Patents by Inventor Ricardo R. Gamboa

Ricardo R. Gamboa 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).

  • Glass fiber airduct with coated interior surface containing a biocide
    Patent number: 5487412
    Abstract: A rigid, glass fiber airduct for conveying an airstream has an interior surface, adapted to be in contact with the airstream, which is coated with a polymeric coating comprising an organic or inorganic biocide. The polymeric coating has a dry solids content between 10 and 20 grams per square foot of duct board surface and retains its abrasion strength and puncture resistance whereby the interior surface of the airduct can be cleaned by conventional industrial or commercial cleaning procedures while in service without exposing glass fibers to the airstream.
    Type: Grant
    Filed: November 9, 1994
    Date of Patent: January 30, 1996
    Assignee: Schuller International, Inc.
    Inventors: Kent R. Matthews, Eric G. Schakel, Ricardo R. Gamboa
  • Fiber glass air duct with coated interior surface containing an organic biocide
    Patent number: 5379806
    Abstract: A rigid fiber glass air duct for conveying an airstream has an interior surface, adapted to be in contact with the airstream, which is coated with a polymeric coating with an organic biocide. The polymeric coating has a dry solids content of between 10 and 20 grams per square foot of duct board surface and retains its abrasion strength and puncture resistance whereby the interior surface of the duct can be cleaned by conventional industrial or commercial cleaning methods while in service without exposing glass fibers to the airstream.
    Type: Grant
    Filed: May 26, 1993
    Date of Patent: January 10, 1995
    Assignee: Schuller International, Inc.
    Inventors: Kent R. Matthews, Eric G. Schakel, Ricardo R. Gamboa