Patents by Inventor Harry Hovila

Harry Hovila 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: 3969051
    Abstract: The vulcanizing apparatus of the present invention can be used for vulcanizing spliced sections of rubber belting, sheeting or the like. The apparatus includes an upper platen assembly and a lower platen assembly. The upper platen assembly includes an upper frame member and a sheet-like platen member having a relatively rigid platen surface. The platen member is affixed to an upper frame member. A heat exchanger, a heating pad and a layer of insulation are sandwiched between the sheet-like platen member and the upper frame member. The lower platen assembly includes a lower frame member and a sheet-like platen member having a relatively rigid platen surface, below which are interposed in sandwiched relationship a heat exchanger, a heating pad, and a layer of insulation. The layer of insulation rests upon a flexible diaphragm that has a flexible surface substantially co-extensive with the lower platen surface.
    Type: Grant
    Filed: June 13, 1975
    Date of Patent: July 13, 1976
    Assignee: D.G. Rung Industries, Inc.
    Inventor: Harry Hovila
  • Patent number: 3948538
    Abstract: The self equalizing ball caster lift mat of the present invention includes a load support sub-assembly and a caster sub-assembly interconnected by a pressure member. The load support sub-assembly is a flat plate adapted for insertion under a load and for bearing the weight of a load. The caster sub-assembly comprises an alignment plate having a plurality of transverse bores therethrough arranged in an array. A ball caster is mounted for reciprocating movement in each of the bores.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: April 6, 1976
    Inventor: Harry Hovila