Patents by Inventor Randel E. Richardson

Randel E. Richardson 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).

  • Oil well fire extinguisher with internal pipe crimper
    Patent number: 5113948
    Abstract: A fire extinguisher extinguishes a fire burning relative to a support surface. The fire emanates from an opened end of a pipe. The fire extingisher includes a body having a downward opening cavity for being dropped over the fire to enclose the fire within the cavity; the body has a continuous wall forming a mouth of the cavity; a seal for forming a substantially airtight seal between the continuous wall of the body and the support surface; and a crimp mechanism for crimping the opened end of the pipe after the body is dropped over the fire.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: May 19, 1992
    Inventor: Randel E. Richardson