Patents by Inventor Ralph Lumby

Ralph Lumby 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: 11072757
    Abstract: The present disclosure relates to lubricating oil compositions, and in particular, lubricating oil compositions for slideway applications, additive compositions for the slideway lubricants, and methods of lubricating a machine part, such as a slideway with the lubricating oil compositions. In one aspect, the lubricating oil compositions have a composition that provides both good friction performance and good separability from metal working fluids at the same time.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: July 27, 2021
    Assignee: Afton Chemical Corporation
    Inventors: Paul Norris, Ralph Lumby
  • Publication number: 20190352576
    Abstract: The present disclosure relates to lubricating oil compositions, and in particular, lubricating oil compositions for slideway applications, additive compositions for the slideway lubricants, and methods of lubricating a machine part, such as a slideway with the lubricating oil compositions. In one aspect, the lubricating oil compositions have a composition that provides both good friction performance and good separability from metal working fluids at the same time.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 21, 2019
    Inventors: Paul Norris, Ralph Lumby