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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | Canada | 5 | |
#3 | EPO (European Patent Office) | 5 | |
#4 | Australia | 4 | |
#5 | United Kingdom | 4 | |
#6 | Brazil | 2 | |
#7 | Mexico | 2 | |
#8 | WIPO (World Intellectual Property Organization) | 2 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Ayling Laurence John | 26 |
#2 | Ayling Laurence J | 3 |
#3 | Ayling John Laurence | 2 |
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 |