Patents by Inventor Nicholas J. Roberts

Nicholas J. 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).

  • ROTOR BEHAVIOUR DETERMINATION
    Publication number: 20130170947
    Abstract: A method of resolving vibration behaviour of a rotor assembly having a plurality of rotor blades. The method including generating a computational model of the rotor by discretization of the rotor geometry and assigning parameter values representative of a plurality of physical characteristics of the rotor. An artificial parameter feature is applied to each rotor blade such that the parameter values for the artificial parameter feature substantially depart from the physical characteristics of the rotor. A vibration response is calculated for the rotor or blade thereof for the applied artificial parameter features and compared to a predetermined vibration response so as to determine a value of the artificial parameter feature which results in a calculated vibration response that substantially matches the predetermined vibration response.
    Type: Application
    Filed: September 23, 2010
    Publication date: July 4, 2013
    Applicant: ROLLS-ROYCE PLC
    Inventors: Hilmi Kurt-Elli, Nicholas J. Roberts
  • LNP, a protein involved in the initiation of mycorrhizal infection in plants
    Patent number: 6849777
    Abstract: The present invention provides LNP polynucleotides that are useful in modulating mycorrhizal infection in plants.
    Type: Grant
    Filed: September 6, 2000
    Date of Patent: February 1, 2005
    Assignee: The Regents of the University of California
    Inventors: Marilynn E. Etzler, Nicholas J. Roberts