Crown Cork
15Patents
0Active
15Granted
30Portfolio score
Filing activity: Feb 5, 1988 → Jan 13, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6006930A | Bottle finish and closure cap with double screw thread | Performing Operations; Transporting | 124 | Expired |
| US5725115A | Closure cap with tether | Performing Operations; Transporting | 72 | Expired |
| US5715959A | Closure cap with anti-tamper ring | Performing Operations; Transporting | 40 | Expired |
| US5871111A | Screwable closure cap with security against over-tightening | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5803286A | Plastic closure cap with early venting inner seal | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5197621A | Screw cap made of plastics material | Performing Operations; Transporting | 30 | Expired |
| US5775527A | Closure cap with anti-tamper strip | Performing Operations; Transporting | 23 | Expired |
| US5248050A | Cap having expandable guarantee strip | Performing Operations; Transporting | 20 | Expired |
| US4784280A | Sealing cap with a safety band | Performing Operations; Transporting | 18 | Expired |
| US5074425A | Plastic closure cap | Performing Operations; Transporting | 13 | Expired |
| US5836468A | Plastic snap closure with anti-tamper strip and method of its manufacture | Performing Operations; Transporting | 11 | Expired |
| US5893474A | Screw cap with anti-tamper strip | Performing Operations; Transporting | 9 | Expired |
| US5848717A | Snap-on seal arrangement on a container | Performing Operations; Transporting | 9 | Expired |
| US6116444A | Plastic closure cap | Performing Operations; Transporting | 3 | Expired |
| US6116451A | Screw cap with anti-tamper strip | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.