Learn more

IT TELECOMMUNICAZIONI SIEMENS

Overview
  • Total Patents
    39
About

IT TELECOMMUNICAZIONI SIEMENS has a total of 39 patent applications. Its first patent ever was published in 1956. It filed its patents most often in Germany, Canada and United States. Its main competitors in its focus markets telecommunications, basic communication technologies and digital networks are PERSONETA LTD, CONGRUENCY INC and CLARK DAVID WILLIAM.

Patent filings in countries

World map showing IT TELECOMMUNICAZIONI SIEMENSs patent filings in countries

Patent filings per year

Chart showing IT TELECOMMUNICAZIONI SIEMENSs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Dal Monte Giorgio 3
#2 Callegari Luciano 3
#3 Monte Giorgio Dal 3
#4 Poretti Isidoro 3
#5 Luciano Callegari 2
#6 Lyghounis Evangelo 2
#7 Ciaccia Alberto 2
#8 Candiani Giampiero 2
#9 Anichini Cesare 2
#10 Rivetta Gianfranco Dipl-Ing 1

Latest patents

Publication Filing date Title
DE2212564A1 Electronic switch arrangement for video signals
DE2131635A1 Digital compression circuit
DE2131634A1 Digital expansion circuit
US3708625A Circuit arrangement for utilizing idle channels of multiplex telecommunication system for data transmission
DE2060858A1 Digital frequency generator
DE1936005A1 Signaling system
GB1170099A A Transistor Amplifier
US3391245A Small size calling dial to be used with hand-held telephone sets and the like
DE1210077B Circuit arrangement to prevent malfunctions when switching on static, diode-equipped DC-AC converters, which are controlled and controlled by a square-wave voltage
DE1210911B Multistage decoding circuit with transistors
DE1204271B Loudspeaker for a speaking booth
DE1114853B System for recording the charges for telephone calls in telephones and teleprinters
CA826808A Frequency modulator comprising a diode varactor
CA880552A Signalling device positively controlled by direct current and employing circuits comprising magnetic cores
CA792307A Telephone set
CA800082A Automatic receiving working and receiving reserve switching device for a radio communication system
CA893400A System arranged to allow permutation of channels of pcm systems in a mesh network
CA814604A Signal phase-modulating system using varactor diodes
CA854366A Telephone plug for plug-in installations, with interchangeable contacts on the connecting insert, and adapted to incorporate a compact call signalling device
CA837732A Time allocation communication system with scrambling network