Inventor · Norwich, GB

Mark Dwayne Boyd

4Patents
3h-index
2Co-inventors
40Inventor score

Filing activity: Sep 23, 1997 → Oct 6, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5979572A Flow control tool Fixed Constructions 22 Expired
US7478673B2 Frac head including a mixing chamber Fixed Constructions 22 Active
US6095243A Washout arrangement for a well Fixed Constructions 7 Expired
US7533732B2 Dual entry apparatus for a subterranean borehole Fixed Constructions 3 Active

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