Conroe, Texas
United States
6
2015-06-04
The entities that hold a legal rights for patent applications filed by inventor Ashby James R.:
James R. Ashby from Conroe, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Rotary drill bits with back-up cutting elements to optimize bit life
#2 | 2013-09-26System and method of configuring drilling tools utilizing a critical depth of cut control curve
#3 | 2013-09-12System and method of configuring drilling tools utilizing a critical depth of cut control curve
#4 | 2013-09-12System and method of constant depth of cut control of drilling tools
#5 | 2013-09-05System and method of constant depth of cut control of drilling tools
#6 | 2012-05-10System and method of improved depth of cut control of drilling tools
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