Patent | Date |
---|
Polycrystalline diamond chisel type insert for use in percussion drill bits even for use in large hole percussion drilling of oil wells Grant 10,907,417 - Brady February 2, 2 | 2021-02-02 |
Polycrystalline diamond chisel type insert for use in percussion drill bits even for use in large hole percussion drilling of oil wells App 20180313162 - Brady; William J. | 2018-11-01 |
Polycrystalline diamond percussion drill bits using low thrust and torque and incorporating PCD chisel type inserts, or combination of PCD chisel type inserts with PCD conical inserts, for application with small diameter drill bits App 20170130532 - Brady; William J. | 2017-05-11 |
Polycrystalline diamond percussion drill bits using low thrust and torque for application with small diameter drill bits Grant 9,551,189 - Brady January 24, 2 | 2017-01-24 |
Polycrystalline diamond percussion drill bits using low thrust and torque for application with small diameter drill bits App 20140014412 - Brady; William J. | 2014-01-16 |
PCD Percussion Drill Bit App 20100025114 - Brady; William J. | 2010-02-04 |
Pcd Percussion Drill Bit App 20090184564 - Brady; William J. | 2009-07-23 |
Hard rock percussion drill bit with paraboloid PCD inserts Grant D574,403 - Brady August 5, 2 | 2008-08-05 |
Roof drilling system improvements Grant 7,392,866 - Brady July 1, 2 | 2008-07-01 |
Roof drilling improvements App 20070119624 - Brady; William J. | 2007-05-31 |
Roof Drilling System Improvements App 20070119625 - Brady; William J. | 2007-05-31 |
Heavy duty roof drill bit Grant D529,937 - Brady October 10, 2 | 2006-10-10 |
Diesel emissions control system and method App 20060218904 - Brady; William J. | 2006-10-05 |
Low emissions diesel system and method App 20060201145 - Brady; William J. | 2006-09-14 |
Heavy duty hard rock drill tool Grant D524,333 - Brady July 4, 2 | 2006-07-04 |
Hard rock drill tool Grant D516,104 - Brady February 28, 2 | 2006-02-28 |
Diesel emissions filtering system and method App 20060021337 - Brady; William J. | 2006-02-02 |
Rock drilling tool with ovate cutters Grant D514,131 - Brady January 31, 2 | 2006-01-31 |
Drill drive steel Grant 6,966,393 - Brady November 22, 2 | 2005-11-22 |
Drill drive steel App 20040238223 - Brady, William J. | 2004-12-02 |
Over-reamer drill tool for pilot bit Grant D487,753 - Brady March 23, 2 | 2004-03-23 |
Over-reamer drilling tool for pilot bit Grant D483,382 - Brady December 9, 2 | 2003-12-09 |
Over-reamer drilling tool for pilot bit Grant D483,042 - Brady December 2, 2 | 2003-12-02 |
Noise suppression drilling system Grant 6,427,782 - Brady August 6, 2 | 2002-08-06 |
Drilling system App 20010013428 - Brady, William J. | 2001-08-16 |
Rotary mining bit Grant D430,578 - Brady September 5, 2 | 2000-09-05 |
Rotary drilling systems Grant 6,092,612 - Brady July 25, 2 | 2000-07-25 |
Rotary mining bit Grant D424,579 - Brady May 9, 2 | 2000-05-09 |
Low volume air-water drilling systems and methods Grant 5,875,858 - Brady March 2, 1 | 1999-03-02 |
Roof drill bit with radial domed PCD inserts Grant 5,535,839 - Brady July 16, 1 | 1996-07-16 |
Methods for rock mining with non-coring rotary tools Grant 5,383,526 - Brady * January 24, 1 | 1995-01-24 |
Roof drill bit for mining machine Grant D351,174 - Brady October 4, 1 | 1994-10-04 |
Rotary mining tools Grant 5,303,787 - Brady * April 19, 1 | 1994-04-19 |
Roof drill bit for mining Grant D340,248 - Brady October 12, 1 | 1993-10-12 |
Rotary mining tools Grant 5,180,022 - Brady January 19, 1 | 1993-01-19 |
Method and composition for producing hard surface carbide insert tools Grant 4,682,987 - Brady , et al. July 28, 1 | 1987-07-28 |
Paint applicator Grant 3,970,396 - Brady July 20, 1 | 1976-07-20 |