Patents by Inventor Walter Vann

Walter Vann 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).

  • HVI-PAO in industrial lubricant and grease compositions
    Publication number: 20070000807
    Abstract: The invention relates to industrial lubricant and grease compositions containing high viscosity index polyalphaolefins (HVI-PAO). The use of HVI-PAOs in industrial oils and greases application provides advantages in improved shear stability, wear property, foam property, energy efficiency and improved overall performance.
    Type: Application
    Filed: June 29, 2005
    Publication date: January 4, 2007
    Inventors: Margaret Wu, Andrew Jackson, Walter Vann, James Carey, Norman Yang, Suzzy Ho
  • METHOD FOR DECONVOLUTION OF IMPEDANCE SPECTRA
    Publication number: 20050035755
    Abstract: A method for deconvoluting a time dependent impedance spectrum and using the deconvoluted time dependent impedance spectrum as an indicator of the performance condition of a working fluid is disclosed. Also disclosed is a method to determine the viscosity ratio of a working fluid using the resistance ratio obtained from frequency dependent impedance data.
    Type: Application
    Filed: July 6, 2004
    Publication date: February 17, 2005
    Inventors: Alan Schilowitz, Walter Vann, Limin Song, John Szobota, Alexander Bolkhovsky