Patents by Inventor Kent Reaney Greer

Kent Reaney Greer 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).

  • Method for forming double-walled units
    Patent number: 3971687
    Abstract: A method of forming a double-walled unit from thermoplastic materials, preferably polymethyl methacrylate, in which two sheets, one of which is provided with an aperture to allow the passage of air between the sheets, are stretched apart under thermoforming conditions by imposed pressure differences, the desired spatial relationship between the sheets being obtained by adjustment of the pressure differences, and in which the sheets are simultaneously bonded about their perimeters.
    Type: Grant
    Filed: August 28, 1974
    Date of Patent: July 27, 1976
    Assignee: Imperial Chemical Industries Limited
    Inventors: Kent Reaney Greer, William Rodney Hampson, Benjamin James Smith