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COUPLER DEVELOPMENTS LTD

Overview
  • Total Patents
    34
About

COUPLER DEVELOPMENTS LTD has a total of 34 patent applications. Its first patent ever was published in 1997. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets civil engineering and machines are THEMIG DANIEL JON, CORRE PIERRE-YVES and BROENNTEKNOLOGIUTVIKLING AS.

Patent filings per year

Chart showing COUPLER DEVELOPMENTS LTDs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Ayling Laurence John 26
#2 Ayling Laurence J 3
#3 Ayling John Laurence 2

Latest patents

Publication Filing date Title
GB0116563D0 Improved drilling method & apparatus
GB0116415D0 Improved drilling method & apparatus
US6688394B1 Drilling methods and apparatus
GB0026598D0 Improved drilling methods and apparatus
US6591916B1 Drilling method
BR9914774A Wellhead assembly and method for drilling wells
AU4632697A Continuous circulation drilling method