David E. Allan
10Patents
7h-index
9Co-inventors
55Inventor score
Filing activity: Jul 23, 1976 → Feb 17, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4151070A | Staged slurry hydroconversion process | Chemistry; Metallurgy | 42 | Expired |
| US4519898A | Low severity delayed coking | Chemistry; Metallurgy | 20 | Expired |
| US4075258A | Isoparaffin olefin alkylation utilizing high intensity mixing | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4816136A | Low severity fluid coking | Chemistry; Metallurgy | 13 | Expired |
| US4534851A | Feed injection method to prevent coking on the walls of transfer line reactors | Chemistry; Metallurgy | 12 | Expired |
| US4492625A | Delayed coking process with split fresh feed | Chemistry; Metallurgy | 11 | Expired |
| US4501654A | Delayed coking process with split fresh feed and top feeding | Chemistry; Metallurgy | 8 | Expired |
| US4096199A | Process for regenerating fluorosulfuric acid catalyst | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4501820A | Method for the recovery of a tungsten-containing catalyst from coke containing nickel and vanadium | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4137149A | Slurry hydrogen treating processes | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.