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PROTONA PRODUKTIONSGES

Overview
  • Total Patents
    71
About

PROTONA PRODUKTIONSGES has a total of 71 patent applications. Its first patent ever was published in 1951. It filed its patents most often in Germany, United Kingdom and France. Its main competitors in its focus markets audio-visual technology, electrical machinery and energy and telecommunications are KLEMM MFG COMPANY, ALPS MOTOROLA and DMA SYSTEMS CORP.

Patent filings in countries

World map showing PROTONA PRODUKTIONSGESs patent filings in countries
# Country Total Patents
#1 Germany 27
#2 United Kingdom 13
#3 France 12
#4 Canada 7
#5 United States 7
#6 Switzerland 4
#7 Austria 1

Patent filings per year

Chart showing PROTONA PRODUKTIONSGESs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Genning Dipl-Ing Ernst 10
#2 Herrmann Guenter 9
#3 Schuh Dr-Ing Carl Friedrich 4
#4 Hannemann Ludwig C R 4
#5 Herrmann Gunter 3
#6 Ernst Genning 3
#7 Genning Ernst 2
#8 Pieper Horst 2
#9 Grenning Ernst Dipl Ing 2
#10 Genning Ernst Dipl Ing 2

Latest patents

Publication Filing date Title
DE1194600B Magnetic pocket device
DE1177840B Switching device on a microphone, in particular a hand microphone for dictation devices
DE1186650B Device for keeping the recording medium speed constant
DE1110902B Pocket magnetic recorder for wire or tape recording media
US3085758A Sound recording and reproducing apparatus driving mechanism
US3154649A Centrifugal governor operated contact system
US3070200A Barrel clutch for reversible drives
GB894861A Clutch for reversible drives
DE1077709B Clip or bracelet microphone with flat box housing
DE1151953B Microphone for dictation machines
DE1200565B Engine for magnetic sound pocket devices
DE1099755B Reel locking in exchangeable cassettes with tape or wire-shaped recording media, especially for magnetic-sound pocket devices
GB888467A Improvements in or relating to screened electric motors
DE1160008B Electrical end shutdown for engines of electroacoustic devices, especially magnetic sound devices
GB847133A Improvements in or relating to a circuit for regulating the speed of d.c. motors
DE1138246B Brake for record carrier drives in a magnetic sound pocket device
DE1044934B Centrifugal contact controller with ventilated contacts for speed control of electromechanical engines
US2898055A Reversing mechanism for magnetic sound recorders
GB810065A Improved reversing mechanism for magnetic sound recorders
GB831119A Improvements in or relating to centrifugal electrical contact governors