Patents by Inventor Maria C. Chiappelli

Maria C. Chiappelli 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).

  • Transmission fluid compositions for hybrid and electric vehicle applications
    Patent number: 11905488
    Abstract: A transmission fluid composition contains a major amount of a lubricating oil basestock, and a minor amount of an additive package comprising: (i) a mixture comprising two or more phosphites and/or phosphates; (ii) one or more thioester compounds; (iii) a detergent comprising calcium salicylate; and (iv) a poly(alkylene amine)-based ashless dispersant endcapped with metallocene-catalyzed PAO arms. Such a transmission fluid may be used for controlling/reducing wear in at least partially electrically-powered transmissions and/or for cooling/insulating electrical/electronic components of at least partially electrically-powered drivetrains.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: February 20, 2024
    Assignee: Infineum International Limited
    Inventors: Matthew Cunningham, Maria C. Chiappelli, Joe R. Noles, Jr., Kerry L. Cogen, Keith R. Gorda, Hahnsoo Kim, Raymond F. Watts, Laura A. Kahsar
  • Transmission Fluid Compositions for Hybrid and Electric Vehicle Applications
    Publication number: 20220119727
    Abstract: A transmission fluid composition contains a major amount of a lubricating oil basestock, and a minor amount of an additive package comprising: (i) a mixture comprising two or more phosphites and/or phosphates; (ii) one or more thioester compounds; (iii) a detergent comprising calcium salicylate; and (iv) a poly(alkylene amine)-based ashless dispersant endcapped with metallocene-catalyzed PAO arms. Such a transmission fluid may be used for controlling/reducing wear in at least partially electrically-powered transmissions and/or for cooling/insulating electrical/electronic components of at least partially electrically-powered drivetrains.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 21, 2022
    Applicant: lnfineum International Limited
    Inventors: Matthew Cunningham, Maria C. Chiappelli, Joe R. Noles, JR., Kerry L. Cogen, Keith R. Gorda, Hahnsoo Kim, Raymond F. Watts, Laura A. Kahsar