Patents Assigned to Edward E. Elson
  • Gas and odor absorber
    Patent number: 5593477
    Abstract: A device for removing odors and undesirable gases from ambient air comprising an absorbent material enclosed in a tubular shaped container designed to encourage flow of the ambient gases through the container and over and through the absorbent material. In particular, the container includes a plurality of rising channels within the wall of the container, each channel having an opening to the interior space in the vessel, the interior space holding the absorbent material.
    Type: Grant
    Filed: September 2, 1994
    Date of Patent: January 14, 1997
    Assignee: Edward E. Elson
    Inventor: Edward E. Elson
  • Fluid delivery system
    Patent number: 5346476
    Abstract: Disclosed is a fluid delivery system comprising a bladder to hold a fluid, the bladder being enclosed in a structure formed from a cap connected to a drive mechanism. The drive mechanism includes a piston driven by a constant force spring, the piston resting against the bladder. Activation of the drive mechanism delivers the fluid at a rate pre-determined by the design of the spring.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: September 13, 1994
    Assignee: Edward E. Elson
    Inventor: Edward E. Elson