Provo, Utah
United States
10
2008-12-25
John Bailey from Provo, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Stiffened blade for shear-type drill bit
#2 | 2008-07-24Drill bit
#3 | 2008-07-17Carbide stem press fit into a steel body of a pick
#4 | 2008-07-03Downhole hammer assembly
#5 | 2008-06-19Downhole hammer assembly
#6 | 2008-06-19Wear resistant assembly
#7 | 2008-04-17Percussive drill bit
#8 | 2008-02-21Replaceable segmented wear liner
#9 | 2008-02-07Indenting member for a drill bit
#10 | 2007-09-27Jack element with a stop-off
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