Inventor · Tulsa, OK, US

Thad D. Andrews

2Patents
2h-index
6Co-inventors
27Inventor score

Filing activity: Mar 25, 2008 → Jul 29, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US7967074B2 Electric wireline insert safety valve Fixed Constructions 16 Active
US8113286B2 Downhole barrier valve Fixed Constructions 5 Active

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