MI

Matthew R. Isbell

BH Baker Hughes Holdings: 29 patents #81 of 3,522Top 3%
EL Element Six Limited: 1 patents #78 of 181Top 45%
HC Hughes Tool Company: 1 patents #83 of 224Top 40%
📍 Houston, TX: #493 of 21,073 inventorsTop 3%
🗺 Texas: #3,693 of 125,132 inventorsTop 3%
Overall (All Time): #118,774 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 26–31 of 31 patents

Patent #TitleCo-InventorsDate
5542485 Earth-boring bit with improved cutting structure Rudolf Carl Pessier, Danny E. Scott, Robert E. Grimes 1996-08-06
5479997 Earth-boring bit with improved cutting structure Danny E. Scott, Robert E. Grimes, Rudolf Carl Pessier 1996-01-02
5351768 Earth-boring bit with improved cutting structure Danny E. Scott, Robert E. Grimes, Rudolf Carl Pessier 1994-10-04
5323865 Earth-boring bit with an advantageous insert cutting structure Rudolf Carl Pessier, Robert E. Grimes 1994-06-28
5311958 Earth-boring bit with an advantageous cutting structure Rudolf Carl Pessier 1994-05-17
4984643 Anti-balling earth boring bit Rudolf Carl Pessier 1991-01-15