Patents by Inventor Edward A. Wennerstrom

Edward A. Wennerstrom 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).

  • Reactor vessel closure stud cleaning machine
    Patent number: 4165549
    Abstract: A stud cleaning machine whereby the threaded portion of very large studs can be cleaned to a semi-bright finish. The cleaning machine is designed to completely enclose the studs during the cleaning operation, so that none of the loosened oxides, residues, and caked lubricants are discharged into the surrounding atmosphere. The contaminated particles are retained in the cleaning machine and removed through an attached vacuum cleaner.
    Type: Grant
    Filed: January 10, 1978
    Date of Patent: August 28, 1979
    Assignee: Combustion Engineering, Inc.
    Inventors: Edward A. Wennerstrom, James S. Brown, Sr., William E. Milligan