Patents by Inventor Stephen John Ritchings

Stephen John Ritchings 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).

  • Expert-system-based rheology
    Patent number: 9389159
    Abstract: A rheometer is disclosed that includes rheometry logic that is responsive to a material selection control, to an objective selection control, to material property storage, and to process parameter storage, and is operative to assist the user with a measurement using the rheometer. In another general aspect, a rheometer includes sample history storage operative to store a history that spans a plurality of different operations performed by the rheometer on a same sample.
    Type: Grant
    Filed: February 1, 2011
    Date of Patent: July 12, 2016
    Assignee: Malvern Instruments Ltd.
    Inventors: John Paul Wilkinson, James Francis Thomas, Joanne Elizabeth Langridge, Stephen John Ritchings, Samiul Amin
  • EXPERT-SYSTEM-BASED RHEOLOGY
    Publication number: 20120192625
    Abstract: A rheometer is disclosed that includes rheometry logic that is responsive to a material selection control, to an objective selection control, to material property storage, and to process parameter storage, and is operative to assist the user with a measurement using the rheometer. In another general aspect, a rheometer includes sample history storage operative to store a history that spans a plurality of different operations performed by the rheometer on a same sample.
    Type: Application
    Filed: February 1, 2011
    Publication date: August 2, 2012
    Inventors: John Paul Wilkinson, James Francis Thomas, Johanne Elizabeth Langridge, Stephen John Ritchings, Samiul Amin