DE LA RUE INTERNATIONAL LIMITED
🏢 View company profile →193Patents
121Active
193Granted
55Portfolio score
Filing activity: May 17, 1996 → Jan 11, 2022 · 48 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5902439A | Self-adhesive stamps | Emerging Cross-Sectional Technologies | 108 | Expired |
| US6234294A | Method and system for recognition of currency by denomination | Physics | 100 | Expired |
| US6089614A | Security device | Emerging Cross-Sectional Technologies | 95 | Expired |
| US6712399B1 | Security device | Emerging Cross-Sectional Technologies | 78 | Expired |
| US6043936A | Diffractive structure on inclined facets | Emerging Cross-Sectional Technologies | 68 | Expired |
| US6822769B1 | Security device | Physics | 53 | Expired |
| US7537153B2 | Method and computer program product for electronically managing payment media | Physics | 52 | Expired |
| US6369919B1 | Holographic security device | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6616803B1 | Making paper | Physics | 45 | Expired |
| US6155605A | Document of value | Performing Operations; Transporting | 44 | Expired |
| US6903850B2 | Security device | Physics | 36 | Expired |
| US7054042B2 | Optically variable security device | Physics | 34 | Expired |
| US8027093B2 | Optically variable devices | Physics | 31 | Active |
| US7475807B2 | Method and apparatus for processing checks | Physics | 30 | Active |
| US7830627B2 | Optically variable devices | Physics | 29 | Active |
| US6640156B1 | Sheet handling system | Physics | 29 | Expired |
| US5851615A | Tamper indicating security item and joining method | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5899448A | Sheet feeding apparatus and method | Performing Operations; Transporting | 26 | Expired |
| USD574419S1 | Document handling apparatus | General | 23 | Expired |
| USD579482S1 | Document handling apparatus | General | 23 | Expired |
| USD579481S1 | Document handling apparatus | General | 23 | Expired |
| US6444377B1 | Security features | Performing Operations; Transporting | 22 | Expired |
| USD574422S1 | Document handling apparatus | General | 22 | Expired |
| USD574420S1 | Document handling apparatus | General | 22 | Expired |
| USD574421S1 | Document handling apparatus | General | 21 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.