Patent assignee · NO · COMPANY

Roxar Flow Measurement AS

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41Patents
36Active
41Granted
54Portfolio score

Filing activity: Oct 1, 2002 → Jun 11, 2021 · 14 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7293471B2 Flow meter for measuring fluid mixtures Physics 39 Expired
US6915707B2 Compact flow meter Physics 31 Expired
USD924910S1 Computer screen with graphical user interface General 27 Active
US7770469B2 Differential pressure measurement device having a microwave resonator with a flexible member Physics 13 Active
US7181980B2 Subsea multiphase flow meter detector retrievable electronics Physics 11 Expired
US8816705B2 Method and device for monitoring a zone of metal Physics 10 Active
US8570050B2 Flow measurements Physics 10 Active
US7481118B2 Flow measurement apparatus Physics 10 Expired
US7578203B2 System for sand detection at constrictions or flow obstacles in a pipe or similar Physics 9 Expired
US8127621B2 Locking mechanism with acoustic barrier for mounting a sensor on a pipe Physics 9 Active
US7704016B2 Subsea docking system for electronic modules in subsea installations Fixed Constructions 8 Active
US8525534B2 Salinity independent multiphase measurements Physics 5 Active
US9151430B2 Valve for subsea hydrate inhibitor injection Mechanical Engineering; Lighting; Heating 4 Active
US8330615B2 Power supply system for downhole network Electricity 4 Active
US8483530B2 Housing for wet-mateable connector and penetrator assembly Physics 4 Active
US9217327B2 Transmission system for communication between downhole elements Electricity 3 Active
US7978815B2 Compact gammameter Physics 3 Active
US10359372B2 Conductivity measurements Physics 2 Active
US9404617B2 Clamp Mechanical Engineering; Lighting; Heating 2 Active
US10337260B2 Cable protecting device Fixed Constructions 2 Active
US9588071B2 Multiphase meter Physics 2 Active
US9759646B2 Scale monitoring and inhibitor quantification technique in multiphase meters Physics 2 Active
US9976411B2 Position indicator for determining the relative position and/or movement of downhole tool components, and method thereof Fixed Constructions 2 Active
US10060869B2 System for measuring characteristics of a fluid flow Physics 1 Active
US10852224B2 Method of measuring metal loss from equipment in process systems Physics 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.