Christopher L. Drenth — 10 Patents at Longyear Tm

Issued Patents 2020

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date
10830013	Core barrel head assembly with an integrated sample orientation tool and system for using same	Gordon Stewart, Khaled Hejleh	2020-11-10
10689919	Systems and methods for releasing a portion of a drill string from a drilled cable	Anthony Lachance, Michel Lauzon	2020-06-23
10633943	Braking devices for drilling operations, and systems and methods of using same	George Iondov, Martin Romeo Savoie	2020-04-28
10626692	Overshot assembly and systems and methods of using same	Anthony Lachance	2020-04-21
10626684	Handling and recovery devices for tubular members and associated methods	Jeff Hogan, Anthony Lachance	2020-04-21
10626676	Continuous sampling drill bit	Robert Andrew Corona	2020-04-21
10626681	Drill rod having internally projecting portions	Jeffrey Hogan	2020-04-21
10612308	Core lifter	Hongyan Zhang	2020-04-07
10570676	Drill string components having multiple-thread joints	Keith William Littlely	2020-02-25
10557316	Drill string components having multiple-thread joints	—	2020-02-11