Petrospec Engineering Inc.
8Patents
7Active
8Granted
45Portfolio score
Filing activity: Nov 28, 2005 → Mar 23, 2016 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7290601B2 | Braided thermocouple cable bundle | Electricity | 13 | Expired |
| US7561776B2 | Method of preventing hydrogen darkening of optic fibre | Physics | 9 | Active |
| US8915303B2 | Method and apparatus for installing and removing an electric submersible pump | Fixed Constructions | 4 | Active |
| US10260489B2 | Method of supplying fluid to a submersible pump | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10087728B2 | Method and apparatus for installing and removing an electric submersible pump | Fixed Constructions | 0 | Active |
| US10934822B2 | Low-pressure method and apparatus of producing hydrocarbons from an underground formation using electric resistive heating and solvent injection | Fixed Constructions | 0 | Active |
| US9696135B2 | Method for analyzing nested optical cavities | Physics | 0 | Active |
| US9920594B2 | Method and apparatus for supporting cables within coil tubing | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.