Patents by Inventor Nancy Lynn Tucker

Nancy Lynn Tucker 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).

  • Compositions and methods for reducing fire hazard of flammable refrigerants
    Patent number: 8535557
    Abstract: The present invention relates to compositions comprising flammable refrigerant, fire hazard-reducing agent, and optionally a lubricant suitable for use in a refrigeration or air conditioning apparatus. Further, the present invention relates to compositions comprising lubricant and fire hazard-reducing agent and methods for reducing flammability of flammable refrigerant, for delivering a fire hazard-reducing agent to a refrigeration or air conditioning apparatus, and for replacing a non-flammable refrigerant with a flammable refrigerant.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: September 17, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Thomas Joseph Leck, Howard S Hammel, Nancy Lynn Tucker
  • COMPOSITIONS AND METHODS FOR REDUCING FIRE HAZARD OF FLAMMABLE REFRIGERANTS
    Publication number: 20120326105
    Abstract: The present invention relates to compositions comprising flammable refrigerant, fire hazard-reducing agent, and optionally a lubricant suitable for use in a refrigeration or air conditioning apparatus. Further, the present invention relates to compositions comprising lubricant and fire hazard-reducing agent and methods for reducing flammability of flammable refrigerant, for delivering a fire hazard-reducing agent to a refrigeration or air conditioning apparatus, and for replacing a non-flammable refrigerant with a flammable refrigerant.
    Type: Application
    Filed: September 5, 2012
    Publication date: December 27, 2012
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Thomas J. Leck, Howard S. Hammel, Nancy Lynn Tucker