Gerard Perrin
8Patents
4h-index
6Co-inventors
50Inventor score
Filing activity: Jan 29, 1990 → Jun 6, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5027996A | Method of manufacturing a hollow shaft with internal swellings of revolution and shaft obtained by this method | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US8177083B2 | Threadless cap with a nonintegral seal | Performing Operations; Transporting | 7 | Active |
| US7581653B2 | Cap and closure system for closing a large potable liquid bottle | Performing Operations; Transporting | 5 | Expired |
| US8376164B2 | Cap without additional seal | Performing Operations; Transporting | 5 | Active |
| US8016143B2 | Stopper with an obstuctor for a can and method for the production of said stopper | Performing Operations; Transporting | 4 | Active |
| US6354363B1 | Ingot mould with multiple angles for loaded continuous casting of metallurgical product | Performing Operations; Transporting | 1 | Expired |
| US8418866B2 | Stopper with an obstructor for a can and method for the production of said stopper | Performing Operations; Transporting | 1 | Active |
| US8162476B2 | Contact lens | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.