Patents by Inventor Patrick John Davies

Patrick John Davies 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).

  • Apparatus and method for assessment of mattresses
    Patent number: 6786083
    Abstract: Apparatus is described for objectively testing the condition of a support surface such as mattress. The apparatus comprises a frame (8, 21, 22) for extending over the support surface, an indenter (5) mounted on said frame and a load sensor (4) disposed between the indenter and the frame, manually operated means (6) for pressing the indenter into the support surface, displacement measuring means for measuring the movement of the indenter into the support surface and data processing means (7) for analyzing the force applied to the indenter in relation to the displacement of the indenter into the support surface.
    Type: Grant
    Filed: December 3, 2001
    Date of Patent: September 7, 2004
    Inventors: Duncan Shirreffs Bain, Martin Ferguson-Pell, Patrick John Davies