Patents by Inventor John S. Holman

John S. Holman 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).

  • Disinfectant and odorizing system for an evaporation cooler
    Patent number: 6342240
    Abstract: A disinfectant and odorizing system for an evaporation cooler for disinfecting and odorizing water within a reservoir of an evaporation cooler. The disinfectant and odorizing system for an evaporation cooler includes a mixture. The mixture comprises a disinfectant and an aromatic oil. A water soluble tablet is hollow and is filled with the mixture.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: January 29, 2002
    Inventor: John S. Holman