Patents Represented by Attorney Al Crowder

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  • Shot-rock diggability monitor
    Patent number: 5844800
    Abstract: Method and Apparatus are disclosed for dynamically determining the efficiency of blast design parameters at a mine site from measured machine loader characteristics whereby a microprocessor system receives signals indicative of power train and work implement linkage measurements and develops diggability ratio indices therefrom to ascertain the blast design efficiency.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: December 1, 1998
    Assignee: Caterpillar Inc.
    Inventors: Everett G. Brandt, William C. Evans