Patents by Inventor Thomas Ruffin

Thomas Ruffin 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).

  • Publication number: 20100175346
    Abstract: The present invention is directed to a door facing formed from a polymeric composite material. The door facing has a first major surface intended to be interiorly disposed and a second major surface intended to be exteriorly disposed. At least a portion of the first major surface is to be subjected to thermal and mechanical stresses during door assembly. The first major surface has a textured pattern in the portion to be subjected to thermal and mechanical stresses. The textured pattern includes a plurality of spaced grooves extending into the first major surface and minimizing thermal and mechanical stresses. A door formed with the disclosed polymeric door facing and a method of forming a door facing are also disclosed.
    Type: Application
    Filed: March 25, 2010
    Publication date: July 15, 2010
    Inventors: David McMahan, James Pfau, Tamra Williams, Liqun Xu, Thomas Ruffin
  • Patent number: 7690163
    Abstract: The present invention is directed to a door facing formed from a polymeric composite material. The door facing has a first major surface intended to be interiorly disposed and a second major surface intended to be exteriorly disposed. At least a portion of the first major surface is to be subjected to thermal and mechanical stresses during door assembly. The first major surface has a textured pattern in the portion to be subjected to thermal and mechanical stresses. The textured pattern includes a plurality of spaced grooves extending into the first major surface and minimizing thermal and mechanical stresses. A door formed with the disclosed polymeric door facing and a method of forming a door facing are also disclosed.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: April 6, 2010
    Assignee: Masonite Corporation
    Inventors: David McMahan, James Pfau, Tamra Williams, Liqun Xu, Thomas Ruffin
  • Publication number: 20060272278
    Abstract: The present invention is directed to a door facing formed from a polymeric composite material. The door facing has a first major surface intended to be interiorly disposed and a second major surface intended to be exteriorly disposed. At least a portion of the first major surface is to be subjected to thermal and mechanical stresses during door assembly. The first major surface has a textured pattern in the portion to be subjected to thermal and mechanical stresses. The textured pattern includes a plurality of spaced grooves extending into the first major surface and minimizing thermal and mechanical stresses. A door formed with the disclosed polymeric door facing and a method of forming a door facing are also disclosed.
    Type: Application
    Filed: May 23, 2006
    Publication date: December 7, 2006
    Inventors: David McMahan, James Pfau, Tamra Williams, Liqun Xu, Thomas Ruffin