Patents by Inventor Thomas R. Pearse

Thomas R. Pearse 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: 3983675
    Abstract: An improved roofing member for use with other similar roofing members in an overlapping relationship which has upper and lower webs which when two roofing members are engaged one on the other defining between them a transverse cavity which forms a combined air expansion chamber and water trap such a cavity being formed also at the overlap of a pair of members, whereby to form a water meniscus at the joint to restrict air flow into the cavity and water flow through the joint. A special alignment configuration forms part of the webs.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: October 5, 1976
    Assignee: Rooftilers (Vic.) Pty. Ltd.
    Inventors: Thomas R. Pearse, John S. Allison