Inventor · Sugar Land, TX, US

Derek Copold

6Patents
2h-index
12Co-inventors
44Inventor score

Filing activity: Dec 1, 2009 → Apr 8, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US8602115B2 Grip enhanced tractoring Fixed Constructions 17 Active
US8910720B2 Downhole tool with roller screw assembly Fixed Constructions 3 Active
US10781647B2 Downhole roller Fixed Constructions 1 Active
US10662712B2 Modular electro-mechanical assembly for downhole device Fixed Constructions 1 Active
US10907431B2 Fishing tool receiver with locking collar Fixed Constructions 0 Active
US10125545B2 Placement of stabilizers, standoffs, and rollers on a downhole tool string Fixed Constructions 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.