Patent assignee · SE · COMPANY

GVA Consultants AB

21Patents
16Active
21Granted
46Portfolio score

Filing activity: Feb 28, 2000 → Feb 13, 2014 · 8 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7628225B2 Drilling device Fixed Constructions 27 Active
US6247421A Method for DP-conversion of an existing semi-submersible rig Performing Operations; Transporting 12 Expired
US6997132B2 Semi-submersible offshore vessel and methods for positioning operation modules on said vessel Performing Operations; Transporting 11 Expired
US8079426B2 Integrated drilling deck and bop handling Fixed Constructions 10 Active
US7011472B2 Semi-submersible offshore vessel Performing Operations; Transporting 8 Expired
US6854411B2 Semi-submersible offshore platform and methods for positioning operation modules on said platform Performing Operations; Transporting 3 Expired
US7887262B2 Attachment Performing Operations; Transporting 3 Active
US8517700B2 Submersible pump Emerging Cross-Sectional Technologies 2 Active
US8613570B2 Method and a kit for constructing a semi-submersible unit Performing Operations; Transporting 2 Active
US8156886B2 Device, system, structure, method, computer program product and control system Performing Operations; Transporting 2 Active
US7000556B2 Sealing device and method for sealing between a chain and a chain pipe Performing Operations; Transporting 1 Expired
US8544403B2 Floating unit Performing Operations; Transporting 1 Active
US8381670B2 Semi-submersible platform body for supporting drilling, storing, treatment or production of hydrocarbons at sea Performing Operations; Transporting 1 Active
US9132892B2 Floating vessel with tunnel Mechanical Engineering; Lighting; Heating 1 Active
US8317428B2 Drain pipe Fixed Constructions 1 Active
US8491273B2 Ballast system Emerging Cross-Sectional Technologies 1 Active
US9150290B2 Ballast system Performing Operations; Transporting 1 Active
US9656730B2 Closed inclination change system Performing Operations; Transporting 0 Active
US10081412B2 Floating vessel with tank trough deck Mechanical Engineering; Lighting; Heating 0 Active
US8739722B2 Tank arrangement adapted for a submersible pump Performing Operations; Transporting 0 Active
US8398338B2 Method for installing a topside module on an offshore support structure Fixed Constructions 0 Active

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