Patents by Inventor Douglas B. FORKAPA

Douglas B. FORKAPA 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).

  • Solid marine seismic cable with an array of hydrophones
    Patent number: 9217800
    Abstract: In a first embodiment of the present invention, a hydrophone is provided comprising: a rigid tubular substrate; an annular cavity formed around the rigid tubular substrate by affixing a tubular diaphragm around the rigid tubular substrate; a flexible piezoelectric element wrapped around and bonded to the flexible tubular diaphragm; and a molded portion covering the piezoelectric element.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: December 22, 2015
    Assignee: Geometrics, INC.
    Inventors: Bruce A. Johnson, Stephen V. Cope, Arturo Curiel, Douglas B. Forkapa, Donald A. Kyrnitszke
  • SOLID MARINE SEISMIC CABLE WITH AN ARRAY OF HYDROPHONES
    Publication number: 20130208571
    Abstract: In a first embodiment of the present invention, a hydrophone is provided comprising: a rigid tubular substrate; an annular cavity formed around the rigid tubular substrate by affixing a tubular diaphragm around the rigid tubular substrate; a flexible piezoelectric element wrapped around and bonded to the flexible tubular diaphragm; and a molded portion covering the piezoelectric element.
    Type: Application
    Filed: March 2, 2012
    Publication date: August 15, 2013
    Applicant: GEOMETRICS, INC.
    Inventors: Bruce A. JOHNSON, Stephen V. COPE, Arturo CURIEL, JR., Douglas B. FORKAPA, Donald A. KYRNITSZKE