Patents by Inventor David M. Krawiec

David M. Krawiec 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).

  • Patent number: 8893917
    Abstract: An overflow pan for a water heater utilizing recycled material for cost and material efficiency. The overflow pan includes a bottom, a sidewall with an outlet for water drainage therefrom as is standard, a U-shaped lip and a plurality of ribs spaced therearound. The pan bottom includes an exterior surface having a series of regular hexagon shapes, each comprising a concave web for material reduction while retaining integrity and durability.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: November 25, 2014
    Assignee: Camco Manufacturing, Inc.
    Inventors: Jeffrey R. Russell, David M. Krawiec
  • Patent number: D714715
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: October 7, 2014
    Inventors: Jeffrey R. Russell, Robert C. Mancari, David M. Krawiec
  • Patent number: D756158
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: May 17, 2016
    Assignee: Camco Manufacturing Inc.
    Inventors: David M. Krawiec, Ronald Boose