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GRAMMOPHON GES MIT BESCHRAENKT

Overview
  • Total Patents
    38
About

GRAMMOPHON GES MIT BESCHRAENKT has a total of 38 patent applications. Its first patent ever was published in 1941. It filed its patents most often in Germany and United Kingdom. Its main competitors in its focus markets audio-visual technology, machines and packaging and shipping are POLYGRAM GMBH, COLUMBIA PHONOGRAPH CO INC and SONY DISC & DIGITAL SOLUTIONS.

Patent filings in countries

World map showing GRAMMOPHON GES MIT BESCHRAENKTs patent filings in countries
# Country Total Patents
#1 Germany 36
#2 United Kingdom 2

Patent filings per year

Chart showing GRAMMOPHON GES MIT BESCHRAENKTs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kalms Gerhard 6
#2 Eilers Hans Guenter Dipl-Chem 4
#3 Ellrich Johannes 4
#4 Soeding Dipl-Phys Horst 3
#5 Stecher Dipl-Ing Helmut 3
#6 Niemann Dipl-Phys Peter 3
#7 Krust Herbert 2
#8 Schaaf Alexander 2
#9 Haase Hans-Joachim 2
#10 Steinhausen Dr-Ing Hans-Werner 1

Latest patents

Publication Filing date Title
DE1258898B Procedure for recording sound events
DE1258897B Recording procedure for sound events
DE1227686B Record pocket
DE1195509B Record pocket with lockable pocket opening
DE1192421B Record pocket with spacer strips to connect the pocket edges
DE1162853B Method for visualizing and / or copying recordings of electrical signals with surface deformation of the recording medium
DE1182696B Arrangement for reading recordings on tape or disk-shaped recording media
DE1181275B Arrangement for scanning recordings on tape or plate-shaped recording media
DE1198582B Record cleaning device
DE1181443B Record bag made of sheets, cardboard or plastic film
DE1260731B Device for holding records by means of transparent sleeves for purposes of sale or the like.
DE1130856B Loudspeaker arrangement for multi-channel stereophony
DE1162100B Speed switch for a record player for records with different speeds
DE1096054B Process for the production of records with a filling material core
DE1101008B Record stand for holding records in an upright position
GB840783A Improvements in or relating to adapters for gramophone records
DE1120733B Record pressing process
DE1063399B Combination of a radio with a playback device
DE1045116B Device for sound recording using a radiation-sensitive layer on the recording medium
DE1045117B Arrangement for generating artificial reverberation by electromechanical means