Rampart Packaging Inc.
17Patents
0Active
17Granted
32Portfolio score
Filing activity: Dec 16, 1985 → Sep 21, 1990
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4844270A | Screw cap jar | Performing Operations; Transporting | 59 | Expired |
| USD313556S | Container | General | 55 | Expired |
| USD296640S | Bowl | General | 50 | Expired |
| US4999254A | Increased regrind use in coextruded structures | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5032213A | Thermal lid sealing method and apparatus | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5003002A | Blends of amorphous nylon and ethylene vinyl alcohol copolymers and laminates and containers made therefrom | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4778551A | Minimal scrap loss method for making containers | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5034074A | Method for formation of a peelable lid | Performing Operations; Transporting | 16 | Expired |
| US4964205A | Method for making screw cap jar | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4790972A | Method for stacking billets and thermoforming | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4894291A | Increased regrind usage in coextruded structures | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4948441A | Method and apparatus for fabrication of an openable container lid | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4883633A | Process and apparatus for production of articles with selectively thinned portions using a multi-radius forming plug | Performing Operations; Transporting | 9 | Expired |
| US4810457A | Method of blow molding on thermoforming a plastic hardskin/softcore multilayer sheet material | Performing Operations; Transporting | 7 | Expired |
| US4883190A | Thermoplastic bellows lid for thermoplastic containers | Performing Operations; Transporting | 7 | Expired |
| US4830559A | Self lubricating nut | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4798750A | Retortable containers with exterior modified polystyrene cap layer | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.