Draper, Utah
United States
20
2014-07-03
The entities that hold a legal rights for patent applications filed by inventor Drenth Christopher L.:
Christopher L. Drenth from Draper, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Engineered Materials for Drill Rod Applications
#2 | 2014-04-17Drill string components having multiple-thread joints
#3 | 2014-02-27Latch body components having multiple functions, and drilling head assembly incorporating same
#4 | 2013-11-28Core drilling tools with retractably lockable driven latch mechanisms
#5 | 2013-08-29DRILL STRING COMPONENTS RESISTANT TO JAMMING
#6 | 2013-08-29INTERNAL TUBING CUTTER
#7 | 2013-05-02High productivity core drilling system
#8 | 2012-11-01Drill string components resistant to jamming
#9 | 2011-08-18Core barrel assemblies with braking devices
#10 | 2011-08-18Methods of braking core barrel assemblies
#11 | 2011-06-02Helical drilling apparatus, systems, and methods
#12 | 2011-05-05Core lifter
#13 | 2011-04-14Core drilling tools with external fluid pathways
#14 | 2011-04-07Core drilling tools with retractably lockable driven latch mechanisms
#15 | 2011-04-07Driven latch mechanism
#16 | 2011-04-07Pump-in seal
#17 | 2010-09-30Helical drilling apparatus, systems, and methods
#18 | 2010-05-27Hydro-percussive mechanisms for drilling systems
#19 | 2009-11-19Jointed spearhead assembly
#20 | 2009-10-22Braking devices for use in drilling operations
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