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NORTHLAND ENERGY CORP

Overview
  • Total Patents
    14
About

NORTHLAND ENERGY CORP has a total of 14 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Canada, United States and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets civil engineering, chemical engineering and machines are OOO RN UFANIPINEFT, KATI AB KALAJOKI OY and SUGIMOTO AKITOSHI.

Patent filings in countries

World map showing NORTHLAND ENERGY CORPs patent filings in countries

Patent filings per year

Chart showing NORTHLAND ENERGY CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Speed David 8
#2 Hoyer Carel W J 6
#3 Morgan Theodore Allen 5
#4 Graham Robert A 3
#5 Steiner Adrian 3
#6 Jan Hoyer Carel Willem 2
#7 Stefureak Peter 2
#8 Kinder Joseph 2
#9 Schmigel Kevin 2
#10 Krill Ross Michael 1

Latest patents

Publication Filing date Title
CA2396682A1 Method and apparatus for separating and measuring solids from multi-phase well fluids
CA2344627A1 Method of dynamically controlling bottom hole circulating pressure in a wellbore
US6554016B2 Rotating blowout preventer with independent cooling circuits and thrust bearing
AU1682801A A method and apparatus for treating pressurized drilling fluid returns from a well
US6413297B1 Method and apparatus for treating pressurized drilling fluid returns from a well
US6315813B1 Method of treating pressurized drilling fluid returns from a well
NL1008892C2 A method of treating a pressurized drilling fluid returning from a well, and a cleaning apparatus therefor.