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PRUFREX ELEKTRO APP

Overview
  • Total Patents
    45
About

PRUFREX ELEKTRO APP has a total of 45 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Germany, EPO (European Patent Office) and Sweden. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and electrical machinery and energy are CARON CHARLES, SOLO INDUSTRIES PTY LTD and NAPIER MONTAGUE STANLEY.

Patent filings in countries

World map showing PRUFREX ELEKTRO APPs patent filings in countries

Patent filings per year

Chart showing PRUFREX ELEKTRO APPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Erhard Werner 14
#2 Erhard Werner Dipl Ing 10
#3 Joerg Manfred 4
#4 Schuh Josef 3
#5 Mueller Michael 3
#6 Reinhard Peter 2
#7 Hermann H 2
#8 Hermann Horst 2
#9 Jorg M 2
#10 Kratzsch Werner Ing Grad 2

Latest patents

Publication Filing date Title
US5138995A Ignition process, arrangement and apparatus for internal combustion engines with a magneto
EP0411292A2 Ignition system with magnetogenerator for combustion engines
DE4017478A1 Ignition system for internal combustion engines
EP0394656A2 Capacitor ignition device
DE3925224A1 Ignition method for IC engine esp. in lawn-mower or chain saw
DE3924843A1 METHOD AND ARRANGEMENT WITH INDUCTIVE ENCODER FOR CONTROLLING, IN PARTICULAR, THE IGNITION TIMING POINT OF INTERNAL COMBUSTION ENGINES
DE3924353A1 CONTROL SYSTEM FOR THE CARBURETOR OF AN INTERNAL COMBUSTION ENGINE
DE3817187A1 CAPACITOR IGNITION SYSTEM
DE3701753A1 CAPACITOR IGNITION SYSTEM, ESPECIALLY FOR SMALL GASOLINE ENGINES, WITH LATE ADJUSTMENT
DE3642889A1 Self-oscillating spark lighter with a safety device
DE3614950A1 Ignition spark transmitter
DE3610934A1 Capacitor-discharge ignition system, especially for small petrol engines
DE3608740A1 CAPACITOR IGNITION SYSTEM
DE3437939A1 Speed-limiting circuit for ignition systems of internal-combustion engines, having an ignition armature which is energised via a pole wheel
DE3424388A1 Ignition device, without circuit breaker, for internal combustion engines
DE3152015A1 ELECTRONIC IGNITION DEVICE FOR INTERNAL COMBUSTION ENGINES
DE2906924A1 Circuit measuring voltage drop across switch - caused by current in prim. winding of ignition coil of IC engine
DE2906473A1 SPARK TRANSMITTERS, IN PARTICULAR IGNITION SPARK TRANSMITTERS WITH A LARGE OPERATING VOLTAGE RANGE
DE2630261A1 IGNITION DEVICE WITH SPEED LIMITATION FOR COMBUSTION MACHINES
IT1058539B Multicylinder IC engine ignition system - has several ignition coils with common interruptor for all coil primaries