CD

Christopher L. Drenth

LT Longyear Tm: 54 patents #1 of 72Top 2%
BI Bly Ip: 17 patents #1 of 20Top 5%
GP Globaltech Corporation Pty: 5 patents #3 of 7Top 45%
VE Veracio: 3 patents #1 of 12Top 9%
BL Boart Longyear: 1 patents #6 of 24Top 25%
BH Boart Longyear International Holdings: 1 patents #3 of 8Top 40%
Overall (All Time): #24,929 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 25 most recent of 76 patents

Patent #TitleCo-InventorsDate
12139985 Continuous sampling drill bit Adrian Brubacher 2024-11-12
12134953 Core barrel head assembly Anthony Lachance, Vincent Primevert 2024-11-05
11976551 Devices, systems, and methods for wireless data acquisition during drilling operations Gordon Stewart, Brett James Wilkinson, Raymond Hill 2024-05-07
11898404 Drill string components having multiple-thread joints Keith William Littlely 2024-02-13
11746600 Continuous sampling drill bit Andrew Robert Corona 2023-09-05
11578552 Reverse-circulation drilling assemblies and methods of using same Anthony Lachance 2023-02-14
11499410 Devices, systems, and methods for wireless data acquisition during drilling operations Gordon Stewart, Brett James Wilkinson, Raymond Hill 2022-11-15
11466529 Core barrel head assembly with an integrated sample orientation tool and system for using same Gordon Stewart, Khaled Hejleh 2022-10-11
11268340 Overshot assembly and systems and methods of using same Anthony Lachance 2022-03-08
11213932 Diamond bodies and tools for gripping drill rods Kristian S. Drivdahl, Cody A. Pearce, Robert Andrew Corona, Anthony Lachance 2022-01-04
11162316 Reverse-circulation drilling assemblies and methods of using same Anthony Lachance 2021-11-02
10934786 Drill string components resistant to jamming Keith William Littlely 2021-03-02
10907413 Continuous sampling drill bit Robert Andrew Corona 2021-02-02
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
10626681 Drill rod having internally projecting portions Jeffrey Hogan 2020-04-21
10626676 Continuous sampling drill bit Robert Andrew Corona 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
10465463 Core barrel head assembly with an integrated sample orientation tool and system for using same Gordon Stewart, Khaled Hejleh 2019-11-05
10364618 Drill string components resistant to jamming Keith William Littlely 2019-07-30