Patents by Inventor D. Ray Stinson

D. Ray Stinson 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: 5388292
    Abstract: A healthcare mattress useful in avoiding pressure ulcers while providing long-term patient comfort, is comprised of a foam support with a bottom and sides that define a cavity adapted to accomodate a plurality of bladders with first and second bladders placed upon the support with the first bladder positioned above the second bladder, each bladder formed of plural, generally parallel plastic sheets forming a plurality of elongated chambers extending in a generally parallel direction across each bladder with adjacent chambers in fluid communication, with an elongated foam member disposed in each of the elongated chambers of at least the second bladder and means for maintaining a fluid pressure within each of the elongated chambers of the first and second bladders, wherein the first and second bladders are disposed with the parallel direction of the elongated chambers of the first bladder substantially normal to the parallel direction of the elongated chambers of the second bladder.
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: February 14, 1995
    Assignees: D. Ray Stinson, Linda Stinson
    Inventors: D. Ray Stinson, Peter A. Keay
  • Patent number: 5182825
    Abstract: A waterbed having a plurality of individually water-filled bladders adjacent each other on a transfer board or other flat surface. Each bladder has a flap that attaches to the bottom surface of the adjacent bladder. The transfer board may have handles so that the waterbed may be transported. In another embodiment, foam may be placed around the bladders to give the waterbed stability. Further, the foam and bladder may be enclosed with a cover having an air-tight zippered opening. A pocket attaches to the cover that mates with the transfer board to provide stability when the waterbed is moved. A liquid-filled footrest may also be provided.
    Type: Grant
    Filed: February 20, 1991
    Date of Patent: February 2, 1993
    Assignees: D. Ray Stinson, Linda D. Stinson
    Inventors: D. Ray Stinson, Linda D. Stinson, Brian F. Roberts, Steven J. Dahms, Brian P. Estes, Tommy H. Robertson