Patents by Inventor Jerry Kirk Randall

Jerry Kirk Randall 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).

  • Particulate sampling system having flow check device
    Patent number: 7281440
    Abstract: A particulate sampling system is disclosed. The particulate sampling system may include an exhaust sampling unit and a dilution flow assembly to supply dilution air to the exhaust sampling unit. The particulate sampling system may also include a total flow assembly to receive dilution air and exhaust. The particulate sampling system may further include a flow regulation assembly configured to control flow rates in the dilution flow assembly and the total flow assembly. The particulate sampling system may also include a flow check assembly configured to measure the accuracy of the flow regulation assembly.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: October 16, 2007
    Assignee: Caterpillar Inc.
    Inventors: Russell Robert Graze, Jr., Jerry Kirk Randall