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PERTHEN JOHANNES DR ING

Overview
  • Total Patents
    14
About

PERTHEN JOHANNES DR ING has a total of 14 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Germany. Its main competitors in its focus markets measurement and computer technology are GERHARDT MESSMASCHB KG, OYO KEISOKU KOGYO KK and VISION DEVICE S R L.

Patent filings in countries

World map showing PERTHEN JOHANNES DR INGs patent filings in countries
# Country Total Patents
#1 Germany 14

Patent filings per year

Chart showing PERTHEN JOHANNES DR INGs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Perthen Johannes Dr-Ing 4
#2 Gerighausen Werner Dipl-Ing 3
#3 Steudel Hans-Karl 2
#4 Perthen Johann Dipl-Ing Dr 1
#5 Gerighausen Werner Dipl Ing 1
#6 Schiewe Dietmar 1
#7 Gross Klaus 1
#8 Heider Hans-Juergen 1
#9 Perthen Guenther Cand Rer Nat 1
#10 Fonk Wilhelm 1

Latest patents

Publication Filing date Title
DE2411952A1 Statistical distribution automatic calculation and plotting method - works in connection with measurement process diagram plotting
DE2411627A1 Electrical compensation of mechanical quantity - uses method of superposition of several harmonics of fundamental wave
DE2411509A1 Recording surface measuring appts. with sliding microscanner - has diamond stylus and electro-mechanical transducer feeding measuring amplifier
DE2411313A1 Measuring device for roundness of workpiece - caters for a broken surface, and the device is automatically centred
DE2411312A1 Deviations from roundness of a workpiece - includes measuring device, with an automatic electric centring arrangement