John E. Harrold
26Patents
14h-index
13Co-inventors
78Inventor score
Filing activity: Jun 21, 1993 → Sep 30, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6460693B1 | Child resistant blister pack container with compound action release mechanism | Performing Operations; Transporting | 117 | Expired |
| US6186367A | Metered liquid squeeze dispenser | Human Necessities | 116 | Expired |
| US6681945B1 | Child resistant overcap for oval container | Performing Operations; Transporting | 49 | Expired |
| US5431283A | Blister pack opener-ejector | Performing Operations; Transporting | 44 | Expired |
| US6631820B2 | Tamper-evident dispensing closure with partial breakaway cover | Performing Operations; Transporting | 44 | Expired |
| US6082565A | Child resistant cap with one-way ratchet and locking channel | Performing Operations; Transporting | 42 | Expired |
| US6726053B1 | Child resistant multiple dosage blister pack dispenser | Human Necessities | 33 | Expired |
| US5860572A | Side action vertical ratchet dispenser with reversible trigger | Performing Operations; Transporting | 32 | Expired |
| US5593065A | Metered dual dispenser cap for squeeze containers | Performing Operations; Transporting | 26 | Expired |
| US6662454B2 | Child resistant, disposable, premeasured dosage spoon | Human Necessities | 23 | Expired |
| US5356037A | Lift and drop ratchet stick dispenser | Performing Operations; Transporting | 22 | Expired |
| US6508793B1 | Invertible eye drop dispenser device | Human Necessities | 19 | Expired |
| US6758620B1 | Metered dose dispenser dabber device | Human Necessities | 16 | Expired |
| US5372285A | Vertical ratchet gel-like material dispenser with hinged trigger | Performing Operations; Transporting | 14 | Expired |
| US6854618B2 | Child resistant blister pack dispenser with multipositional push tabs | Human Necessities | 14 | Expired |
| US5738234A | Container insert for volume reduction and tablet stability | Performing Operations; Transporting | 13 | Expired |
| US5551607A | Dispensing cap with leveraged pivot trigger | Performing Operations; Transporting | 12 | Expired |
| US7726520B2 | Metered dispenser with feed-containing piston drive mechanism | Performing Operations; Transporting | 12 | Active |
| US6964336B2 | Child resistant container for applicator | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6419663B2 | Mechanically propelled, metered liquid dispenser | Performing Operations; Transporting | 9 | Expired |
| US7017782B2 | Child resistant safety cap for applicator tubes | Performing Operations; Transporting | 9 | Expired |
| US6413246B1 | Metered, mechanically propelled, liquid dispenser | Human Necessities | 9 | Expired |
| US8047406B2 | Push-botton metered dispenser with feed-containing piston drive mechanism | Performing Operations; Transporting | 3 | Active |
| US7857169B2 | Rectangular metered dispenser with feed-containing piston drive mechanism | Performing Operations; Transporting | 3 | Active |
| US7784646B2 | Screw-type metered dispenser with feed-containing piston drive mechanism | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.