ERWIN JUNKER MASCHINENFABRIK GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 2343
 
 
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 337
 
 
 
B23B TURNING; BORING 250
 
 
 
B21H MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS 17
 
 
 
B23C MILLING 132

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9475121 Machine and method for turning at least flat shoulders on a crankshaft that surround crankpinsDec 18, 12Oct 25, 16[B23B, B23P]
9358605 Method and production line for machining a crankshaftMay 16, 12Jun 07, 16[B24B, B23B, B21H, B23C]
9108287 Method for grinding the main and rod bearing of a crankshaft by external cylindrical grindingOct 21, 10Aug 18, 15[B24B]
8715036 Grinding center and method for the simultaneous grinding of multiple crankshaft bearingsMay 20, 08May 06, 14[B24B]
8678881 Grinding center and method for simultaneous grinding of a plurality of bearings and end-side surfaces of crankshaftsJul 22, 08Mar 25, 14[B24B]
8641025 Method for the support of a rotating workpiece during grinding and a hydrodynamic steady restJul 03, 08Feb 04, 14[B23Q]
8506357 Method for grinding the main and rod bearings of a crankshaft by external cylindrical grinding and apparatus for carrying out the methodJan 13, 09Aug 13, 13[B24B]
8475229 Method and grinding machine for the complete grinding of short and/or rod-shaped workpiecesMay 08, 08Jul 02, 13[B24B]
8419504 Method for relief-grinding the cutting teeth of taps, thread formers, and similar toolsFeb 28, 07Apr 16, 13[B24B]
8360819 Method for grinding a machine part, and grinding machine for carrying out said methodFeb 27, 08Jan 29, 13[B24B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8500518 Method of grinding an indexable insert and grinding wheel for carrying out the grinding methodExpiredJul 25, 07Aug 06, 13[B24B]
2012/0273,429 METHOD FOR SEPARATING GRINDING OIL FROM GRINDING SLURRY; SEPARATING STATION FOR CARRYING OUT SAID METHOD AND PLANT ACCORDING TO SAID METHODAbandonedOct 21, 10Nov 01, 12[B01D]
2012/0164,926 GRINDING-SUPPORTING DEVICEAbandonedJun 08, 10Jun 28, 12[B24B]
2007/0178,808 Method and device for grinding assembled camshafts with a high concentricity accuracyAbandonedJan 27, 05Aug 02, 07[B24B]
7083500 Method and device for grinding the outside and inside of a rotationally symmetric machine part comprising a longitudinal boreholeExpiredJul 30, 03Aug 01, 06[B24B]
7008294 Method and device for grinding a rotating roller using an elastic steady-rest supportExpiredJul 17, 03Mar 07, 06[B24B]
2005/0170,753 Method and device for producing gear plates for a continuously variable gearboxAbandonedOct 09, 03Aug 04, 05[B24B]
6685536 Method for grinding convex running faces and outside diameters on shaft-like workpieces in one set-up and grinding machine for carrying out the methodExpiredJan 07, 02Feb 03, 04[B24B]
2003/0060,133 Method and device for grinding fluted toolsAbandonedJun 28, 02Mar 27, 03[B24B]
6200200 Method and device for non-circular grinding of cam shapes with concave flanksExpiredFeb 16, 99Mar 13, 01[B24B]
6186738 Docking system and method for aligning and attaching a mobile loading/unloading unit to a machneExpiredMar 20, 00Feb 13, 01[B23Q]
6089812 Docking system for aligning and attaching a mobile loading/unloading unit to a machineExpiredMay 05, 99Jul 18, 00[B23Q]
4655066 Device for straightening cold-deformable, rotationally-symmetrical workpiecesExpiredDec 24, 85Apr 07, 87[B21D]

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