Patents by Inventor Richard P. Mayes

Richard P. Mayes 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).

  • Compact, lightweight breathable air pressure vessel
    Patent number: 5613490
    Abstract: A portable pressure tank for storing breathable air. An elongate tank body is made from a metal alloy capable of much higher air cycles even when subjected to pressure densities in the range of 40,650 lb/in.sup.3 on a regular basis. The tank body can be less than ten inches long and weighs less than five pounds when filled to about 64 ft.sup.3 of air at 5,000 psi.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: March 25, 1997
    Inventors: Richard P. Mayes, Richard Y. Royer, Ward D. Hubbard