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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 14 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Computer technology |
# | Technology | |
---|---|---|
#1 | Measuring length, angles and areas | |
#2 | Electric digital data processing | |
#3 | Measuring electric variables |
# | 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 |
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 |