MD

Michael S. Damschen

BH Baker Hughes Holdings: 12 patents #242 of 3,522Top 7%
BC Baker Hughes, A Ge Company: 2 patents #432 of 1,459Top 30%
📍 Houston, TX: #1,542 of 21,073 inventorsTop 8%
🗺 Texas: #10,587 of 125,132 inventorsTop 9%
Overall (All Time): #347,474 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
10871036 Hybrid drill bit and design method Anton F. Zahradnik, Rudolf Carl Pessier, Don Q. Nguyen, Matthew J. Meiners, Karlos B. Cepeda +3 more 2020-12-22
10316589 Hybrid drill bit and design method Anton F. Zahradnik, Rudolf Carl Pessier, Don Q. Nguyen, Matthew J. Meiners, Karlos B. Cepeda +3 more 2019-06-11
10190366 Hybrid drill bits having increased drilling efficiency Anton F. Zahradnik, Robert J. Buske, Rudolf Carl Pessier, Don Q. Nguyen, Karlos B. Cepeda +5 more 2019-01-29
10072462 Hybrid drill bits Anton F. Zahradnik, Rudolf Carl Pessier, Mitchell A. Rothe, Don Q. Nguyen, Karlos B. Cepeda +5 more 2018-09-11
9670736 Hybrid drill bit Anton F. Zahradnik, Ron D. McCormick, Rudolf Carl Pessier, Jack T. Oldham, Don Q. Nguyen +3 more 2017-06-06
9353575 Hybrid drill bits having increased drilling efficiency Anton F. Zahradnik, Robert J. Buske, Rudolf Carl Pessier, Don Q. Nguyen, Karlos B. Cepeda +5 more 2016-05-31
8978786 System and method for adjusting roller cone profile on hybrid bit Don Q. Nguyen, Anton F. Zahradnik, Rudolf Carl Pessier, Mark P. Blackman, Robert Bradshaw +4 more 2015-03-17
8678111 Hybrid drill bit and design method Anton F. Zahradnik, Rudolf Carl Pessier, Don Q. Nguyen, Matthew J. Meiners, Karlos B. Cepeda +3 more 2014-03-25
8459378 Hybrid drill bit Anton F. Zahradnik, Ron D. McCormick, Rudolf Carl Pessier, Jack T. Oldham, Don Q. Nguyen +3 more 2013-06-11
8356398 Modular hybrid drill bit Ron D. McCormick, Rolf Carl Pessier, Don Q. Nguyen, Tim Marvel, Matthew R. Isbell +3 more 2013-01-22
8047307 Hybrid drill bit with secondary backup cutters positioned with high side rake angles Rudolf Carl Pessier 2011-11-01
7845435 Hybrid drill bit and method of drilling Anton F. Zahradnik, Rudolf Carl Pessier, Don Q. Nguyen, Karlos B. Cepeda, Tim Marvel +1 more 2010-12-07
7841426 Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit Anton F. Zahradnik, Rolf Carl Pessier, Don Q. Nguyen, Karlos B. Cepeda, Tim Marvel +1 more 2010-11-30
7819208 Dynamically stable hybrid drill bit Rudolf Carl Pessier, Don Q. Nguyen, Michael L. Doster 2010-10-26