Patents by Inventor James W. Cunningham

James W. Cunningham 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).

  • MOLDED READY-TO-TILE SHOWER BASES WITH ASSOCIATED TRENCHES AND DRAINS
    Publication number: 20130276226
    Abstract: In one embodiment a shower pan is comprised of a floor, one or more sidewalls and a recessed trough, which are all manufactured simultaneously to form a water proof module. Other features, such as one or more curbs, may be integrated into the pan during manufacture by modifying the molding tool. In another embodiment, a variety of pre-manufactured trenches to act as stand alone linear drains which can be combined with shower pan components after manufacture are disclosed.
    Type: Application
    Filed: April 23, 2012
    Publication date: October 24, 2013
    Inventors: Joseph R. Cook, Phillip Roth, Benjamin A. Neff, James W. Cunningham
  • Molded magnetic cores utilizing cut steel particles
    Patent number: 3948690
    Abstract: There is disclosed a magnetic core and the method of making the same. The core is formed of a plurality of microlaminations. Since each discrete microlamination is of elongated rectangular shape, soft, ductile and magnetically insulated, the cores exhibit improved permeability, lower core loss, lower exciting volt amps and exhibit improved high frequency characteristics.
    Type: Grant
    Filed: October 24, 1974
    Date of Patent: April 6, 1976
    Assignee: Westinghouse Electric Corporation
    Inventors: Norman M. Pavlik, James W. Cunningham