Daniel Coombs
43Patents
9h-index
27Co-inventors
75Inventor score
Filing activity: Jul 22, 1980 → Feb 12, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4885080A | Process for demetallizing and desulfurizing heavy crude oil | Chemistry; Metallurgy | 260 | Expired |
| US4482453A | Supercritical extraction process | Chemistry; Metallurgy | 43 | Expired |
| US4557823A | Hydrofining process for hydrocarbon containing feed streams | Chemistry; Metallurgy | 37 | Expired |
| US4670134A | Catalytic hydrofining of oil | Chemistry; Metallurgy | 33 | Expired |
| US4560468A | Hydrofining process for hydrocarbon containing feed streams | Chemistry; Metallurgy | 31 | Expired |
| US4548711A | Solvent extraction | Performing Operations; Transporting | 19 | Expired |
| US4298456A | Oil purification by deasphalting and magneto-filtration | Chemistry; Metallurgy | 13 | Expired |
| US4518484A | Metals removal with a light hydrocarbon and an organophosphorous compound | Chemistry; Metallurgy | 10 | Expired |
| US4578180A | Hydrofining process for hydrocarbon containing feed streams | Chemistry; Metallurgy | 10 | Expired |
| US4612110A | Hydrofining process for hydrocarbon containing feed streams | Chemistry; Metallurgy | 9 | Expired |
| US4582594A | Hydrofining process for hydrocarbon containing feed streams | Chemistry; Metallurgy | 6 | Expired |
| US11294916B2 | Facilitating query executions via multiple modes of resultant correctness | Physics | 6 | Active |
| US4761222A | Method for separating normally liquid organic compounds | Chemistry; Metallurgy | 6 | Expired |
| US11061910B1 | Servicing concurrent queries via virtual segment recovery | Emerging Cross-Sectional Technologies | 5 | Active |
| US4600504A | Hydrofining process for hydrocarbon containing feed streams | Chemistry; Metallurgy | 5 | Expired |
| US4671866A | Hydrodemetallization of oils | Performing Operations; Transporting | 4 | Expired |
| US4680105A | Hydrodemetallization of oils with catalysts comprising nickel phosphate and titanium phosphate | Emerging Cross-Sectional Technologies | 4 | Expired |
| US11983114B2 | Accessing both replication based storage and redundancy coding based storage for query execution | Physics | 3 | Active |
| US11586625B2 | Maintaining an unknown purpose data block cache in a database system | Electricity | 2 | Active |
| US4705768A | Coprecipitate of metal phosphates | Performing Operations; Transporting | 2 | Expired |
| US11238041B2 | Facilitating query executions via dynamic data block routing | Electricity | 2 | Active |
| US11297123B1 | Fault-tolerant data stream processing | Electricity | 1 | Active |
| US7341112B2 | Firefighting training fluid and method for making same | Chemistry; Metallurgy | 1 | Expired |
| US11822532B2 | Per-segment secondary indexing in database systems | Physics | 1 | Active |
| US11599463B2 | Servicing queries during data ingress | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.