Disinfection Patents (Class 4/222)
  • Patent number: 4135261
    Abstract: A block of water soluble deodorant in a holder held substantially above the level of a body of water in a urinal or the like by a buoyant member supporting the holder and block.
    Type: Grant
    Filed: November 17, 1977
    Date of Patent: January 23, 1979
    Assignee: The State Chemical Manufacturing Company
    Inventor: Harold Uhrman
  • Patent number: 4117560
    Abstract: An apparatus for treating fluids especially fluids in a recirculating toilet system wherein recycled flush water is chemically treated with a sanitizing material just prior to delivery to the toilet bowl. This system is designed so that the recycled flush water must flow by a predetermined volume of soluble sanitizing tablets which resuts in a rather uniform residual of sanitizing agent in the flush water which insures complete coliform kills. The sanitizing tablets consist of buffered hypochlorite materials to which may be added a suitable coloring agent so as to make the flush water more aesthetically pleasing.
    Type: Grant
    Filed: June 8, 1977
    Date of Patent: October 3, 1978
    Assignee: Diamond Shamrock Corporation
    Inventors: William E. Kidon, Neil W. Stillman
  • Patent number: 4103367
    Abstract: This invention is directed to a dispensing container for solid deodorant and/or disinfectant media, for use in urinals having a flush water system. The chemical dispensing container comprises a generally flat plate or screen having a perforate central portion and a perforate peripheral portion. An imperforate cover overlies the perforate central portion and contains therewithin the solid deodorant and/or disinfectant media. Cooperating fastening means are provided on said imperforate cover and said underlying plate to enable the cover to be releasably engaged to said plate.
    Type: Grant
    Filed: March 30, 1977
    Date of Patent: August 1, 1978
    Inventor: Leo Kaufer
  • Patent number: 4056228
    Abstract: The present invention provides an aroma system including a spray deodorant apparatus for use with toilets and the like. The spray deodorant apparatus is simply attached to a toilet and releases a deodorant liquid spray or mist when an aroma flush handle is actuated. The spray deodorant apparatus is positioned on the toilet housing, allowing the aroma flush handle to be positioned under a toilet handle, thereby enabling the deodorant liquid spray or mist to be released as the toilet is flushed.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: November 1, 1977
    Inventors: Evelyn S. Rosenkrantz, Edward Rosenkrantz
  • Patent number: 4046508
    Abstract: A sanitary door handle for the inside of a public toilet door which includes a generally circular handle element having means for rotating the handle to a new position with the handle being moved through a sterilizing bath as it rotates. Means are provided for effecting rotation of the handle on each opening of the door.
    Type: Grant
    Filed: June 16, 1976
    Date of Patent: September 6, 1977
    Inventor: William M. McDonald
  • Patent number: 4010497
    Abstract: A coated paper product which is shaped so as to conform with the shape of the exposed surface area of the water in a commode, which paper is biodegradable and contains coated or impregnated thereon a biocidal and/or germicidal material, and which paper effectively eliminates the splash of the commode water upon the deposition of fecal matter on the surface thereof.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: March 8, 1977
    Inventors: Philip Menter, Herbert Bauer