Patents by Inventor Donald D. Michaels, Jr.

Donald D. Michaels, Jr. 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).

  • Economizer control assembly for regulating the volume flow of outdoor ambient air
    Patent number: 4478056
    Abstract: An economizer assembly is disclosed wherein a sliding door is utilized for covering an outdoor ambient air opening allowing outdoor ambient air flow into a space to be conditioned. A motor shaft arrangement connected via a rotating drive rod is utilized to slidably displace the door to any position necessary to effectively regulate air flow. The utilization of this economizer control arrangement with a rooftop type air conditioning unit is further disclosed.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: October 23, 1984
    Assignee: Carrier Corporation
    Inventor: Donald D. Michaels, Jr.