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FELTEN & GUILLEAUME GMBH

Overview
  • Total Patents
    247
About

FELTEN & GUILLEAUME GMBH has a total of 247 patent applications. Its first patent ever was published in 1951. It filed its patents most often in Germany, France and EPO (European Patent Office). Its main competitors in its focus markets telecommunications, basic communication technologies and transport are AURORA NETWORKS INC, SOLIDSYSTEMS INC and CELIGHT INC.

Patent filings per year

Chart showing FELTEN & GUILLEAUME GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sippel Dipl-Ing Helmut 16
#2 Maerkl Dipl-Ing Georg 14
#3 Friedrich Siegfried 11
#4 Oberlaender Ewald 10
#5 Schmidt Hans-Joachim 7
#6 Koubecky Vladimir 7
#7 Heinrich Paul 6
#8 Roderer Herbert 6
#9 Knauer Edwin 6
#10 Schilling Horst 6

Latest patents

Publication Filing date Title
DE3437171A1 Apparatus for labelling, marking or writing on articles having a curved surface
AU2962984A Verfahren zum uberwachen der neigung eines kraftfahrzeuges
DE3318275A1 METHOD FOR MONITORING THE INCLINATION OF A MOTOR VEHICLE
DE3316010A1 Method for monitoring an essentially closed space
DE3209861A1 Power supply circuit
DE3207120A1 Monitoring circuit for a microcomputer
DE3203277A1 Method for triggering an alarm when a change in the inclination of a motor vehicle occurs and switching arrangement for carrying out this method
DE3201763A1 Optical transmission path
DE3151082A1 Circuit arrangement for extending the range of linearity of a controllable resistance
DE3151080A1 Switching matrix device
DE3151081A1 Method for establishing a connection in a telecommunication system
DE3150439A1 Digital generator of call progress tones for telephone branch exchanges
DE3149953A1 Demodulation method
DE3148653A1 Circuit arrangement for the evaluation of the pilot in carrier frequency systems
DE3147873A1 Optical switching device
DE3147874A1 Optical coupling device
DE3147875A1 Optical switching device
DE3147265A1 Anti-theft protection for vehicles
DE3145960A1 Circuit arrangement for pilot separation
DE3145126A1 DATA TRANSFER SYSTEM FOR FULL DUPLEX TRANSFER