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PERMARK SERVICE LTD

Overview
  • Total Patents
    11
About

PERMARK SERVICE LTD has a total of 11 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United Kingdom, Belgium and Canada. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and machines are HOWE EUGENE, ALAMO CORP and ROCKBESTOS SURPRENANT CABLE CORP.

Patent filings in countries

World map showing PERMARK SERVICE LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 6
#2 Belgium 1
#3 Canada 1
#4 Germany 1
#5 France 1
#6 United States 1

Patent filings per year

Chart showing PERMARK SERVICE LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hester Patrick Murray 8
#2 Couchman Charles Frederick 2
#3 Couchman Charles F 1
#4 Murray Hester Patrick 1
#5 Hester Patrick M 1
#6 Frederick Charles 1
#7 Hulejczuk Roman Antoni 1
#8 Coudman Charles Frederich 1

Latest patents

Publication Filing date Title
US3177566A Apparatus for application of identification sleeves to electric conductors
GB1000429A Improved dispensing device for identification and other sleeves
GB1056280A Cutting tools
GB984042A Application of identification sleeves to electric components
GB959606A Hand tools for applying sleeves to electric conductors
FR1272886A Method and device for placing identification sleeves on electrical conductors
GB945364A Improvements in the application of identification sleeves to electric conductors
GB945363A Application of identification sleeves to electric conductors
CA727856A Identification sleeves and the application thereof to electric conductors