Patents by Inventor James F. Thiem

James F. Thiem 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: 4240174
    Abstract: A mobile cleaning apparatus for swimming pools having a self-contained pump, filter and driving motor mounted on a hand wheeled truck and housed in a waterproof enclosure which is easily opened for filter cleaning and motor and pump repairs, if necessary, to assure a long service life of the apparatus.
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: December 23, 1980
    Inventors: James F. Thiem, Jeffrey L. Scott