Patents by Inventor Hayat El-Khoury

Hayat El-Khoury 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).

  • Toilet sealing ring
    Patent number: 9163389
    Abstract: A toilet sealing ring for sealing the outlet of a floor mounted toilet to a mating drain pipe comprises an annular mass of a wax based composition comprising a wax component and at least 20 wt. % of a non-wax filler component.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: October 20, 2015
    Assignee: OATEY COMPANY
    Inventors: Raymond Toby Rael, Hayat El-Khoury, Amrit Parhar, Forest Hampton, III
  • STAINFREE PLUMBER'S PUTTY
    Publication number: 20120280459
    Abstract: A stainfree plumber's putty comprises at least one particulate filler and an organic binder comprising a liquid polyester and a low density wax, the putty being formulated to pass ASTM-D-2203—Staining of Oil and Resin-Base Caulking Compounds.
    Type: Application
    Filed: May 4, 2012
    Publication date: November 8, 2012
    Applicant: OATEY CO.
    Inventors: Amrit Parhar, Raymond Toby Rael, Hayat El-Khoury
  • TOILET SEALING RING
    Publication number: 20120174305
    Abstract: A toilet sealing ring for sealing the outlet of a floor mounted toilet to a mating drain pipe comprises an annular mass of a wax based composition comprising a wax component and at least 20 wt. % of a non-wax filler component.
    Type: Application
    Filed: December 20, 2011
    Publication date: July 12, 2012
    Applicant: OATEY COMPANY
    Inventors: Amrit Parhar, Forest Hampton, III, Raymond Toby Rael, Hayat El-Khoury