Gerald Heisig
10Patents
4h-index
22Co-inventors
56Inventor score
Filing activity: Feb 11, 2004 → Nov 10, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7503403B2 | Method and apparatus for enhancing directional accuracy and control using bottomhole assembly bending measurements | Fixed Constructions | 48 | Expired |
| US7650241B2 | Use of the dynamic downhole measurements as lithology indicators | Fixed Constructions | 32 | Active |
| US8011450B2 | Active bottomhole pressure control with liner drilling and completion systems | Fixed Constructions | 22 | Active |
| US7591314B2 | Measurement-while-fishing tool devices and methods | Fixed Constructions | 12 | Expired |
| US10018004B2 | Method and apparatus for casing entry | Fixed Constructions | 2 | Active |
| US9523244B2 | Drill bit for a drilling apparatus | Fixed Constructions | 1 | Active |
| US9598906B2 | Method and apparatus for vibrating horizontal drill string to improve weight transfer | Fixed Constructions | 0 | Active |
| US9200510B2 | System and method for estimating directional characteristics based on bending moment measurements | Fixed Constructions | 0 | Active |
| US9915099B2 | Drill bit for a drilling apparatus | Fixed Constructions | 0 | Active |
| US9093875B2 | Downhole apparatus for electrical power generation from shaft flexure | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.