John Nighswander
9Patents
6h-index
41Co-inventors
59Inventor score
Filing activity: Jul 25, 2002 → Oct 22, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8293805B2 | Tracking feedstock production with micro scale gas-to-liquid units | Emerging Cross-Sectional Technologies | 60 | Active |
| US7062958B2 | Receptacle for sampling downhole | Physics | 28 | Expired |
| US7379819B2 | Reservoir sample chain-of-custody | Physics | 16 | Active |
| US7002142B2 | Determining dew precipitation and onset pressure in oilfield retrograde condensate | Physics | 16 | Expired |
| US7158887B2 | Fluids chain-of-custody | Physics | 11 | Expired |
| US8555969B2 | Methods and apparatus to change the mobility of formation fluids using thermal and non-thermal stimulation | Fixed Constructions | 8 | Active |
| US9068436B2 | Method and system for sampling multi-phase fluid at a production wellsite | Fixed Constructions | 5 | Active |
| US9618427B2 | Sampling separation module for subsea or surface application | Physics | 3 | Active |
| US12146406B2 | Fluid type identification from downhole fluid analysis using machine learning techniques | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.