Patents by Inventor Richard William Hall

Richard William Hall 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).

  • Rotational rheometer
    Patent number: 6698275
    Abstract: A rotational rheometer is provided with a heat control cup located around a measuring cup having a wall thickness decreasing gradually from the bottom of the cup to its outer rim. Temperature of the heat control cup is maintained by a heat pump. The heat controlled cup has a wall thickness which is narrow at or adjacent the open end than the thickness adjacent the base of the cup.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: March 2, 2004
    Assignee: Bohlin Instruments Limited
    Inventor: Richard William Hall
  • ROTATIONAL RHEOMETER
    Publication number: 20030233867
    Abstract: A rotational rheometer is provided with a heat control cup located around a measuring cup having a wall thickness decreasing gradually from the bottom of the cup to its outer rim. Temperature of the heat control cup is maintained by a heat pump. The heat controlled cup has a wall thickness which is narrow at or adjacent the open end than the thickness adjacent the base of the cup.
    Type: Application
    Filed: June 21, 2002
    Publication date: December 25, 2003
    Inventor: Richard William Hall