Patents by Inventor William C. Files

William C. Files 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: 4640024
    Abstract: There is disclosed a tumble dryer wherein the space between a housing and a drum mounted within the housing for rotation about a generally horizontal axis is separated intermediate the ends of the drum into one portion on one side and another portion on the other side of the portion, and heated air is circulated from an inlet to the one space portion into the drum and out the drum into an outlet from the other space portion. There are also disclosed alternate embodiments of means for separating the space including a plastic ring having an inner diameter closely surrounding the drum and an outer portion carried by a wall of the housing and received within an annular recess of the wall.
    Type: Grant
    Filed: October 1, 1984
    Date of Patent: February 3, 1987
    Assignee: Pellerin Milnor Corporation
    Inventors: William C. Files, Norvin L. Pellerin, Somsak S. Rodboon, Thomas M. Pearce
  • Patent number: 4452056
    Abstract: There is disclosed apparatus for extracting liquid from cloth goods, such as laundry from a washing machine, wherein a dome having a diaphragm across its lower end is mounted above a press plate which is reciprocable beneath the dome between an upper position adjacent the diaphragm, whereby the diaphragm may be inflated by fluid pressure supplied to the dome in order to press a batch of goods received on the press plate, and a lower position to permit the pressed goods or cake to be moved laterally off the press plate and another batch to be received thereon at the start of a subsequent press cycle, and a basket is mounted for shifting vertically between an upper position to form with the press plate a container for the goods which are received thereon, and a lower position beneath the top side of the press plate as the press plate is raised to its upper position as well as upon lowering of the press plate to permit removal of the cake.
    Type: Grant
    Filed: April 27, 1983
    Date of Patent: June 5, 1984
    Assignee: Pellerin Milnor Corporation
    Inventor: William C. Files