DG

Dallas Laird Greenwood

KH Katch Kan Holdings: 20 patents #2 of 4Top 50%
📍 Edmonton, CA: #46 of 2,912 inventorsTop 2%
Overall (All Time): #208,256 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10494903 Junk basket and related combinations and methods Quinn A. J. Holtby 2019-12-03
10458205 Removable hand guard for drilling rig hand tongs Quinn A. J. Holtby 2019-10-29
10294740 Well fluid containment device with safety mechanism Quinn A. J. Holtby 2019-05-21
10174576 Well string stripper and stabilizer Quinn A. J. Holtby 2019-01-08
10174591 Junk basket and related combinations and methods Quinn A. J. Holtby 2019-01-08
10107063 Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells Quinn A. J. Holtby 2018-10-23
10100585 Pipe mat and method for using same for collecting fluids draining from drill pipe Quinn A. J. Holtby 2018-10-16
D813474 Washing apparatus Quinn A. J. Holtby 2018-03-20
9784065 Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells Quinn A. J. Holtby 2017-10-10
9713829 Washing apparatus Quinn A. J. Holtby 2017-07-25
9695643 Pipe mat and method for using same for collecting fluids draining from drill pipe Quinn A. J. Holtby 2017-07-04
9689217 Apparatus and method for containing fluid or gas released from a pipe Quinn A. J. Holtby 2017-06-27
9632512 Well containment device Quinn A. J. Holtby 2017-04-25
9488295 Line pipe tray Quinn A. J. Holtby 2016-11-08
9353580 Pipe mat and method for using same for collecting fluids draining from drill pipe Quinn A. J. Holtby 2016-05-31
D744063 Well containment device Quinn A. J. Holtby 2015-11-24
8910803 Line pipe tray Quinn A. J. Holtby 2014-12-16
D718610 Tubing tray Quinn A. J. Holtby 2014-12-02
D716071 Pipe mat Quinn A. J. Holtby 2014-10-28
D715623 Heavy duty line pipe tray Quinn A. J. Holtby 2014-10-21
8613373 Tubing tray and method for using same for collecting fluids draining from drill pipe Quinn A. J. Holtby 2013-12-24