CONTE
🏢 View company profile →11Patents
4Active
11Granted
36Portfolio score
Filing activity: May 12, 2000 → Jun 20, 2017
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6572295B1 | Method for making a writing or coloring pencil by triple extrusion and writing or coloring pencil comprising an intermediate protective layer | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6644880B2 | Writing article whose writing tip includes a drying retardant and process for the manufacture of such a tip | Chemistry; Metallurgy | 9 | Expired |
| US9988546B2 | Colour pencil lead | Performing Operations; Transporting | 7 | Active |
| US10814665B2 | Writing or coloring pencil | Chemistry; Metallurgy | 5 | Active |
| US10308063B2 | Paper pencil lead | Chemistry; Metallurgy | 5 | Active |
| US6893181B1 | Nib and methods of treating an elongate element designed to form such a nib | Performing Operations; Transporting | 2 | Expired |
| US10316208B2 | Pencil for writing or colouring | Performing Operations; Transporting | 2 | Active |
| US7470079B2 | Writing article having a capillary reservoir with improved ink delivery | Performing Operations; Transporting | 2 | Expired |
| US7048459B2 | Liquid ink writing instrument with a shape memory valve | Performing Operations; Transporting | 1 | Expired |
| US7156573B2 | Writing implement fitted with support means for the writing tip | Performing Operations; Transporting | 1 | Expired |
| US7118618B2 | Colored liquid composition for editing pen | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.