Patents by Inventor Arthur D. Wells

Arthur D. Wells 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).

  • Marine vessel noise attenuating structure
    Patent number: 4212259
    Abstract: The exhaust or the inlet duct of a marine gas turbine engine power plant installation comprises a porous duct, a plurality of circumferentially arranged non-porous channel members attached to and axially spaced along the porous duct, the channel members and the porous duct together defining a plurality of annular noise attenuating cells, and at least one layer of heat insulating material surrounding the channel members, the insulating material being contained with a cover and attached to the porous duct.
    Type: Grant
    Filed: December 15, 1978
    Date of Patent: July 15, 1980
    Assignee: Rolls-Royce Limited
    Inventors: Victor A. Webb, Arthur D. Wells, Geoffrey C. Clarke, Charles P. R. Peecock