Mark E. Ehrhardt
7Patents
5h-index
16Co-inventors
60Inventor score
Filing activity: Aug 10, 1988 → Mar 6, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6668943B1 | Method and apparatus for controlling pressure and detecting well control problems during drilling of an offshore well using a gas-lifted riser | Fixed Constructions | 99 | Expired |
| US4846780A | Centrifuge processor and liquid level control system | Performing Operations; Transporting | 94 | Expired |
| US6102843A | Flow enhanced one-pass centrifuge separator | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6578637B1 | Method and system for storing gas for use in offshore drilling and production operations | Fixed Constructions | 14 | Expired |
| US7836840B2 | Subsea cryogenic fluid transfer system | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US8959931B2 | Transporting and managing liquefied natural gas | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11528837B2 | Real-time agricultural recommendations using weather sensing on equipment | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.