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WALTER ROGOWSKI DR ING

Overview
  • Total Patents
    23
About

WALTER ROGOWSKI DR ING has a total of 23 patent applications. Its first patent ever was published in 1919. It filed its patents most often in Germany. Its main competitors in its focus markets electrical machinery and energy, measurement and mechanical elements are HOKUTO DENSHI KOGYO KK, TRUEB TAEUBER & CO A G and TRUEB TAEUBER & CO AG.

Patent filings in countries

World map showing WALTER ROGOWSKI DR INGs patent filings in countries
# Country Total Patents
#1 Germany 23

Patent filings per year

Chart showing WALTER ROGOWSKI DR INGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sommerfeld Dr-Ing Ernst 1
#2 Wolmann Dr-Ing Walter 1

Latest patents

Publication Filing date Title
DE761220C Cathode ray oscilloscope with electrostatic concentration
DE608550C Cold cathode oscilloscope
DE595954C Method for determining the frequency of one-off damped oscillation trains, in particular for determining the frequency and the place of origin of traveling wave interference in electrical transmission lines
DE546001C Cathode oscilloscope
DE567558C Process for generating, maintaining and varying different gas pressures in permanently communicating discharge vessels that are permanently gas-tight from the atmosphere
DE548917C Glow cathode oscilloscope
DE606075C Switching arrangement for the oscillographic recording of one-off processes of the highest frequency with the cathode oscilloscope
DE535977C Glow cathode oscilloscope
DE514482C Relay arrangement for the time circuit of a cathode oscilloscope that can be charged via resistors from a DC voltage source and discharged via an electron tube
DE497990C Arrangement for the continuous recording of involuntary processes with the cathode oscilloscope
DE565822C Cathode oscilloscope
DE494941C Circuit for initiating the discharge of the time circuit capacitor of a cathode oscilloscope
DE520513C Cathode oscilloscope
DE595784C Cathode oscilloscope with two concentration coils
DE617226C Cathode oscilloscope
DE432166C DC generator with harmonic-free voltage for supplying telephone exchanges
DE355400C Self-exciting, constant voltage regulating direct current generator with variable speed
DE540084C Brown pipe
DE567642C High voltage electrostatic machine
DE535161C Circuit for initiating the discharge of the voltage-applied blocking and time capacitor of a cathode oscilloscope