Patents Assigned to Richards Technical Products, Inc.
  • Monitoring apparatus
    Patent number: 4630449
    Abstract: Monitoring apparatus for sensing the temperature within a refrigeration unit that experiences periodic defrosting cycles. The apparatus is capable of discerning the differences between a normal defrost cycle and system failure and provides a warning signal when a failure occurs.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: December 23, 1986
    Assignee: Richards Technical Products, Inc.
    Inventor: William H. Adams