Alan H. Walker
12Patents
8h-index
14Co-inventors
65Inventor score
Filing activity: Sep 16, 1985 → Oct 6, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5749277A | Cutting mechanism for receipt printer | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5887999A | Paper loading mechanism | Performing Operations; Transporting | 16 | Expired |
| US5074690A | Print head carriage homing system | Performing Operations; Transporting | 14 | Expired |
| US4632577A | Record media thickness compensating mechanism | Performing Operations; Transporting | 14 | Expired |
| US4850725A | Unidirectional ribbon drive mechanism | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5044797A | Device for connecting a timing belt to a printhead carriage | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4898487A | Print head carriage for matrix printer | Performing Operations; Transporting | 8 | Expired |
| US4655625A | Single station printer for printing on plural record media | Performing Operations; Transporting | 8 | Expired |
| US6155483A | Selective release MICR mechanism | Physics | 6 | Expired |
| US4818132A | Optical sensor protective member | Physics | 4 | Expired |
| US4867590A | Dot matrix print head carriage with swingable heat sink | Performing Operations; Transporting | 2 | Expired |
| US6085973A | Receipt printer having a check reading mechanism with selective engagement | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.