Donald H. Powers
22Patents
13h-index
7Co-inventors
74Inventor score
Filing activity: Dec 22, 1980 → Mar 31, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6743961B2 | Olefin production utilizing whole crude oil | Chemistry; Metallurgy | 95 | Expired |
| US7019187B2 | Olefin production utilizing whole crude oil and mild catalytic cracking | Chemistry; Metallurgy | 78 | Expired |
| US7550642B2 | Olefin production utilizing whole crude oil/condensate feedstock with enhanced distillate production | Chemistry; Metallurgy | 66 | Active |
| US6979757B2 | Olefin production utilizing whole crude oil and mild controlled cavitation assisted cracking | Chemistry; Metallurgy | 61 | Expired |
| US7404889B1 | Hydrocarbon thermal cracking using atmospheric distillation | Chemistry; Metallurgy | 52 | Active |
| US5648585A | Process for isomerizing linear olefins to isoolefins | Emerging Cross-Sectional Technologies | 51 | Expired |
| US7374664B2 | Olefin production utilizing whole crude oil feedstock | Chemistry; Metallurgy | 47 | Active |
| US7858834B2 | Olefin production utilizing a feed containing condensate and crude oil | Chemistry; Metallurgy | 44 | Active |
| US7396449B2 | Olefin production utilizing condensate feedstock | Chemistry; Metallurgy | 42 | Active |
| US4434541A | Electromagnetic shielding | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4507359A | Electromagnetic shielding | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6323384A | Process for isomerizing linear olefins to isoolefins | Chemistry; Metallurgy | 18 | Expired |
| US6111160A | Process for isomerizing linear olefins to isoolefins | Chemistry; Metallurgy | 15 | Expired |
| US5674606A | Electrically conductive flame retardant materials and methods of manufacture | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4769280A | Electromagnetic shielding | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6872862B2 | Propylene production | Chemistry; Metallurgy | 11 | Expired |
| US7074976B2 | Propylene production | Chemistry; Metallurgy | 8 | Expired |
| US7041862B2 | Thermal cracking of Diels-Alder adducts | Chemistry; Metallurgy | 2 | Expired |
| US6768038B2 | Alpha olefin production | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6888038B2 | Enhanced production of light olefins | Chemistry; Metallurgy | 1 | Expired |
| US7572366B2 | Method for processing natural gasoline | Chemistry; Metallurgy | 1 | Active |
| US8721872B2 | Processing of acid containing hydrocarbons | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.