Darin H. Duphorne
17Patents
5h-index
17Co-inventors
59Inventor score
Filing activity: Jan 27, 1999 → Nov 29, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7775286B2 | Convertible downhole devices and method of performing downhole operations using convertible downhole devices | Fixed Constructions | 106 | Active |
| US6212265A | Method and apparatus for electronic mail notification | Electricity | 100 | Expired |
| US7490414B2 | Tape measure with extended standout | Physics | 24 | Active |
| US8424609B2 | Apparatus and method for controlling fluid flow between formations and wellbores | Emerging Cross-Sectional Technologies | 14 | Active |
| US8418769B2 | Tubular actuator and method | Emerging Cross-Sectional Technologies | 10 | Active |
| US8602658B2 | Spoolable signal conduction and connection line and method | Electricity | 4 | Active |
| US8251154B2 | Tubular system with selectively engagable sleeves and method | Fixed Constructions | 4 | Active |
| US8672041B2 | Convertible downhole devices | Fixed Constructions | 4 | Active |
| US9797218B2 | Wellbore systems with hydrocarbon leak detection apparatus and methods | Fixed Constructions | 2 | Active |
| US10024146B2 | System and method for reduction of an effect of a tube wave | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9512701B2 | Flow control devices including a sand screen and an inflow control device for use in wellbores | Fixed Constructions | 1 | Active |
| US9546530B2 | Convertible downhole devices | Fixed Constructions | 0 | Active |
| US10822896B2 | Bypass valve | Fixed Constructions | 0 | Active |
| US10502030B2 | Gravel pack system with alternate flow path and method | Fixed Constructions | 0 | Active |
| US10519737B2 | Place-n-perf | Fixed Constructions | 0 | Active |
| US9593572B2 | Apparatus and methods for leak detection in wellbores using nonradioactive tracers | Physics | 0 | Active |
| US10107065B2 | Through-tubing deployed annular isolation device and method | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.