Robert E. Hazard
14Patents
13h-index
2Co-inventors
68Inventor score
Filing activity: Mar 20, 1972 → Aug 29, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4625898A | Dispensing closure employing living hinge with cams to momentarily deform hinge and recesses to accept cams | Performing Operations; Transporting | 89 | Expired |
| US4377247A | Dispensing closure employing living hinge | Performing Operations; Transporting | 80 | Expired |
| US4220248A | Closure with hinged lid and cam and spring elements holding lid open or closed | Performing Operations; Transporting | 65 | Expired |
| US5409146A | Dispensing pump with positive shut-off | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4124151A | Toggle type dispensing closure | Performing Operations; Transporting | 51 | Expired |
| US6755327B1 | Dispensing pump with deformable pump wall and positive shut-off | Performing Operations; Transporting | 47 | Expired |
| US3977557A | Container-closure structure employing fitment to prevent closure removal | Performing Operations; Transporting | 29 | Expired |
| US4081113A | Child resistant dispensing closure | Performing Operations; Transporting | 27 | Expired |
| US4047643A | Safety dispensing closure with movable retainer | Performing Operations; Transporting | 25 | Expired |
| US4282991A | Dispensing closure seals | Performing Operations; Transporting | 24 | Expired |
| US4219138A | Dispensing closure utilizing a sealing element supported by a washer spring | Performing Operations; Transporting | 22 | Expired |
| US3957181A | Child resistant dispensing closure | Performing Operations; Transporting | 20 | Expired |
| US4081108A | Tamper evident one-piece dispensing closures | Performing Operations; Transporting | 16 | Expired |
| US3967764A | Child-resistant closures with limited spout accessibility | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.