Harold A. Walker
6Patents
3h-index
—Co-inventors
44Inventor score
Filing activity: Jul 15, 1988 → Apr 23, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5772390A | Coal loading system and method | Physics | 97 | Expired |
| US7411136B2 | Multiple batch system and method for loading railcars of a wide range of capacities and designs | Physics | 4 | Active |
| US6155767A | Three-batch coal loadout system and method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9365370B2 | Bulk material storage and reclaim system | Performing Operations; Transporting | 3 | Active |
| US4954036A | Variable height silo charge system | Performing Operations; Transporting | 2 | Expired |
| USRE37062E | Coal loading system and method | General | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.