JONATHAN SPENCE
13Patents
4h-index
36Co-inventors
60Inventor score
Filing activity: Aug 16, 1996 → Sep 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6007708A | Cold dense slurrying process for extracting bitumen from oil sand | Performing Operations; Transporting | 40 | Expired |
| US6391190B1 | Mechanical deaeration of bituminous froth | Chemistry; Metallurgy | 26 | Expired |
| US8550258B2 | Feedwell for a gravity separation vessel | Performing Operations; Transporting | 14 | Active |
| US5804077A | Increasing settling rate of fine solids in oil sand tailings | Performing Operations; Transporting | 8 | Expired |
| US9004294B2 | Feedwell for a gravity separation vessel | Performing Operations; Transporting | 3 | Active |
| US7727385B2 | Enhanced bitumen flotation | Performing Operations; Transporting | 2 | Active |
| US10712330B2 | Controlling bitumen recovery from an oil sands ore body by using a predictive ore processability model in producing a blended ore feedstock | Physics | 2 | Active |
| US9068124B2 | Post-conditioning oil sand slurry blending for improved extraction performance | Chemistry; Metallurgy | 2 | Active |
| US9656189B2 | Centrifuge process for dewatering oil sands tailings | Chemistry; Metallurgy | 0 | Active |
| US9371491B2 | Bitumen recovery from oil sands tailings | Chemistry; Metallurgy | 0 | Active |
| US12017159B2 | Feedwell for an inclined plate separator | Performing Operations; Transporting | 0 | Active |
| US8062511B2 | Primary froth recycle | Performing Operations; Transporting | 0 | Active |
| US9796930B2 | Bitumen production from single or multiple oil sand mines | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.