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OSRAM ROBERTSON LAMP WORKS LTD

Overview
  • Total Patents
    17
About

OSRAM ROBERTSON LAMP WORKS LTD has a total of 17 patent applications. Its first patent ever was published in 1917. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets electrical machinery and energy and machines are ARCTURUS DEV COMPANY, SILICON VIDEO CORP and MASUJIMA TSUTOMU.

Patent filings in countries

World map showing OSRAM ROBERTSON LAMP WORKS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 Germany 4
#3 France 4
#4 United States 2

Patent filings per year

Chart showing OSRAM ROBERTSON LAMP WORKS LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Electrical machinery and energy
#2 Machines

Top inventors

# Name Total Patents
#1 Oswald Durdle 1
#2 Percy Driver Frederick 1

Latest patents

Publication Filing date Title
US1343551A Means for supporting electrodes in ionic tubes
GB123249A Improvements in Incandescent Electric Lamps.
US1335159A Means for supporting electrodes in ionic tubes
GB119089A Improved Means for Supporting Electrodes in Ionic Tubes for use more particularly in Wireless Telegraphy.
GB119088A Improved Means for Supporting Electrodes in Ionic Tubes for use more particularly in Wireless Telegraphy.
GB117939A Improved Means for Supporting Electrodes in Ionic Tubes for use more particularly in Wireless Telegraphy.
GB116135A Means for Supporting Electrodes in Ionic Tubes, for use more particularly in Wireless Telegraphy.
GB116133A Means for Supporting Electrodes in Ionic Tubes, for use more particularly in Wireless Telegraphy.
GB116134A Means for Supporting Electrodes in Ionic Tubes, for use more particularly in Wireless Telegraphy.