EJ

Erwin Junker

EG Erwin Junker Maschinenfabrik Gmbh: 26 patents #1 of 8Top 15%
EA Erwin Junker Grinding Technology A.S.: 8 patents #1 of 2Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #49,091 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDate
11628537 Method and device for grinding large crankshafts 2023-04-18
11383342 Method and cylindrical grinding machine for centerless cylindrical grinding 2022-07-12
11260501 Method and grinding machine for measuring and producing a target outer contour of a workpiece by means of grinding 2022-03-01
10954905 Internal combustion engine comprising a fuel injection nozzle with an additional supply of a combustion-promoting medium into the combustion chamber 2021-03-23
10766114 Method and system for grinding the exterior of shaft parts between tips 2020-09-08
10576602 Method for the complete grinding of workpieces in the form of shafts having cylindrical and profiled sections 2020-03-03
10537971 Measuring steady rest for supporting and measuring central workpiece regions grinding machine with such a measuring steady rest, and method for supporting and measuring central workpiece regions 2020-01-21
10532443 Method and grinding machine for grinding grooved workpieces 2020-01-14
10464182 Method and grinding machine for grinding external and internal contours of workpieces in one clamping 2019-11-05
10293450 Steady rest for supporting central workpiece regions during the machining of central and/or eccentric workpiece regions, in particular bearing points on crankshafts, and grinding machine having such a steady rest 2019-05-21
10092994 Grinding machine with pivotable mounting of a grinding spindle 2018-10-09
10058968 Grinding machine and method for grinding workpieces that have axial bores and planar external surfaces to be machined on both sides 2018-08-28
9878417 Method for the centreless grinding of shaft parts, in particular of tubes for assembled camshafts, and grinding-wheel and regulating-wheel pair provided for this purpose 2018-01-30
9475121 Machine and method for turning at least flat shoulders on a crankshaft that surround crankpins 2016-10-25
9358605 Method and production line for machining a crankshaft 2016-06-07
9242332 Method for the cylindrical grinding of a workpiece, system containing the workpiece and apparatus for the centreless grinding of the system Hubert Mueller 2016-01-26
8944891 Centreless cylindrical grinding machine for grinding workpieces in rod form and method for the centreless cylindrical grinding of workpieces in rod form 2015-02-03
8715036 Grinding center and method for the simultaneous grinding of multiple crankshaft bearings 2014-05-06
8678881 Grinding center and method for simultaneous grinding of a plurality of bearings and end-side surfaces of crankshafts 2014-03-25
8419504 Method for relief-grinding the cutting teeth of taps, thread formers, and similar tools 2013-04-16
8360819 Method for grinding a machine part, and grinding machine for carrying out said method 2013-01-29
7708623 Cylindrical grinding method for producing hard metal tools and cylindrical grinding machine for grinding cylindrical starting bodies during the production of hard metal tools 2010-05-04
7393261 Cylindrical grinding method for producing hard metal tools and cylindrical grinding machine for grinding cylindrical starting bodies during the production of hard metal tools 2008-07-01
7258594 Method and device for centerless cylindrical grinding 2007-08-21
7235007 Divided grinding tool 2007-06-26