Patents by Inventor Gerald J. Lepinske

Gerald J. Lepinske 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).

  • Anti-wear additive for refrigeration oil
    Patent number: 5104560
    Abstract: Refrigeration oil compositions, additives for forming such compositions, and refrigeration charges comprising a refrigeration oil composition combined with a chlorofluorocarbon refrigerant. The improvement is incorporation the refrigeration oil of a halogenated paraffin as an antiwear additive. Surprisingly, this additive does not substantially decrease the sealed tube stability of the composition, nor does it raise the floc point of the composition when used in an amount effective to increase the Falex failure load of the refrigeration oil composition.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: April 14, 1992
    Assignee: Calumet Industries, Inc.
    Inventors: James F. Huster, Gerald J. Lepinske, Jerry L. Meinzer