Miscellaneous Liquid Sterilization Means Patents (Class 422/905)
  • Fluid purification
    Patent number: 4892712
    Abstract: A purifier for water or air removes, reduces or detoxifies organic pollutants therefrom by causing the fluid to contact a matrix having surfaces with which a fixed anatase (TiO.sub.2) or other photoreactive metal semiconductor material is bonded, in the presence of light of a wavelength that will activate the material.
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: January 9, 1990
    Assignee: Nutech Energy Systems Inc.
    Inventors: Michael K. Robertson, Robert B. Henderson
  • Pool chemical tablet and container
    Patent number: 4546503
    Abstract: A swimming pool chemical tablet and storage container is provided for use in a skimmer of a forced circulation flow system, the swimming pool chemical tablet having a radial sidewall contact surface which contacts the frusto-conoidally shaped sidewall of the container at a location at least equal to one-half the predetermined height of the tablet to form a tablet-sidewall flow space above the sidewall contact surface to control the rate of dissolution of the tablet when water is circulated in the forced circulation flow system.
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: October 15, 1985
    Assignee: Olin Corporation
    Inventor: John M. Casberg