Patents by Inventor Nancy Tucker

Nancy 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 comprising 1,1,1,2,2,3,4,5,5,6,6,7,7,7-tetradecafluoroheptane and uses thereof
    Publication number: 20060180785
    Abstract: The present invention relates to compositions comprising HFC-63-14mcee. The compositions may be azeotropic or azeotrope-like and are useful in cleaning applications, as a defluxing agent, for removing oils or residues from a surface, depositing or removing lubricants from a surface, and as refrigerants or heat transfer fluids in refrigeration systems, air-conditioners and heat pumps.
    Type: Application
    Filed: February 3, 2006
    Publication date: August 17, 2006
    Inventors: Abid Merchant, Barbara Minor, Shoeb Moiyadi, Velliyur Rao, Melodie Schweitzer, Allen Sievert, Nancy Tucker
  • Compositions and methods for reducing fire hazard of flammable refrigerants
    Publication number: 20050242323
    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: November 12, 2004
    Publication date: November 3, 2005
    Inventors: Thomas Leck, Howard Hammel, Nancy Tucker
  • Selected percussion additions for stringed musical instruments
    Patent number: 6369304
    Abstract: One embodiment of the present invention is a percussion addition for a stringed instrument, such as a guitar, comprised of a hollow disc with a face, and a hollow support adapted for connection to an off-set sound hole in a stringed instrument. The percussion addition may be provided as a kit with interchangeable percussion additions. Alternatively, the kit may include percussion additions with the discs that are removable from the support and allow different discs to be received by the same support. Further, this invention includes a combination stringed and percussion instrument comprised of a stringed instrument with one or more percussion additions affixed to select off-set sound holes.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: April 9, 2002
    Inventor: Nancy Tucker
  • Display of objects
    Patent number: 5390800
    Abstract: Method and apparatus for the display of objects by at least one screen disposed between inner and outer frames for suspending objects; a plurality of screens with different meshes can be employed in order to adapt the display to the suspension of different classes of objects; and the inner frame can have a beveled surface facing the screen to facilitate the placement of objects on the screen.
    Type: Grant
    Filed: October 13, 1993
    Date of Patent: February 21, 1995
    Inventor: Nancy Tucker