B21H 3/08

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9630267 Thread generating tool for producing a thread in a workpieceDec 14, 11Apr 25, 17AUDI AG, EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik Fuer Praezisionswerkzeuge, EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FUER PRAEZISIONSWERKAEUGE,
9624962 NutJan 29, 13Apr 18, 17HEWI G. WINKER GMBH & CO. KG
9352382 Screw or nut with a thread a pitch of which varies and tool to produce said screw or nutJan 19, 10May 31, 16LISI AEROSPACE
9097471 Method of producing a heat exchanger tubeAug 27, 14Aug 04, 15WIELAND-WERKE AG
8899308 Heat exchanger tube and method for producing itNov 20, 09Dec 02, 14WIELAND-WERKE AG
8690693 Method for producing hollow body elements, hollow body element, component, follow-on composite tool for producing hollow body elementsFeb 14, 12Apr 08, 14PROFIL VERBINDUNGSTECHNIK GMBH & CO. KG
8491399 Method for manufacturing FRP member with insert and FRP member with insertMay 26, 09Jul 23, 13TOYOTA JIDOSHA KABUSHIKI KAISHA
8419556 Nut, female thread machining device and female thread machining methodAug 25, 09Apr 16, 13HONDA MOTOR CO., LTD.
8262492 Spacer nut manufacturing methodDec 25, 09Sep 11, 12Watoku Co., Ltd.
7651401 Self-attaching female fastener elements and method of forming sameNov 24, 03Jan 26, 10PENN AUTOMOTIVE, INC., WHITESELL FORMED COMPONENTS, INC.,
6485371 Grooved nut and manufacturing method thereofJan 03, 01Nov 26, 02KABUSHIKI KAISHA SAKAMURA KIKAI SEISAKUSHO
6334370 Ball screwed nut, linearly guiding apparatus using the same, ball screw for steering and method of manufacturing the ball screwed nutSep 10, 99Jan 01, 02THK CO., LTD.
5937684 Tap employing deformation of matterSep 24, 97Aug 17, 99Ademva
5307662 Roll threading apparatus for threading end blank for metal drum containerDec 11, 92May 03, 94Tannan Co., Ltd.
4498322 Thread-rolling toolFeb 23, 82Feb 12, 85Not available
4491002 Method for forming on workpiece resilient thread having closed helical cavity inside the threadFeb 18, 82Jan 01, 85Not available
4457153 Method and apparatus for forming internal threads in tubesMar 29, 82Jul 03, 84SHORTY'S AUTOMATIC & TOOLING, INC., A MI CORP., TRANSFER ENGINEERING & DIE COMPANY (D/B/A TEDCO),
4426870 Method and tool for making elastic thread having closed helical cavity inside thread profileMar 30, 81Jan 24, 84Dnepropetrovsky Gorny Institut Imeni Artema, DNEPROPETROVSKY GORNY INSTITUT IMENI ARTEMA USSR, DNEPROPETROVSK,
4315340 Method and apparatus for making a self-thread creating fastenerOct 09, 80Feb 16, 82FARSTRON COMPANY