Cesar Ovalles
25Patents
6h-index
38Co-inventors
69Inventor score
Filing activity: Oct 29, 1991 → Feb 28, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5891829A | Process for the downhole upgrading of extra heavy crude oil | Fixed Constructions | 65 | Expired |
| US6171479A | Microwave heated catalyst and process | Performing Operations; Transporting | 16 | Expired |
| US5269909A | Process for treating heavy crude oil | Chemistry; Metallurgy | 14 | Expired |
| US6017845A | Microwave heated catalyst and process | Performing Operations; Transporting | 12 | Expired |
| US9670760B2 | Process for in situ upgrading of a heavy hydrocarbon using asphaltene precipitant additives | Fixed Constructions | 8 | Active |
| US9284826B2 | Oil extraction using radio frequency heating | Fixed Constructions | 8 | Active |
| US9671384B2 | Low volume in-line filtration method for evaluation of asphaltenes for hydrocarbon-containing feedstock | Physics | 5 | Active |
| US9127213B2 | Method for predicting catalyst performance | Physics | 5 | Active |
| US9255043B2 | Liquid crude hydrocarbon composition | Emerging Cross-Sectional Technologies | 4 | Active |
| US9739125B2 | Method for upgrading in situ heavy oil | Chemistry; Metallurgy | 4 | Active |
| US9921203B2 | Method for predicting sediment content of a hydroprocessed hydrocarbon product | Physics | 3 | Active |
| US5321187A | Catalyst for the direct conversion of methane to higher hydrocarbons and method for the preparation of same | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10184330B2 | Antenna operation for reservoir heating | Electricity | 2 | Active |
| US10137486B1 | Systems and methods for thermal treatment of contaminated material | Performing Operations; Transporting | 1 | Active |
| US9539455B2 | Method for soil treatment | Electricity | 1 | Active |
| US9921205B2 | Method for determining the effectiveness of asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and presssure conditions | Physics | 1 | Active |
| US10975291B2 | Method of selection of asphaltene precipitant additives and process for subsurface upgrading therewith | Fixed Constructions | 0 | Active |
| US10865629B2 | Antenna operation for reservoir heating | Electricity | 0 | Active |
| US9028680B2 | Method and system for processing viscous liquid crude hydrocarbons | Emerging Cross-Sectional Technologies | 0 | Active |
| US10907473B2 | Low volume in-line filtration methods for analyzing hydrocarbon-containing fluid to evaluate asphaltene content and behavior during production operations | Fixed Constructions | 0 | Active |
| US12299863B2 | Coke morphology by image segmentation | Physics | 0 | Active |
| US5212139A | Catalyst for the direct conversion of methane to higher hydrocarbons and method for the preparation of same | Emerging Cross-Sectional Technologies | 0 | Expired |
| US10865628B2 | Antenna operation for reservoir heating | Electricity | 0 | Active |
| US10704371B2 | Low dielectric zone for hydrocarbon recovery by dielectric heating | Fixed Constructions | 0 | Active |
| US12208297B2 | Systems and methods for treating contaminated solid material | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.