Per Eivind Gramme
12Patents
5h-index
10Co-inventors
59Inventor score
Filing activity: Nov 15, 1999 → Sep 15, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6691781B2 | Downhole gas/water separation and re-injection | Mechanical Engineering; Lighting; Heating | 85 | Expired |
| US6277286A | Method and device for the separation of a fluid in a well | Fixed Constructions | 39 | Expired |
| US7516794B2 | Pipe separator for the separation of fluids, particularly oil, gas and water | Performing Operations; Transporting | 20 | Expired |
| US7278543B2 | Device for separating multi-phase fluids | Performing Operations; Transporting | 20 | Expired |
| US7490671B2 | Pipe separator with improved separation | Electricity | 12 | Expired |
| US7901492B2 | Pipe separator inlet | Fixed Constructions | 4 | Active |
| US7617940B2 | Arrangement related to a separator for the cleaning of such separator | Fixed Constructions | 3 | Expired |
| US7730942B2 | Method and equipment for the reduction of multiple dispersions | Fixed Constructions | 2 | Active |
| US7559975B2 | Process for transforming gas/liquid flow into laminar or stratified flow | Performing Operations; Transporting | 1 | Active |
| US7611633B2 | Method and device for separation of a fluid, in particular oil, gas and water | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7803233B2 | Arrangement for the cleaning of a pipe separator | Fixed Constructions | 1 | Active |
| US8012347B2 | Device for separation of fluid, in particular oil, gas and water | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.