Inventor

SCHMIDT SCOTT R

US3 patents

Patents

3 patents

US6026917AFeb 22, 2000

Earth-boring bit with improved bearing seal

BAKER HUGHES INC58 citations95

US6142249ANov 7, 2000

Earth-boring bit with improved bearing seal

BAKER HUGHES INC32 citations92

US6209668B1Apr 3, 2001

Earth-boring bit with improved cutting structure

BAKER HUGHES INC17 citations82