Patents by Inventor Mark W. Sylvester

Mark W. Sylvester 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).

  • Climatic control system
    Patent number: 4502292
    Abstract: A climatic control system for the seasonal heating and cooling of air circulated through a temperature control chamber, including a three coil heat pump having a cooling mode coil and a separate heating mode coil positioned in the chamber for selective operation, and a heat reclaim condenser coil of a separate refrigeration system positioned between the cooling and heating mode coils for selective operation therewith.
    Type: Grant
    Filed: November 3, 1982
    Date of Patent: March 5, 1985
    Assignee: Hussmann Corporation
    Inventors: Roland A. Ares, Mark W. Sylvester