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HEGENSCHEIDT GMBH WILHELM

Overview
  • Total Patents
    328
About

HEGENSCHEIDT GMBH WILHELM has a total of 328 patent applications. Its first patent ever was published in 1913. It filed its patents most often in Germany, United States and Japan. Its main competitors in its focus markets machine tools, machines and measurement are COGSDILL TOOL PROD, BERTHIEZ SAINT ETIENNE and BRIGHT FRED E.

Patent filings per year

Chart showing HEGENSCHEIDT GMBH WILHELMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Berstein Garri 28
#2 Wittkopp Helmut 25
#3 Ostertag Alfred 21
#4 Hansen Willi 18
#5 Dombrowski Theodor Dipl Ing 16
#6 Dombrowski Theodor 16
#7 Winkens Rudolf 12
#8 Garii Berushiyutain 12
#9 Wittkopp Helmut Dipl Ing 10
#10 Klosterhalfen Hartwig 10

Latest patents

Publication Filing date Title
DE4404356A1 Process for the non-destructive testing of railway wheels
EP0617254A1 Method and device for the determination of the thickness of rims or tyres of railway wheels
DE4238787A1 Process for machining a wheel set and device for carrying out the process
US5235838A Method and apparatus for truing or straightening out of true work pieces
EP0537376A1 Process for the chip forming machining of a wheelset driven by friction rolls
DE4131363A1 Process for machining rotary surfaces of rotationally symmetrical workpiece surfaces
EP0528058A1 Method for machining a wheel set driven by friction rolls
EP0503109A1 Tool with burnishing rolls
EP0491067A1 Slip limiting process
EP0461293A1 Method for rolling of crankshafts with different eccentricities and machine for carrying out this method
EP0456845A1 Method for profiling or reprofiling of railway wheels by machining
RU2037390C1 Spinning block
JPH03226672A Method for detecting slippage between railway wheel and friction drive roller and device for performing it
DE3931747A1 Machine for machining a wheel set
JPH0271971A Roller unit
EP0353427A1 Burnishing unit
JPH0241870A Tools for smoothing and / or hardening rolling
EP0353376A1 Burnishing tool
EP0330734A2 Compacting tool
EP0299111A2 Method and apparatus for straightening unbalanced workpieces