Issued Patents All Time
Showing 26–50 of 108 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9200483 | Earth-boring tools and methods of forming such earth-boring tools | David Gavia, Nicholas J. Lyons, Juan Miguel Bilen, Danny E. Scott | 2015-12-01 |
| 9181794 | Graph to analyze drilling parameters | Hatem Oueslati, Hanno Reckmann, Bernhard Meyer-Heye, Thorsten Schwefe | 2015-11-10 |
| 9080390 | Turbine driven reaming bit with profile limiting torque fluctuation | Silvino M. Ersan, Anthony Phillips, Maurilio V. Solano, Thorsten Schwefe | 2015-07-14 |
| 9074435 | Earth-boring tools having shaped cutting elements | Danny E. Scott, Nicholas J. Lyons, Juan Miguel Bilen, Oliver Matthews | 2015-07-07 |
| 8991525 | Earth-boring tools having cutting elements with cutting faces exhibiting multiple coefficients of friction, and related methods | Juan Miguel Bilen, Anthony A. DiGiovanni, Chih Lin, Suresh G. Patel, Danny E. Scott +1 more | 2015-03-31 |
| 8978787 | Turbine driven reaming bit with blades and cutting structure extending into concave nose | Silvino M. Ersan, Anthony Phillips, Maurilio V. Solano, Thorsten Schwefe | 2015-03-17 |
| 8978786 | System and method for adjusting roller cone profile on hybrid bit | Don Q. Nguyen, Anton F. Zahradnik, Mark P. Blackman, Robert Bradshaw, Scott Allan Young +4 more | 2015-03-17 |
| 8973685 | Turbine driven reaming bit with stability and cutting efficiency features | Silvino M. Ersan, Anthony Phillips, Maurilio V. Solano, Thorsten Schwefe | 2015-03-10 |
| 8854373 | Graph to analyze drilling parameters | Stephen Wallace, Hatem Oueslati | 2014-10-07 |
| 8851207 | Earth-boring tools and methods of forming such earth-boring tools | David Gavia, Nicholas J. Lyons, Juan Miguel Bilen, Danny E. Scott | 2014-10-07 |
| 8794356 | Shaped cutting elements on drill bits and other earth-boring tools, and methods of forming same | Nicholas J. Lyons, Danny E. Scott, David Gavia, Juan Miguel Bilen, Anthony A. DiGiovanni | 2014-08-05 |
| 8678111 | Hybrid drill bit and design method | Anton F. Zahradnik, Don Q. Nguyen, Matthew J. Meiners, Karlos B. Cepeda, Michael S. Damschen +3 more | 2014-03-25 |
| 8579050 | Reamer with balanced cutting structure for use in a wellbore | Scott Allan Young, Robert J. Buske, Mark P. Blackman, Gregory L. Ricks | 2013-11-12 |
| 8505634 | Earth-boring tools having differing cutting elements on a blade and related methods | Nicholas J. Lyons, Danny E. Scott, David Gavia, Juan Miguel Bilen | 2013-08-13 |
| 8459378 | Hybrid drill bit | Anton F. Zahradnik, Ron D. McCormick, Jack T. Oldham, Michael S. Damschen, Don Q. Nguyen +3 more | 2013-06-11 |
| 8448724 | Hole opener with hybrid reaming section | Robert J. Buske | 2013-05-28 |
| 8347989 | Hole opener with hybrid reaming section and method of making | Robert J. Buske | 2013-01-08 |
| 8240402 | Earth-boring tools and components thereof including blockage-resistant internal fluid passageways, and methods of forming such tools and components | David L. Rickabaugh, Mark E. Anderson, William A. Moss, Jr., Redd H. Smith | 2012-08-14 |
| 8191635 | Hole opener with hybrid reaming section | Robert J. Buske | 2012-06-05 |
| 8079427 | Methods of forming earth-boring tools having features for affecting cuttings flow | Floyd C. Felderhoff, Yolanda V. Morse | 2011-12-20 |
| 8047307 | Hybrid drill bit with secondary backup cutters positioned with high side rake angles | Michael S. Damschen | 2011-11-01 |
| 8028769 | Reamer with stabilizers for use in a wellbore | Robert J. Buske, James L. Overstreet | 2011-10-04 |
| RE42445 | Cutting structure for earth-boring bit to reduce tracking | Floyd C. Felderhoff, Matthew R. Isbell | 2011-06-14 |
| 7918292 | Earth-boring tools having features for affecting cuttings flow | Floyd C. Felderhoff, Yolanda V. Morse | 2011-04-05 |
| 7845435 | Hybrid drill bit and method of drilling | Anton F. Zahradnik, Don Q. Nguyen, Michael S. Damschen, Karlos B. Cepeda, Tim Marvel +1 more | 2010-12-07 |