Patents by Inventor David E. Winstrup

David E. Winstrup 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: 20080230464
    Abstract: A conductive filtration media having a textile substrate (with a defined first side and a second side and a machine and cross-machine direction), where the conductive pattern on the first side is in registration with the conductive pattern on the second side of the textile substrate. The conductive pattern has a plurality of continuous conductive pathways across the textile substrate, the resistivity of the conductive pattern is less than 100 mega ohms when measured on a 2? by 12? sample taken in the machine and cross-machine direction of the textile substrate in accordance with test DIN 54 345, and the air permeability of the conductive filtration media is between 1 and 100 cc/cm2/sec as measured by ASTM D737. A conductive air filter made from the conductive filtration media and the method of making the conductive filtration media is also disclosed.
    Type: Application
    Filed: March 22, 2007
    Publication date: September 25, 2008
    Inventors: David E. Winstrup, Steven A. Stansell, Alfred R. DeAngelis