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LAB WENNEBOSTEL DR ING SENNHEI

Overview
  • Total Patents
    13
About

LAB WENNEBOSTEL DR ING SENNHEI has a total of 13 patent applications. Its first patent ever was published in 1948. It filed its patents most often in Germany, Denmark and France. Its main competitors in its focus markets audio-visual technology, measurement and telecommunications are HENNEL GMBH & CO KG HANS, GREIBACH EMIL H and SIGMAELTEC CO LTD.

Patent filings in countries

World map showing LAB WENNEBOSTEL DR ING SENNHEIs patent filings in countries
# Country Total Patents
#1 Germany 11
#2 Denmark 1
#3 France 1

Patent filings per year

Chart showing LAB WENNEBOSTEL DR ING SENNHEIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Martini Dipl-Ing Wolfgang 2
#2 Griese Dr-Ing Hans Joachim 2
#3 Warning Paul Friedrich 2
#4 Vetterlein Dr-Ing Pascal 1
#5 Martini Wolfgang 1
#6 Warnig Paul-Friedrich 1
#7 Griese Hans Joachim Dr-Ing 1
#8 Vetterlein Pascal 1
#9 Holle Dr-Ing Werner 1
#10 Warning Paul-Friedrich 1

Latest patents

Publication Filing date Title
DE958679C Device for measuring the quotient of two alternating voltages or currents
DE929683C Housing for microphones
DE970894C Appeal for microphones
DE950471C Contact arrangement for small ears for preferential use for hearing impaired devices
DE948886C Electromagnetic small ears, preferably for the hard of hearing
DE905620C Call setup of two-way intercom, intercom and call systems
DE847921C Loudspeaker with pipeline
DE947084C microphone
DE816312C Belt or wire drive
DE823902C Calibration control circuit for electrical measuring devices
DE837252C Noise-insensitive microphone