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BJOERNSTAD THOR

Overview
  • Total Patents
    16
About

BJOERNSTAD THOR has a total of 16 patent applications. Its first patent ever was published in 1992. It filed its patents most often in Norway, WIPO (World Intellectual Property Organization) and United Kingdom. Its main competitors in its focus markets civil engineering and chemical engineering are ASTLEFORD JOHN, M-I DRILLING FLUIDS U K LTD and NATIONAL OILWELL VARCO L P.

Patent filings in countries

World map showing BJOERNSTAD THORs patent filings in countries
# Country Total Patents
#1 Norway 9
#2 WIPO (World Intellectual Property Organization) 5
#3 United Kingdom 2

Patent filings per year

Chart showing BJOERNSTAD THORs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Civil engineering
#2 Chemical engineering

Focus technologies

# Technology
#1 Earth drilling
#2 Separating solids

Top inventors

# Name Total Patents
#1 Bjoernstad Thor 16

Latest patents

Publication Filing date Title
GB0318712D0 A method and a device for extending the lifetime of a screen-cloth
WO0100961A1 An underreamer and a method of using the underreamer
WO0069573A1 Screening fabric and method of producing same
GB0013992D0 A method and apparatus for detecting and localising foul matter along bore-defining walls of a drill string
WO9832946A1 A release equipment for a drill string