Patents by Inventor Douglas D. Phillips

Douglas D. Phillips 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).

  • Climbing harness having adjustable leg loops and rise
    Patent number: 5615750
    Abstract: A climbing harness includes a waistband and a pair of leg loops. The leg loops have an adjustable girth for fitting about the user's thigh. The leg loops are joined to the waist band. An adjustment mechanism is provided which allows the user to adjust the rise of the leg loops relative to the waist band and also to adjust the girth of the leg loop.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: April 1, 1997
    Inventor: Douglas D. Phillips
  • Change-configuration climbing chock
    Patent number: 4572464
    Abstract: An artificial chock stone for use by rock climbers to provide a protection point. The chock comprises a pair of slidably engaged wedges which are adjustable between a large dimension and a small dimension upon relative sliding of the wedges, which are biased to a large dimension. The device may be inserted and provide a secure protection point in a narrow, smooth-walled, paralleled-sided crevice and is constructed to provide a point of attachment to which a safety line may be secured.
    Type: Grant
    Filed: October 17, 1983
    Date of Patent: February 25, 1986
    Inventor: Douglas D. Phillips