Patents by Inventor Vassilis Nicholas Gikas

Vassilis Nicholas Gikas has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5761153
    Abstract: A method of computing the location of air guns and hydrophones within a seismic spread utilizes a navigation network having a plurality of stations. The network provides a plurality of navigation observations. A number of the observations consist of magnetic bearings which are used to derive the hydrophone locations. The method includes the steps of:a. obtaining a set of observations from the network, each observation being obtained by using navigation devices whose origin system moves independent of the navigation reference point; andb.
    Type: Grant
    Filed: June 27, 1996
    Date of Patent: June 2, 1998
    Assignee: Input/Output, Inc.
    Inventors: Vassilis Nicholas Gikas, Paul Anthony Cross, Asiama Akuamoa