Patents by Inventor David V. Roberts

David V. Roberts 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: 9562443
    Abstract: A component, for example an aerofoil vane or other gas path structure in a gas turbine machine such as a gas turbine engine, in which an insulated electrical conductor path is embedded structurally integrally, and in which electromagnetic shielding, for the embedded electrical conductor path is provided structurally integrally.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: February 7, 2017
    Assignee: ROLLS-ROYCE plc
    Inventors: David V. Roberts, Alison Jane McMillan, Stephen John Booth
  • Publication number: 20140193249
    Abstract: A component, for example an aerofoil vane or other gas path structure in a gas turbine machine such as a gas turbine engine, in which an insulated electrical conductor path is embedded structurally integrally, and in which electromagnetic shielding, for the embedded electrical conductor path is provided structurally integrally.
    Type: Application
    Filed: March 11, 2014
    Publication date: July 10, 2014
    Applicant: ROLLS-ROYCE PLC
    Inventors: David V. ROBERTS, Alison Jane McMILLAN, Stephen John BOOTH
  • Publication number: 20110044797
    Abstract: A component, for example an aerofoil vane or other gas path structure in a gas turbine machine such as a gas turbine engine, in which an insulated electrical conductor path (2) is embedded structurally integrally, and in which electromagnetic shielding (1, 2, 20, 22), for the embedded electrical conductor path is provided structurally integrally.
    Type: Application
    Filed: August 6, 2010
    Publication date: February 24, 2011
    Applicant: ROLLS-ROYCE PLC
    Inventors: David V Roberts, Alison J McMillan, Stephen J Booth
  • Patent number: 4150603
    Abstract: A fluid operable hammer including variable volume exhaust fluid receiving chamber means cooperable with improved motive fluid inlet and exhaust valve means.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: April 24, 1979
    Assignee: Joy Manufacturing Company
    Inventors: Murray D. Etherington, David V. Roberts