Patents by Inventor Martin Tuffs

Martin Tuffs 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).

  • Abradable seals
    Patent number: 7029232
    Abstract: A sealing element for a turbine of a gas turbine engine includes a radially inner surface region provided with an integrally formed seal structure comprising a plurality of radially inwardly projecting walls. The walls may be abradable and may define cells for receiving an abradable sealing material.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: April 18, 2006
    Assignee: Rolls-Royce PLC
    Inventors: Martin Tuffs, Joanne M Shipton, legal representative, Junfa Mei, Xinhua Wu, Mark Henry Shipton, deceased
  • Abradable seals
    Publication number: 20040265120
    Abstract: A sealing element for a turbine of a gas turbine engine includes a radially inner surface region provided with an integrally formed seal structure comprising a plurality of radially inwardly projecting walls. The walls may be abradable and may define cells for receiving an abradable sealing material.
    Type: Application
    Filed: January 7, 2004
    Publication date: December 30, 2004
    Applicant: ROLLS-ROYCE PLC.
    Inventors: Martin Tuffs, Mark Henry Shipton, Junfa Mei, Xinhua Wu, Joanne M. Shipton