Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |