Patents by Inventor Michael E. Scribner

Michael E. Scribner 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).

  • Use of ultrasonic energy to decrease the gel strength of waxy crude oil
    Patent number: 4982756
    Abstract: Ultrasonic energy is applied to a combination of waxy crude oil and a solution of polymeric wax crystal modifier to effect dissolution of the modifier in the crude oil, thereby reducing the gel strength of the crude oil. The ultrasonic energy may be applied to the waxy crude oil to lower the gel strength of the wax crystals prior to addition of the solution of wax crystal modifier.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: January 8, 1991
    Assignee: Conoco Inc.
    Inventor: Michael E. Scribner
  • Use of ultrasonic energy in the transfer of waxy crude oil
    Patent number: 4945937
    Abstract: Ultrasonic energy is applied to a combination of waxy crude oil and solid polymeric wax crystal modifier to effect dissolution of the modifier in the crude oil, thereby reducing the gel strength of the crude oil.
    Type: Grant
    Filed: October 6, 1989
    Date of Patent: August 7, 1990
    Assignee: Conoco Inc.
    Inventor: Michael E. Scribner
  • Marine navigation device
    Patent number: D565977
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: April 8, 2008
    Assignee: Garmin Ltd.
    Inventors: James P. Ross, Katsuyoshi L. Sato, Brian G. Schoenfish, Michael E. Scribner