Dwayne P. Terracina
18Patents
7h-index
24Co-inventors
62Inventor score
Filing activity: Mar 22, 2001 → Nov 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8776912B2 | Secondary cutting structure | Emerging Cross-Sectional Technologies | 14 | Active |
| US8550188B2 | Downhole reamer asymmetric cutting structures | Fixed Constructions | 13 | Active |
| US7188682B2 | Multi-stage diffuser nozzle | Fixed Constructions | 12 | Expired |
| US6763902B2 | Rockbit with attachable device for improved cone cleaning | Fixed Constructions | 12 | Expired |
| US7213661B2 | Dual property hydraulic configuration | Fixed Constructions | 9 | Expired |
| US7325632B2 | Nozzle bore for PDC bits | Fixed Constructions | 9 | Active |
| US8863843B2 | Hydraulic actuation of a downhole tool assembly | Fixed Constructions | 7 | Active |
| US7252164B2 | Cutting structure based hydraulics | Fixed Constructions | 5 | Expired |
| US8770321B2 | Downhole reamer asymmetric cutting structures | Fixed Constructions | 5 | Active |
| US7694608B2 | Method of manufacturing a matrix body drill bit | Fixed Constructions | 3 | Active |
| US7040423B2 | Nozzle bore for high flow rates | Fixed Constructions | 3 | Expired |
| US8783386B2 | Stabilizing members for fixed cutter drill bit | Fixed Constructions | 1 | Active |
| US9145740B2 | Stabilizing members for fixed cutter drill bit | Fixed Constructions | 1 | Active |
| US8961019B2 | Flow control through thrust bearing assembly | Emerging Cross-Sectional Technologies | 1 | Active |
| US8881850B2 | Cutter pocket design | Fixed Constructions | 0 | Active |
| US10669793B2 | Drillable latching plug | Fixed Constructions | 0 | Active |
| US10900306B2 | Systems and methods for reducing bit damage in a landing tool | Fixed Constructions | 0 | Active |
| US7703354B2 | Method of forming a nozzle retention body | Fixed Constructions | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.