Patents by Inventor Theodore R. Wheeler

Theodore R. Wheeler 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).

  • Rotary valve thermal oxidizer
    Patent number: 5871349
    Abstract: A rotary valve thermal oxidizer including an interfacial seal disposed between rotating and fixed valve portions to prevent the mixing of treated and untreated gas streams. In a preferred embodiment, the valve sealing device includes a flowable sealing material contained within a receptacle, and contacted by a partition nested within the receptacle. Other sealing devices, as well as purge and/or sealing gases, may be employed to prevent leakage, while avoiding the use of machined parts.
    Type: Grant
    Filed: October 16, 1997
    Date of Patent: February 16, 1999
    Assignee: Smith Engineering Company
    Inventors: Jeffrey C. Johnson, Thomas J. Truppi, Erwin Hendricks, Theodore R. Wheeler