Patents by Inventor John N. Heim

John N. Heim 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: 4255817
    Abstract: A heat insulative protector or the like, comprising at least a layer of a synthetic fabric of an organic fiber of copolyamide, wherein the fibers are woven or formed into a fabric. Articles such as hot pads, protective coverings, aprons, garments, or the like, are fabricated of, in addition to a closely interwoven fabric layer, another superpositioned layer of like fibers punched into a low density, high bulk flannel with a synthetic rubber, fire resistant coating. Such combination provides, for example, an apron for commercial and/or industrial use with a high protective quality to the wearer thereof.
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: March 17, 1981
    Inventor: John N. Heim