B21H

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9999958 Deep rolling tool for blade fatigue life enhancementFeb 16, 17Jun 19, 18United Technologies Corporation
9987722 Hard-rolling rollerJul 20, 12Jun 05, 18Hegenscheidt-MFD GmbH & Co. KG
9987670 Method and device for producing tapering pipe sections on ground screw foundationsJul 14, 16Jun 05, 18Krinner Innovation GmbH
9981296 Method and device for producing an internally and externally toothed pot-shaped sheet metal part using a forming headMar 06, 15May 29, 18Webo Werkzeugbau Oberschwaben GmbH
9968986 Thread rolling headDec 16, 14May 15, 18LMT FETTE WERKZEUGTECHNIK GMBH & CO. KG
9956603 Apparatus for processing surface of workpieceAug 31, 15May 01, 18KOREA INSTITUTE OF MACHINERY & MATERIALS
9950380 Method for forming a dual threaded dieMar 12, 14Apr 24, 18Not available
9937574 Method of machining a workpiece, and gear-cutting machine operable to perform the methodJun 17, 13Apr 10, 18Gleason-Pfauter Maschinenfabrik GmbH
9933092 Tubular structures and knurling systems and methods of manufacture and use thereofAug 16, 17Apr 03, 18Deflecto, LLC
9919390 Combined ring rolling method for spherical valve bodySep 18, 15Mar 20, 18WUHAN UNIVERSITY OF TECHNOLOGY
9919355 Roll forming machine with reciprocating diesMar 12, 14Mar 20, 18ILLINOIS TOOL WORKS INC.
9923340 Method of producing threaded member, method of producing spark plug, and apparatus for producing threaded memberJul 22, 15Mar 20, 18NGK SPARK PLUG CO., LTD.
9915279 Pull-up bolt assemblyMar 24, 17Mar 13, 18UNIVERSAL HINGE CORPORATION
9889493 Wheel bearing device with a clearance formed between the inner race and the hub wheelMar 09, 09Feb 13, 18NTN CORPORATION
9855790 Method for the manufacture of a spoke for spoked wheels, spoke forming machine and spoke obtained with said methodJan 16, 13Jan 02, 18ALPINA RAGGI S.P.A.
9802241 Flat semi-finished product made of metal and methods for producing same as well as components thereofApr 28, 11Oct 31, 17DBW HOLDING GMBH
9803676 Hollow metal screw and method of makingMar 24, 16Oct 31, 17Physical Systems, Inc.
9782820 Production method for a semi-finished productJun 08, 11Oct 10, 17HILTI AKTIENGESELLSCHAFT
9784320 Method for producing a composite rolling bearingJun 25, 12Oct 10, 17SCHAEFFLER TECHNOLOGIES AG & CO. KG
9757792 Method for making a die for roll forming a dual threaded boltApr 09, 14Sep 12, 17DOLL, MARK

Showing 1 to 20 of 639 results