Patents by Inventor David F. Troudt

David F. Troudt 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: 20150274603
    Abstract: A form for producing a hardened element such as concrete, formed of a flowable material, the form comprising: an elongated, substantially self-supporting portion of flexible material comprising at least one forming surface for abutting the flowable material; first and second flanges hingedly affixed to respective first and second edges longitudinally of the forming surface; and a plurality of corresponding anchoring holes uniformly placed along the first and second flanges.
    Type: Application
    Filed: May 13, 2015
    Publication date: October 1, 2015
    Inventor: David F. Troudt
  • Patent number: 9068364
    Abstract: A form for producing a hardened element such as concrete, formed of a flowable material, the form comprising: an elongated, substantially self-supporting portion of flexible material comprising at least one forming surface for abutting the flowable material; first and second flanges hingedly affixed to respective first and second edges longitudinally of the forming surface; and a plurality of corresponding anchoring holes uniformly placed along the first and second flanges.
    Type: Grant
    Filed: March 29, 2014
    Date of Patent: June 30, 2015
    Inventor: David F. Troudt
  • Publication number: 20140291478
    Abstract: A form for producing a hardened element such as concrete, formed of a flowable material, the form comprising: an elongated, substantially self-supporting portion of flexible material comprising at least one forming surface for abutting the flowable material; first and second flanges hingedly affixed to respective first and second edges longitudinally of the forming surface; and a plurality of corresponding anchoring holes uniformly placed along the first and second flanges.
    Type: Application
    Filed: March 29, 2014
    Publication date: October 2, 2014
    Inventor: David F. Troudt