Patents by Inventor Stephen R. Powell

Stephen R. Powell 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: 5263468
    Abstract: A heat intensifier for directing radiant heat from a campfire toward a camper situated on the ground adjacent the campfire to enhance the warmth provided by the campfire to the camper includes a collapsible screen having a heat-reflective surface and a frame for attachment to the screen to deploy the screen in a concave-convex configuration in which the heat-reflective surface is located in a position relative to the camper and the campfire to reflect radiated heat from the campfire toward the camper, and anchoring devices for anchoring the attached screen and frame to the ground in that position.
    Type: Grant
    Filed: June 19, 1992
    Date of Patent: November 23, 1993
    Inventor: Stephen R. Powell
  • Patent number: D417535
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: December 7, 1999
    Inventors: James W. Wright, Stephen R. Powell