Patents by Inventor Jonathan Sand

Jonathan Sand 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).

  • Gas turbine engine with variable pitch fan and variable pitch compressor geometry
    Patent number: 11286865
    Abstract: A gas turbine engine includes a fan and an engine core that includes a compressor, a combustor, and a turbine. The fan and the compressor include variable pitch geometry. The gas turbine engine further includes a control system configured to adjust the variable pitch geometry of the fan and the compressor to optimize a performance characteristic of the gas turbine engine.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: March 29, 2022
    Assignee: Rolls-Royce North American Technologies Inc.
    Inventors: Kyle Klein, Michael Karam, Jonathan Sands
  • GAS TURBINE ENGINE WITH VARIABLE PITCH FAN AND VARIABLE PITCH COMPRESSOR GEOMETRY
    Publication number: 20200088108
    Abstract: A gas turbine engine includes a fan and an engine core that includes a compressor, a combustor, and a turbine. The fan and the compressor include variable pitch geometry. The gas turbine engine further includes a control system configured to adjust the variable pitch geometry of the fan and the compressor to optimize a performance characteristic of the gas turbine engine.
    Type: Application
    Filed: September 14, 2018
    Publication date: March 19, 2020
    Inventors: Kyle Klein, Michael Karam, Jonathan Sands
  • Method and apparatus for arbitrating access to selected computer system devices
    Patent number: 5835737
    Abstract: A method and apparatus for arbitrating access to a selected device in a computer system comprises a routine for registering access rules for accessing the selected system device, a plurality of competing clients which may each request a connection to the selected device, and an arbitrator which uses the registered access rules to negotiate access to the requested connection on behalf of the competing clients.
    Type: Grant
    Filed: May 10, 1996
    Date of Patent: November 10, 1998
    Assignee: Apple Computer, Inc.
    Inventors: Jonathan Sand, Carl Sutton, Holly Knight