W. Robert Epperly
8Patents
8h-index
7Co-inventors
54Inventor score
Filing activity: Jan 27, 1989 → Feb 14, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5645756A | Hardness suppression in urea solutions | Chemistry; Metallurgy | 75 | Expired |
| US6003303A | Methods for reducing harmful emissions from a diesel engine | Emerging Cross-Sectional Technologies | 61 | Expired |
| US5034020A | Method for catalyzing fuel for powering internal combustion engines | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5266083A | Method for reducing pollution emissions from a diesel engine | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5047219A | Hybrid process for nitrogen oxides reduction | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5749928A | Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5215652A | Method for regenerating, replacing or treating the catalyst in a hydroprocessing reactor | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5441713A | Hardness suppression in urea solutions | Chemistry; Metallurgy | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.