Robert W. Sundquist
7Patents
6h-index
12Co-inventors
52Inventor score
Filing activity: Mar 9, 2000 → Feb 26, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6371221B1 | Coring bit motor and method for obtaining a material core sample | Fixed Constructions | 40 | Expired |
| US7581440B2 | Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation | Fixed Constructions | 22 | Active |
| US6769296B2 | Apparatus and method for measuring formation pressure using a nozzle | Fixed Constructions | 16 | Expired |
| US6412575B1 | Coring bit and method for obtaining a material core sample | Fixed Constructions | 15 | Expired |
| US6729416B2 | Method and apparatus for retaining a core sample within a coring tool | Fixed Constructions | 15 | Expired |
| US7431107B2 | Coring bit with uncoupled sleeve | Fixed Constructions | 11 | Expired |
| US7779684B2 | Apparatus and methods to perform downhole measurements associated with subterranean formation evaluation | Fixed Constructions | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.