Patents by Inventor Darrell R. Snider

Darrell R. Snider 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).

  • Method and apparatus for heating refrigerant in a chiller
    Patent number: 5142876
    Abstract: An apparatus and method for heating refrigerant in the chiller of a conventional refrigeration system, whereby refrigerant is removed from the chiller and pumped to a heat exchanger, wherein the refrigerant is heated before being returned to the chiller to cause the pressure of the refrigerant in the system to increase. An electrical control structure monitors and controls the pressure and temperature of the refrigerant within the system.
    Type: Grant
    Filed: March 29, 1991
    Date of Patent: September 1, 1992
    Inventors: Darrell R. Snider, William C. Richardson