Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9677343 | Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements | David R. Hall, Ronald B. Crockett, Francis Leany, Casey Webb | 2017-06-13 |
| 9637979 | Rotary drag bits including abrasive-impregnated cutting structures | Van Jordan Brackin, Jeffrey B. Lund, Danny E. Scott, Matthew R. Isbell | 2017-05-02 |
| 9567808 | Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools | Danny E. Scott, Jeffrey B. Lund, John H. Liversage, Moosa Mahomed Adia | 2017-02-14 |
| 9366089 | Cutting element attached to downhole fixed bladed bit at a positive rake angle | David R. Hall, Ronald B. Crockett, Francis Leany, Casey Webb | 2016-06-14 |
| 9316061 | High impact resistant degradation element | David R. Hall, Francis Leany | 2016-04-19 |
| 8839888 | Tracking shearing cutters on a fixed bladed drill bit with pointed cutting elements | David R. Hall, Ronald B. Crockett, Francis Leany, Casey Webb | 2014-09-23 |
| 8800692 | Cutting elements configured to generate shear lips during use in cutting, earth-boring tools including such cutting elements, and methods of forming and using such cutting elements and earth-boring tools | Danny E. Scott, Jeffrey B. Lund, John H. Liversage, Moosa Mahomed Adia | 2014-08-12 |
| 8795034 | Brazed diamond dressing tool | Richard M. Andrews, Sergej-Tomislav Buljan, Earl G. Geary, Jr., Robert L. Owen | 2014-08-05 |
| 8714285 | Method for drilling with a fixed bladed bit | David R. Hall, Ronald B. Crockett, Francis Leany, Casey Webb | 2014-05-06 |
| 8662207 | Rotary drag bits including abrasive-impregnated cutting structures | Van Jordan Brackin, Jeffrey B. Lund, Danny E. Scott, Matthew R. Isbell | 2014-03-04 |
| 8616305 | Fixed bladed bit that shifts weight between an indenter and cutting elements | David R. Hall, Ronald B. Crockett, Francis Leany, Casey Webb | 2013-12-31 |
| 8567532 | Cutting element attached to downhole fixed bladed bit at a positive rake angle | David R. Hall, Ronald B. Crockett, Francis Leany, Casey Webb | 2013-10-29 |
| 8550190 | Inner bit disposed within an outer bit | David R. Hall, Francis Leany, Casey Webb | 2013-10-08 |
| D678368 | Drill bit with a pointed cutting element | David R. Hall, Francis Leany, Ronald B. Crockett, Casey Webb | 2013-03-19 |
| D674422 | Drill bit with a pointed cutting element and a shearing cutting element | David R. Hall, Francis Leany, Ronald B. Crockett, Casey Webb | 2013-01-15 |
| 8333814 | Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same | Van Jordan Brackin, Jeffrey B. Lund, Danny E. Scott, Matthew R. Isbell | 2012-12-18 |
| 7810588 | Multi-layer encapsulation of diamond grit for use in earth-boring bits | Eric E. McClain, Dan E. Scott, Wesley Dean Fuller, Robert M. Welch, Jimmy W. Eason +1 more | 2010-10-12 |
| 7730976 | Impregnated rotary drag bit and related methods | Eric E. McClain | 2010-06-08 |
| 7497280 | Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same | Van Jordan Brackin, Jeffrey B. Lund, Danny E. Scott, Matthew R. Isbell | 2009-03-03 |
| 7243745 | Cutting elements and rotary drill bits including same | Danny E. Scott, Jeffrey B. Lund | 2007-07-17 |
| 7188692 | Superabrasive cutting elements having enhanced durability, method of producing same, and drill bits so equipped | Jeffrey B. Lund, Danny E. Scott | 2007-03-13 |
| 7048081 | Superabrasive cutting element having an asperital cutting face and drill bit so equipped | Redd H. Smith, Craig H. Cooley | 2006-05-23 |
| 6935444 | Superabrasive cutting elements with cutting edge geometry having enhanced durability, method of producing same, and drill bits so equipped | Jeffrey B. Lund, Danny E. Scott | 2005-08-30 |
| 6935940 | Metal single layer abrasive cutting tool having a contoured cutting surface | Sergej-Tomislav Buljan, Jean Kramp | 2005-08-30 |
| 6817936 | Metal single layer abrasive cutting tool having a contoured cutting surface | Sergej-Tomislav Buljan, Jean Kramp | 2004-11-16 |