Conroe, Texas
United States
6
2014-06-05
The entities that hold a legal rights for patent applications filed by inventor Blackman Mark P.:
Mark P. Blackman from Conroe, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Hybrid drill bit
#2 | 2012-05-10System and method for adjusting roller cone profile on hybrid bit
#3 | 2010-11-18Hybrid drill bit
#4 | 2007-11-15Roller Cone Drill Bit With Enhanced Debris Diverter Grooves
#5 | 2007-08-23Roller cone drill bit with debris flow paths through associated support arms
#6 | 2007-08-23Roller cone drill bit with debris diverter plugs
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