Patents by Inventor Wayne Douglas Zollinger

Wayne Douglas Zollinger 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).

  • Patent number: 8863538
    Abstract: A method of treating a contaminated refrigeration fluid including the steps of transferring, separating, returning, moving and removing. The transferring step includes the transferring of a portion of the contaminated refrigeration fluid from a refrigeration system to a first tank. The separating step includes the separating of refrigerant from the portion of the contaminated refrigeration fluid resulting in the refrigerant and a refrigerant depleted portion. The returning step includes the returning of the refrigerant to the refrigeration system. The moving step includes the moving of the refrigerant depleted portion to a second tank. The removing step includes the removing of oil from the refrigerant depleted portion.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: October 21, 2014
    Assignee: Wagner-Meinert LLC
    Inventors: Lawrence F. Hildebrand, Wayne Douglas Zollinger
  • Publication number: 20120227827
    Abstract: A method of treating a contaminated refrigeration fluid including the steps of transferring, separating, returning, moving and removing. The transferring step includes the transferring of a portion of the contaminated refrigeration fluid from a refrigeration system to a first tank. The separating step includes the separating of refrigerant from the portion of the contaminated refrigeration fluid resulting in the refrigerant and a refrigerant depleted portion. The returning step includes the returning of the refrigerant to the refrigeration system. The moving step includes the moving of the refrigerant depleted portion to a second tank. The removing step includes the removing of oil from the refrigerant depleted portion.
    Type: Application
    Filed: April 10, 2012
    Publication date: September 13, 2012
    Inventors: Lawrence F. Hildebrand, Wayne Douglas Zollinger