EMAG Maschinenfabrik GmbH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7172494 Crankshaft and camshaft grinderExpiredNov 22, 05Feb 06, 07[B24B]
6845899 Method and device for machining partsExpiredJul 17, 02Jan 25, 05[B23P, B23K]
2004/0110,614 Machine center with two machining devices with tool change positionAbandonedJul 18, 03Jun 10, 04[B23Q]
6711804 Machining centerExpiredNov 04, 02Mar 30, 04[B23B, B23P, B23C]
2003/0221,308 Machining apparatus with pivotal workpiece holderAbandonedMay 14, 03Dec 04, 03[B23Q]
2003/0182,782 Machining system with multiaxial movementAbandonedMar 12, 03Oct 02, 03[B23P, B23C]
5293793 Machining apparatus with at least one base unitExpiredMay 28, 92Mar 15, 94[B23B]
5178040 Tool turret for machine toolsExpiredAug 31, 90Jan 12, 93[B23B]
5093973 Tool turret for machine toolsExpiredOct 19, 90Mar 10, 92[B23Q, B23B]
4899627 Arrangement for centering and clamping work piecesExpiredJun 18, 88Feb 13, 90[B23B]
4813311 Center drive machineExpiredJun 11, 87Mar 21, 89[B23B]
4647268 Part handling deviceExpiredJul 19, 85Mar 03, 87[B66C]
4616538 Chuck assemblyExpiredApr 27, 84Oct 14, 86[B23B]
4554610 Magnetic gripping deviceExpiredJun 01, 84Nov 19, 85[H01F]
4544985 Lifting electromagnetExpiredMar 30, 83Oct 01, 85[H01F]
4530028 Electromagnet with expandible cores for exciting coilsExpiredMar 31, 83Jul 16, 85[H01H]
4476752 Machine tool with a separable transmission for its work spindleExpiredJun 14, 82Oct 16, 84[B23B]

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