Patents by Inventor Erwan BERTHO

Erwan BERTHO 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).

  • Patent number: 11697785
    Abstract: Disclosed is a method of lubricating a gas engine using a lubricant including at least one mineral base oil and at least one ester selected from among the polyol esters. The composition includes at least 50% by weight of mineral base oil and at least 5% by weight of polyol ester relative to the total weight of the lubricant composition.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: July 11, 2023
    Assignee: TOTAL MARKETING SERVICES
    Inventors: Sophie Oppilliart, Santiago Carreras, Erwan Bertho
  • Publication number: 20190203152
    Abstract: Disclosed is a method of lubricating a gas engine using a lubricant including at least one mineral base oil and at least one ester selected from among the polyol esters. The composition includes at least 50% by weight of mineral base oil and at least 5% by weight of polyol ester relative to the total weight of the lubricant composition.
    Type: Application
    Filed: July 6, 2017
    Publication date: July 4, 2019
    Applicant: TOTAL MARKETING SERVICES
    Inventors: Sophie OPPILLIART, Santiago CARRERAS, Erwan BERTHO