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PETROLEUM TECHNOLOGY CO AS

Overview
  • Total Patents
    223
  • GoodIP Patent Rank
    16,147
  • Filing trend
    ⇧ 35.0%
About

PETROLEUM TECHNOLOGY CO AS has a total of 223 patent applications. It increased the IP activity by 35.0%. Its first patent ever was published in 2006. It filed its patents most often in Norway, Brazil and Canada. Its main competitors in its focus markets civil engineering, mechanical elements and machines are ENOVATE SYSTEMS LTD, KVAERNER OILFIELD PRODUCTS INC and KLEPPA ERLING.

Patent filings per year

Chart showing PETROLEUM TECHNOLOGY CO ASs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kleppa Erling 148
#2 Tveiten Magnar 73
#3 Sevheim Ole 67
#4 Harestad Kristian 41
#5 Stokka Oeyvind 36
#6 Stokka Oyvind 24
#7 Erling Kleppa 22
#8 Stokka Øyvind 17
#9 Pettersen Staale 15
#10 Kvasnes Trond 15

Latest patents

Publication Filing date Title
NO20190833A1 A valve arrangement
NO345243B1 A valve arrangement
NO20190703A1 A valve arrangement, a side pocket mandrel and a method for operating a valve arrangement
NO20171613A1 Downhole device with signal transmitter
NO20171051A1 Valve system for use in a wellbore and method of operating a hydrocarbon well
NO20170516A1 Well component with deflector surface
NO342874B1 Wellhead Assembly and method
NO20161936A1 Valve device for a wellhead and methods for arranging, removing or replacing a valve in a wellhead
NO20160961A1 Plug and production tubing for a petroleum well
EP3230556A1 A bellows valve and an injection valve
EP3215707A1 Method of manufacturing a side pocket mandrel body
AU2015295629A1 Gas lift valve
WO2015162241A1 Wellhead port plug assembly
NO20130179A1 Valve setup and method for operating the same
WO2013034470A2 Adjustment device, side pocket mandrel and method related thereto
EP2710220A2 Shear valve
NO20111436A1 Plug sensor for temperature and pressure monitoring in an oil / gas well
SG186382A1 Valve assembly
EP2561180A2 Device and method of enchancing production of hydrocarbons
WO2011129704A2 Variable orifice device