Patents by Inventor Joseph Arden Crum

Joseph Arden Crum 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 to air heat and moisture recovery ventilator
    Patent number: 6039109
    Abstract: A ventilator includes a ventilator housing defining an exhaust air flow section and a fresh air flow section, a rotary wheel, a heat and moisture exchange media supported by the rotary wheel and intersecting the exhaust air flow section and the fresh air flow section, a rotary wheel mounting assembly including a first set of guide rollers in contact with a first rim edge portion of the rotary wheel and a second set of guide rollers in contact with a second rim edge portion of the rotary wheel, and a drive roller in contact with one of the rim edge portions. A hub and bearing assembly is provided such that the rotary wheel may tilt with respect to the mounting assembly. A rotary wheel access plate defines an exhaust air outlet and a fresh air inlet and is equipped with an access plate opening assembly. A moisture transfer wick extends across a partition assembly between the exhaust air flow section and the fresh air flow section.
    Type: Grant
    Filed: November 5, 1996
    Date of Patent: March 21, 2000
    Assignee: Stirling Technology, Inc.
    Inventors: Catherine J. Chagnot, Joseph Arden Crum