John Ratulowski
12Patents
6h-index
48Co-inventors
62Inventor score
Filing activity: Jun 19, 2003 → Sep 21, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6959588B2 | Couette device and method to study solids deposition from flowing fluids | Physics | 14 | Expired |
| US7933018B2 | Spectral imaging for downhole fluid characterization | Physics | 13 | Expired |
| US7158887B2 | Fluids chain-of-custody | Physics | 11 | Expired |
| US8380446B2 | System and method for determining the phase envelope of a gas condensate | Performing Operations; Transporting | 8 | Active |
| US8825408B2 | Using models for equilibrium distributions of asphaltenes in the prescence of GOR gradients to determine sampling procedures | Fixed Constructions | 7 | Active |
| US7150183B2 | Compositional characterization and quantification of solid deposits from hydrocarbon fluids | Physics | 6 | Expired |
| US10895544B2 | Measurement of liquid parameters using a microfluidic device | Physics | 3 | Active |
| US9689858B2 | Method and apparatus for measuring asphaltene onset conditions and yields of crude oils | Physics | 2 | Active |
| US9869624B2 | Method and apparatus for characterizing interfacial tension between two immiscible or partially miscible fluids | Physics | 2 | Active |
| US10465483B2 | Digital core sensitivity analysis | Physics | 1 | Active |
| US11684917B2 | Microfluidic technique for detection of multi-contact miscibility | Fixed Constructions | 0 | Active |
| US11118428B2 | Construction of digital representation of complex compositional fluids | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.