JOHANNES PERTHEN DR ING

Overview

About

JOHANNES PERTHEN DR ING has a total of 26 patent applications. Its first patent ever was published in 1938. It filed its patents most often in Germany. Its main competitors in its focus markets measurement, control and machine tools are ROCH PIERRE ETS, CARE RONALD J and WEGU MESSTECHNIK.

Patent filings in countries

#	Country	Total Patents
#1	Germany	26

#	Technology
#1	Measuring length, angles and areas
#2	Special measuring
#3	Accessories for machine tools
#4	Control or regulating systems
#5	Testing of structures
#6	Gearing
#7	Mechanically-driven clocks

#	Name	Total Patents
#1	Perthen Dr-Ing Johannes	19
#2	Steudel Hans-Karl	5
#3	Gerighausen Dipl-Ing Werner	3
#4	Kreiensen Kurt	2
#5	Friza Robert Dipl-Ing	1
#6	Hildebrandt Dr-Ing Friedrich	1
#7	Kunzmann Konrad	1
#8	Perthen Johannes Dr-Ing	1
#9	Fonk Wilhelm	1