Patents by Inventor Johnpaul Woodhead

Johnpaul Woodhead 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).

  • Liner with improved resistance to wear and a plain bearing including such a liner
    Patent number: 11187270
    Abstract: A bearing liner includes a binder with a resin material, a pre-preg, a structural yarn and a lubricating yarn, and particles of aluminum oxide (Al2O3). The particles of aluminum oxide may be embedded within the binder or within the lubricating yarn, or may be embedded within both the binder and the lubricating yarn. A plain bearing includes an inner ring, an outer ring and such a liner interposed or disposed between the rings.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: November 30, 2021
    Assignee: AKTIEBOLAGET SKF
    Inventors: Michael Brett Colton, Grant Dennis, Johnpaul Woodhead
  • Plain bearing with improved resistance to wear
    Patent number: 10941809
    Abstract: Plain bearing providing an outer ring with an inner surface, an inner ring with an outer surface, the rings being symmetrical around an axis and metallic, at least on the rings being a textured ring with a texturation consisting of a plurality of micro-cavities arranged onto a textured surface. A composite self-lubricating composite liner that is interposed between the inner surface of the outer ring and the outer surface of the inner ring, so that upon sliding movement of the textured ring with respect to the composite liner, some solid particles of the liner, acting as a solid lubricant, are detached from the composite liner and migrate between the sliding surfaces until they get retained into the micro-cavities.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: March 9, 2021
    Assignee: Aktiebolaget SKF
    Inventors: Michael Brett Colton, Jacek Kaminski, William Makin, Johnpaul Woodhead
  • LINER WITH IMPROVED RESISTANCE TO WEAR AND A PLAIN BEARING INCLUDING SUCH A LINER
    Publication number: 20200370598
    Abstract: A bearing liner includes a binder with a resin material, a pre-preg, a structural yarn and a lubricating yarn, and particles of aluminum oxide (Al2O3). The particles of aluminum oxide may be embedded within the binder or within the lubricating yarn, or may be embedded within both the binder and the lubricating yarn. A plain bearing includes an inner ring, an outer ring and such a liner interposed or disposed between the rings.
    Type: Application
    Filed: May 13, 2020
    Publication date: November 26, 2020
    Inventors: Michael Brett Colton, Grant Dennis, Johnpaul Woodhead
  • PLAIN BEARING WITH IMPROVED RESISTANCE TO WEAR
    Publication number: 20200224719
    Abstract: Plain bearing providing an outer ring with an inner surface, an inner ring with an outer surface, the rings being symmetrical around an axis and metallic, at least on the rings being a textured ring with a texturation consisting of a plurality of micro-cavities arranged onto a textured surface. A composite self-lubricating composite liner that is interposed between the inner surface of the outer ring and the outer surface of the inner ring, so that upon sliding movement of the textured ring with respect to the composite liner, some solid particles of the liner, acting as a solid lubricant, are detached from the composite liner and migrate between the sliding surfaces until they get retained into the micro-cavities.
    Type: Application
    Filed: January 6, 2020
    Publication date: July 16, 2020
    Inventors: Michael Brett Colton, Jacek Kaminski, William Makin, Johnpaul Woodhead