John Pennington
7Patents
3h-index
7Co-inventors
50Inventor score
Filing activity: Jul 19, 1976 → Jan 27, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5186526A | One-piece crawler pad | Performing Operations; Transporting | 48 | Expired |
| US5108153A | Elevated roadway for continuous haulage unit | Performing Operations; Transporting | 3 | Expired |
| US4086267A | Cobalt-catalyzed oxidation of C.sub.3 to C.sub.7 saturated aliphatic hydrocarbons to oxygenated products including acetic acid | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5190147A | Tensioning car for flexible continuous tram | Performing Operations; Transporting | 3 | Expired |
| US5123709A | Hydraulic aligner device for flexible continuous tram mining machine | Fixed Constructions | 0 | Expired |
| US4851569A | Continuous process for the production of methyl formate by the chromium catalyzed liquid phase oxidation of methanol | Chemistry; Metallurgy | 0 | Expired |
| US11992154B2 | Griddle with improved upper platen | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.