Portola Packaging, Inc.
🏢 View company profile →133Patents
10Active
133Granted
41Portfolio score
Filing activity: Oct 8, 1991 → Dec 29, 2010 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD584149S1 | Tear band closure for a container | General | 84 | Expired |
| USD547184S1 | Flip-top container closure | General | 81 | Expired |
| US5465876A | Container and closure resealable bottle cap with push pull closure | Performing Operations; Transporting | 75 | Expired |
| US5967352A | Interrupted thread cap structure | Performing Operations; Transporting | 70 | Expired |
| US6527133B1 | Multiple label liquid container | Performing Operations; Transporting | 69 | Expired |
| US6112923A | Tamper evident bottle cap | Performing Operations; Transporting | 66 | Expired |
| USD588915S1 | Dispensing closure for container | General | 60 | Expired |
| USD610454S1 | Dispensing closure | General | 60 | Expired |
| US5232125A | Non-spill bottle cap used with water dispensers | Performing Operations; Transporting | 56 | Expired |
| US5213224A | Snap-on, screw-off cap and container neck | Performing Operations; Transporting | 55 | Expired |
| US7735664B1 | Tapered thread structure | Performing Operations; Transporting | 52 | Active |
| US7261226B2 | Closure having rotatable spout and axially movable stem | Performing Operations; Transporting | 51 | Expired |
| US5913437A | Tamper evident bottle cap | Performing Operations; Transporting | 51 | Expired |
| US5415306A | Foil lined snap-on, screw-off closure and container neck | Performing Operations; Transporting | 48 | Expired |
| US5249695A | Spout fitment closure plug | Performing Operations; Transporting | 46 | Expired |
| US5687865A | Spill-reduction cap for fluid container | Performing Operations; Transporting | 45 | Expired |
| US5370270A | Non-spill bottle cap used with water dispensers | Performing Operations; Transporting | 44 | Expired |
| US6981602B2 | Tamper evident bottle cap | Performing Operations; Transporting | 44 | Expired |
| US5858141A | Method and apparatus to attach foil seals to necks | Performing Operations; Transporting | 43 | Expired |
| US5593055A | Snap-on, screw-off cap with tamper-evident skirt and container neck | Performing Operations; Transporting | 43 | Expired |
| US6484896B2 | Tamper evidencing closure | Performing Operations; Transporting | 43 | Expired |
| US6766916B2 | Tamper evidencing closure | Performing Operations; Transporting | 42 | Expired |
| US5810184A | Fitment having removable membrane | Performing Operations; Transporting | 40 | Expired |
| USD636672S1 | Dispensing closure | General | 40 | Expired |
| US5271519A | One-piece fitment and tethered plug with tamper-evident means | Performing Operations; Transporting | 40 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.