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SIEM WIS AS

Overview
  • Total Patents
    47
About

SIEM WIS AS has a total of 47 patent applications. Its first patent ever was published in 2005. It filed its patents most often in EPO (European Patent Office), Australia and Brazil. Its main competitors in its focus markets civil engineering, mechanical elements and chemical engineering are KEAST LARRY G, BASTION TECHNOLOGIES INC and WUXI DRILLTO TRENCHLESS CO LTD.

Patent filings per year

Chart showing SIEM WIS ASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Askeland Tom Kjetil 40
#2 Edvardsen Per Espen 38
#3 Askeland Tom Ketil 5
#4 Espen Edvardsen Per 1
#5 Tom Ketil Askeland 1
#6 Kjetil Askeland Tom 1
#7 Per Espen Edvardsen 1

Latest patents

Publication Filing date Title
WO2013055225A1 System for active sealing of a drill string
AU2011265829A1 Grinding arrangement for tool joints on a drill string
EA017043B1 Sealing arrangement, and corresponding method
MX2009013834A Device and method for maintaining constant pressure on, and flow drill fluid, in a drill string.
AU2008244727A1 Seal for a drill string
AU2006267188A1 System and method for dynamic sealing around a drill stem
AU2006288011A1 Pressure accumulator to establish sufficient power to handle and operate external equipment, and use thereof
EP1853791A1 System and method for well intervention