Patents by Inventor Howard N. Phelps, Jr.

Howard N. Phelps, Jr. 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: 4062422
    Abstract: Radiated noises from sonar dome structures are reduced by the use of an erior damping material applied over the dome skin. The damping material is bonded to the outside of a steel sonar dome that is subjected to a seawater environment. An antifouling rubber sheet is bonded over the damping material. The system is particularly applicable to an existing internal punchplate type of sonar dome that does not allow the installation of damping materials on the internal window area of the dome.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: December 13, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Howard N. Phelps, Jr., Dennis O. Power