Patents by Inventor W. Barnes

W. Barnes 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).

  • Low ash stationary gas engine lubricant
    Publication number: 20060052256
    Abstract: A low-ash, low-phosphorus lubricant composition suitable for use in a stationary gas engine includes an oil of lubricating viscosity, 1.5 to 8 percent of a succinimide dispersant, 0.8 to 4.0 percent of a hindered, ester-substituted phenol antioxidant, and at least one metal-containing sulfonate detergent or metal-containing phenate detergent, in an amount which provides 1.1 to 2.1 percent by weight of said sulfonate or phenate moieties exclusive of the weight of the metal moieties. The lubricant contains up to 0.08 percent by weight phosphorus and up to 1.25 percent sulfated ash.
    Type: Application
    Filed: May 14, 2003
    Publication date: March 9, 2006
    Inventors: W. Barnes, Virginia Carrick, Sara Pocinki, Jayram Patel
  • Ashless stationary gas engine lubricant
    Publication number: 20050070447
    Abstract: A low-ash, low-phosphorus lubricant composition suitable for use in a stationary gas engine includes an oil of lubricating viscosity, 1.0 to 8 percent of a succinimide dispersant, 0.8 to 4.0 percent of a hindered, ester-substituted phenol antioxidant, and at least one metal or ammonium-containing sulfonate detergent or metal or ammonium-containing phenate detergent, in an amount which provides 0.1 to 3.0 percent by weight of said sulfonate or phenate moieties exclusive of the weight of the metal or ammonium moieties. The lubricant contains up to 0.08 percent by weight phosphorus and up to 0.2 percent sulfated ash.
    Type: Application
    Filed: September 25, 2003
    Publication date: March 31, 2005
    Applicant: The Lubrizol Corporation
    Inventors: W. Barnes, Jayram Patel, Virginia Carrick