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SUEDDEUTSCHE TELEFON APP KABEL

Overview
  • Total Patents
    280
About

SUEDDEUTSCHE TELEFON APP KABEL has a total of 280 patent applications. Its first patent ever was published in 1915. It filed its patents most often in Germany, United Kingdom and Austria. Its main competitors in its focus markets electrical machinery and energy, telecommunications and audio-visual technology are MANFRED VON ARDENNE, RAULAND CORP and ETABLISSEMENTS IND DE E C GRAM.

Patent filings in countries

World map showing SUEDDEUTSCHE TELEFON APP KABELs patent filings in countries
# Country Total Patents
#1 Germany 247
#2 United Kingdom 14
#3 Austria 13
#4 Denmark 3
#5 France 3

Patent filings per year

Chart showing SUEDDEUTSCHE TELEFON APP KABELs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Eichler Curt 15
#2 Herlitz Dipl-Ing Werner 8
#3 Wagner Fritz 7
#4 Gottlieb Max 5
#5 Mader Dr-Ing Wilhelm 4
#6 Henning Dipl-Ing Hans 3
#7 Schmidt Dipl-Ing Luitfried 3
#8 Liebert Dr Gustav 3
#9 Wiedenmann Dipl-Ing Adolf 3
#10 Goehl Max 3

Latest patents

Publication Filing date Title
DE1490580A1 Connection sleeve for high voltage plastic cable
DE1178118B Circuit arrangement for a dynamically controlled amplifier with transistors, in particular a transmission volume controller
DE1184813B Short-circuit-proof, selective coupling circuit for connecting a carrier-frequency call station to a telephone line
DE1214760B Process for removing cable cores from the water that has cooled below its limit temperature
DE1162423B Short-circuit-proof, selective coupling circuit for connecting a carrier-frequency call station to a telephone line
DE1162420B Emergency call transmitter
DE1158124B Trap arrangement for carrier-frequency message transmission
DE1167381B TV recording camera
DE1131756B Arrangement for the operation of an emergency call device with coin operated telephones
DE1153798B Circuit arrangement for evaluating multi-frequency call signals in telecommunication systems, in particular selective call evaluators
DE1158586B Selective call system and circuit arrangement for evaluating multi-frequency call signals in telecommunications systems, in particular selective call evaluators
DE1178949B Method and arrangement for measuring the conductivity of semiconductor crystals
DE1157270B Circuit arrangement for evaluating selective call signals in telecommunication systems, in particular telephone systems
DE1175070B TV recording camera
DE1139891B Circuit arrangement for manually operated remote exchanges
DE1125491B Circuit arrangement for telephone, in particular telephone extension systems with local supply
DE1167917B Regulated power supply for push-pull B amplifier
DE1183289B Device for evaluating statistical numerical values
DE1189204B Method for determining the concentration of doping impurities diffused into semiconductor bodies and for determining the surface concentration
DE1105921B Frequency-stable multichannel VHF overlay receiver