Patents by Inventor Loddie Alspach

Loddie Alspach 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).

  • Air circulation system for a chamber
    Patent number: 6434954
    Abstract: An air circulation system mounted within a chamber is provided. The chamber receives a product to be tested or processed. The air circulation system comprises an enclosure defined within the chamber with at least one inlet formed in the enclosure for receiving air from the chamber. A pair of counter rotating fans are mounted within the enclosure adjacent the inlet for circulating the air. Additionally, at least one air diverter plate is mounted within the enclosure adjacent the fans for diverting the circulating air substantially across the width of the enclosure. Furthermore, at least one air outlet is formed in the enclosure for introducing circulating air into the chamber about the product being tested or processed.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: August 20, 2002
    Assignee: QualMark Corporation
    Inventors: John C. Hess, Loddie Alspach, Wagdy Wahba