Patents by Inventor Hubert C. Weisensel

Hubert C. Weisensel 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).

  • Defoaming powdered carpet cleaning composition for use in extraction cleaning
    Patent number: 4336165
    Abstract: A powdered composition for simultaneously cleaning a carpet and defoaming any high-foaming residue removed from the carpet using the water extraction cleaning method which comprises contacting the carpet with said powdered composition mixed with water, vacuuming the carpet, wherein said composition includes sufficient cationic surfactant to interact with any high-foaming anionic detergent removed from the carpet.
    Type: Grant
    Filed: October 23, 1980
    Date of Patent: June 22, 1982
    Assignee: S. C. Johnson & Son, Inc.
    Inventor: Hubert C. Weisensel
  • Carpet cleaning method
    Patent number: 4304610
    Abstract: A carpet which contains residues of high foaming anionic surfactants is cleaned, and foam formation simultaneously inhibited, by contacting the carpet with an aqueous cleaning composition containing a cationic surfactant and then vacuuming the composition from the carpet; the cationic surfactant being one which is incompatible with the high foaming anionic surfactants.
    Type: Grant
    Filed: June 22, 1979
    Date of Patent: December 8, 1981
    Assignee: S. C. Johnson & Son, Inc.
    Inventor: Hubert C. Weisensel