Inventor · Calgary, AB, CA

Doug Brunskill

7Patents
4h-index
9Co-inventors
50Inventor score

Filing activity: Feb 5, 2004 → Nov 20, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7410003B2 Dual purpose blow out preventer Fixed Constructions 38 Active
US7086486B2 Flow control valve and method of controlling rotation in a downhole tool Fixed Constructions 20 Expired
US9970262B2 Downhole valve apparatus Fixed Constructions 7 Active
US10180046B2 Downhole flow control apparatus with screen Fixed Constructions 5 Active
US12006803B2 Systems and methods for producing hydrocarbon material from unconsolidated formations Fixed Constructions 0 Active
US11867025B2 Downhole flow controller Fixed Constructions 0 Active
US12371969B2 Downhole flow controller Fixed Constructions 0 Active

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