CD

Christopher L. Drenth

LT Longyear Tm: 3 patents #1 of 10Top 10%
BI Bly Ip: 2 patents #1 of 4Top 25%
Overall (2017): #32,724 of 506,227Top 7%
5
Patents 2017

Issued Patents 2017

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9850723 Drill string components having multiple-thread joints Keith William Littlely 2017-12-26
9810029 Drill string components resistant to jamming Keith William Littlely 2017-11-07
9689222 Core drilling tools with external fluid pathways 2017-06-27
9546524 Handling and recovery devices for tubular members and associated methods Jeff Hogan, Anthony Lachance 2017-01-17
9540897 Overshot assembly and systems and methods of using same Anthony Lachance, George Iondov 2017-01-10