- 583HITACHI LTD45 patents · 919 citations
- 679ROLLS ROYCE PLC48 patents · 898 citations
- 775BELVAC PRODUCTION MACHINERY INC41 patents · 461 citations
- 871TOYOTA MOTOR CO LTD148 patents · 1,418 citations
- 967FORD MOTOR CO77 patents · 859 citations
- 1063HONDA MOTOR CO LTD164 patents · 1,354 citations
- 1158NISSAN MOTOR47 patents · 572 citations
- 1254MURATA MACHINERY LTD46 patents · 595 citations
- 1350HIDAKA SEIKI KK33 patents · 410 citations
- 1446BARNES GROUP INC12 patents · 178 citations
- 1542FORD GLOBAL TECH LLC134 patents · 531 citations
- 1638AIDA ENG LTD83 patents · 514 citations
- 1733ROHR INC22 patents · 216 citations
- 1829STOLLE MACHINERY CO LLC134 patents · 488 citations
- 1925MITSUBISHI ELECTRIC CORP32 patents · 186 citations
- 2021MILWAUKEE ELECTRIC TOOL CORP50 patents · 185 citations
- 2117EDWARDS LIFESCIENCES CORP20 patents · 234 citations
- 2213ILLINOIS TOOL WORKS22 patents · 159 citations
- 238KOBE STEEL LTD82 patents · 343 citations
- 244SIEMENS AG27 patents · 170 citations
- 251BRUDERER AG25 patents · 206 citations
Active· last 5 yrs
Sustained B21D output across the last 5 years
- 199BOEING CO243 patents · 5,298 citations
- 296CHATSWORTH PROD INC8 patents · 402 citations
- 392KLAUKE GMBH GUSTAV25 patents · 1,144 citations
- 488GEN ELECTRIC71 patents · 1,212 citations
- 583BALL CORP107 patents · 2,721 citations
- 679AMADA CO LTD213 patents · 3,085 citations
- 775TOYO SEIKAN KAISHA LTD73 patents · 1,420 citations
- 871SHAPE CORP26 patents · 503 citations
- 967DAIWA CAN CO LTD22 patents · 462 citations
- 1063NIPPON STEEL CORP178 patents · 957 citations
- 1158HITACHI LTD45 patents · 919 citations
- 1254REXAM BEVERAGE CAN CO22 patents · 408 citations
- 1350ROLLS ROYCE PLC48 patents · 898 citations
- 1446BELVAC PRODUCTION MACHINERY INC41 patents · 461 citations
- 1542UNITED TECHNOLOGIES CORP36 patents · 488 citations
- 1638TOYOTA MOTOR CO LTD148 patents · 1,418 citations
- 1733FORD MOTOR CO77 patents · 859 citations
- 1829MAGNA INT INC38 patents · 390 citations
- 1925HONDA MOTOR CO LTD164 patents · 1,354 citations
- 2021MODINE MFG CO18 patents · 397 citations
- 2117NISSAN MOTOR47 patents · 572 citations
- 2213MURATA MACHINERY LTD46 patents · 595 citations
- 238CATERPILLAR INC24 patents · 384 citations
- 244CARRIER CORP53 patents · 832 citations
- 251UNIVERSAL CAN CORP13 patents · 212 citations
All-time canon
All-time PatentIndex Score in B21D
- 199WEATHERFORD LAMB39 patents · 2,819 citations
- 296ALUMINUM CO OF AMERICA91 patents · 3,994 citations
- 392BOEING CO243 patents · 5,298 citations
- 488SHELL OIL CO25 patents · 1,053 citations
- 583CROWN CORK & SEAL TECH CORP38 patents · 1,623 citations
- 679GEN MOTORS CORP144 patents · 4,200 citations
- 775CHATSWORTH PROD INC8 patents · 402 citations
- 871WESTINGHOUSE ELECTRIC CORP50 patents · 1,421 citations
- 967NAT CAN CORP34 patents · 1,139 citations
- 1063KLAUKE GMBH GUSTAV25 patents · 1,144 citations
- 1158MC DONNELL DOUGLAS CORP33 patents · 1,209 citations
- 1254GLASS EQUIPMENT DEV INC8 patents · 560 citations
- 1350METAL BOX PLC29 patents · 1,120 citations
- 1446ROCKWELL INTERNATIONAL CORP51 patents · 2,037 citations
- 1542GEN ELECTRIC71 patents · 1,212 citations
- 1638REDICON CORP39 patents · 1,546 citations
- 1733BALL CORP107 patents · 2,721 citations
- 1829COSMA INT INC18 patents · 634 citations
- 1925HASKEL INC14 patents · 701 citations
- 2021AMERICAN NATIONAL CAN CO21 patents · 981 citations
- 2117L H CARBIDE CORP29 patents · 946 citations
- 2213KOMATSU MFG CO LTD135 patents · 2,278 citations
- 238APPLIED ELASTOMERICS INC5 patents · 416 citations
- 244AMADA CO LTD213 patents · 3,085 citations
- 251BTM CORP34 patents · 1,220 citations
90–99 field-defining50–89 strong<50 emergingearned by citationsfrom family breadth