Patents by Inventor Russell I. Crisp

Russell I. Crisp 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).

  • Rock analyzer
    Patent number: 5178837
    Abstract: A rock analyser includes a chamber containing a heater (2) and the sensor (6) of a hydrocarbon detector (7), the heater (2) being connectable to a source of power (5) and the sensor (6) being connected to the remainder of the hydrocarbon detector (7). The analyser determines the amount of hydrocarbon material present in the rock. It is portable and is useful for field screening tests to reduce the number of samples sent for laboratory analysis.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: January 12, 1993
    Assignee: The British Petroleum Company p.l.c.
    Inventor: Russell I. Crisp