Inventor · Cypress, TX, US

Daniel S. Matthews

7Patents
5h-index
8Co-inventors
52Inventor score

Filing activity: Mar 5, 2001 → Oct 4, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US9810036B2 Pressure actuated frack ball releasing tool Fixed Constructions 16 Active
US9650857B2 Method of selective release of an object to a seat on a frack plug from immediately adjacent the frack plug Fixed Constructions 15 Active
US9593560B2 Method of recovery of an occluding object for a frack plug in the event of gun misfire Fixed Constructions 14 Active
USD495876S1 Pocket handbag General 9 Expired
US9212547B2 Monitoring device for plug assembly Fixed Constructions 6 Active
US9359887B2 Recoverable data acquisition system and method of sensing at least one parameter of a subterranean bore Emerging Cross-Sectional Technologies 3 Active
US10443338B2 Pressure actuated frack ball releasing tool Fixed Constructions 2 Active

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