Calgary
Canada
14
2022-12-08
The entities that hold a legal rights for patent applications filed by inventor Hunter Douglas A.:
Douglas A. Hunter from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Mat washing system
#2 | 2016-10-06Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
#3 | 2015-10-22METHODS AND APPARATUS FOR AUTOMATED OILFIELD TORQUE WRENCH SET-UP TO MAKE-UP AND BREAK-OUT TUBULAR STRINGS
#4 | 2013-11-14Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
#5 | 2012-03-08Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
#6 | 2012-02-02Pipe-handling apparatus and methods
#7 | 2011-02-24Pipe-handling apparatus and methods
#8 | 2009-10-08Pipe-handling apparatus and methods
#9 | 2009-09-03Apparatus for automated oilfield torque wrench set-up to make-up and break-out tubular strings
#10 | 2009-08-27Oilfield tubular torque wrench
#11 | 2009-08-20Oilfield tubular torque wrench
#12 | 2009-08-06Pipe handling apparatus and methods
#13 | 2008-03-13Oilfield tubular spin-in and spin-out detection for making-up and breaking-out tubular strings
#14 | 2006-12-21Pipe-handling apparatus
523668 ⎘