Porter, Texas
United States
10
2020-01-02
The entities that hold a legal rights for patent applications filed by inventor Johnson Charles Daniel:
Charles Daniel Johnson from Porter, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Fixed cutter completions bit
#2 | 2015-09-17SHORT MATRIX DRILL BITS AND METHODOLOGIES FOR MANUFACTURING SHORT MATRIX DRILL BITS
#3 | 2015-08-27MANUFACTURE OF LOW COST BITS BY INFILTRATION OF METAL POWDERS
#4 | 2015-07-30USE OF TUNGSTEN CARBIDE TUBE ROD TO HARD-FACE PDC MATRIX
#5 | 2014-10-02METHODOLOGIES FOR MANUFACTURING SHORT MATRIX BITS
#6 | 2014-06-12Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools
#7 | 2014-04-17Method for applying hardfacing to a matrix substrate of a drill bit
#8 | 2013-12-26Methods to repair worn or eroded PDC cutters, cutters so repaired, and use of repaired PDC cutters in drill bits or other tools
#9 | 2013-08-15Method for repairing or reinforcing cutter pockets of a drill bit
#10 | 2013-04-18Use of tungsten carbide tube rod to hard-face PDC matrix
192095 ⎘