Patents by Inventor Michelle O. Valenzuela

Michelle O. Valenzuela 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).

  • POLYALKYLENE GLYCOL-BASED WIND TURBINE LUBRICANT COMPOSITIONS
    Publication number: 20110039739
    Abstract: A lubricant composition that is especially useful under extreme conditions, such as in wind turbine gearboxes, comprises a mixed feed glycol; a polyol ester; two particular antioxidants; a phosphorus-based extreme pressure additive; a yellow metal passivator; and at least one specified corrosion inhibitor. The composition passes testing according to ASTM D665B even at 168 hours from initiation, and/or the SKF-Emcor Test Method DIN 51802:1990.
    Type: Application
    Filed: April 22, 2009
    Publication date: February 17, 2011
    Inventors: Martin Greaves, Michelle O. Valenzuela, Daniel Zweifel