Learn more

JONSSON RAGNAR

Overview
  • Total Patents
    21
About

JONSSON RAGNAR has a total of 21 patent applications. Its first patent ever was published in 1980. It filed its patents most often in Australia, EPO (European Patent Office) and Sweden. Its main competitors in its focus markets electrical machinery and energy are SCHNEIDER TOSHIBA INVERTER EUROPE SAS, SHENZHEN VEICHI ELECTRIC CO LTD and POWER EFFICIENCY CORP.

Patent filings in countries

World map showing JONSSON RAGNARs patent filings in countries

Patent filings per year

Chart showing JONSSON RAGNARs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Jonsson Ragnar 16
#2 Jonsson R 2
#3 Ragnar Jonsson 1
#4 Hemark Henrik 1

Latest patents

Publication Filing date Title
US2012181997A1 Method and system for hysteresis control of a power circuit
US2011018521A1 Method and device for increasing control accuracy in a PWM system
AU7241091A Method and apparatus for controlling an ac induction motor by indirect measurement of the air-gap voltage
EP0349568A1 Improved control method of an ac induction motor and device therefor
EP0334886A1 Switch circuit.
AU6702781A Method and apparatus for controlling an ac induction motor
EP0049241A1 Method and apparatus for controlling an ac induction motor.
IT8050110D0 Control system for AC induction motor
BE886076A Method and apparatus for controlling an ac induction motor
AU6399880A **