Conroe, Texas
United States
6
2016-12-01
The entities that hold a legal rights for patent applications filed by inventor Yu Jiaqing:
Jiaqing Yu from Conroe, US has applied for patents for these inventions. The list has both pending applications and granted patents:
HYBRID DRILL BIT
#2 | 2014-12-04HYBRID BIT WITH ROLLER CONES NEAR THE BIT AXIS
#3 | 2014-11-27Rolling cutter
#4 | 2014-09-18CUTTING ELEMENT WITH IMPROVED SUBSTRATE MATERIAL
#5 | 2014-04-24Methods for designing fixed cutter bits and bits made using such methods
#6 | 2012-11-01Methods of attaching rolling cutters in fixed cutter bits using sleeve, compression spring, and/or pin(s)/ball(s)
732896 ⎘