Placon Corporation
39Patents
21Active
39Granted
43Portfolio score
Filing activity: Feb 22, 1978 → Dec 20, 2022 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4986438A | Recloseable nesting tab container | Emerging Cross-Sectional Technologies | 99 | Expired |
| US4202464A | Recloseable container | Performing Operations; Transporting | 97 | Expired |
| US4917261A | Vacuum-formed container with u-shaped lock | Performing Operations; Transporting | 97 | Expired |
| US4739883A | Reclosable display package | Performing Operations; Transporting | 89 | Expired |
| US4570818A | Reclosable container with label bridge | Performing Operations; Transporting | 70 | Expired |
| US4930627A | Reclosable blister card display package | Performing Operations; Transporting | 65 | Expired |
| US5775516A | Blister package with pivotable door closure | Performing Operations; Transporting | 50 | Expired |
| US6330945A | Clamshell package with curved card | Performing Operations; Transporting | 47 | Expired |
| US5040680A | Dispensing container | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4602719A | Reclosable plastic container having improved opening release | Performing Operations; Transporting | 38 | Expired |
| USD682687S1 | Lid and upper regions of a container combination | General | 37 | Active |
| US4739900A | Reclosable dispenser package | Performing Operations; Transporting | 36 | Expired |
| US5819939A | Interconnecting blister package | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5012927A | Reclosable thermoformed blister card display package | Performing Operations; Transporting | 28 | Expired |
| US6047819A | Clam shell container with graphic insert | Performing Operations; Transporting | 26 | Expired |
| USD533451S1 | Upper portion of a food container lid | General | 24 | Expired |
| US5038936A | Thermoformed blister card display package with reclosable cover | Performing Operations; Transporting | 22 | Expired |
| US4475881A | Thermoforming of plastic sheet material | Performing Operations; Transporting | 22 | Expired |
| US9352886B2 | Trapped element security container | Performing Operations; Transporting | 17 | Active |
| US7823746B1 | Two-part plastic container | Performing Operations; Transporting | 13 | Active |
| US9676527B2 | Tamper resistant container | Performing Operations; Transporting | 10 | Active |
| USD964161S1 | Container base | General | 8 | Active |
| US10479580B1 | Process for separating package blister from cards for recycling | Performing Operations; Transporting | 8 | Active |
| US8617673B1 | Thermoformable heat-sealable PET sheet material | Emerging Cross-Sectional Technologies | 8 | Active |
| USD831481S1 | Container lid | General | 8 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.