Parker Pen Ltd.
32Patents
0Active
32Granted
31Portfolio score
Filing activity: Jun 17, 1974 → Nov 8, 1985
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4591418A | Microlaminated coating | Physics | 94 | Expired |
| USD248543S | Packaging container for a tape or the like | General | 27 | Expired |
| USD280421S | Writing instrument | General | 26 | Expired |
| US3951555A | Modular writing pen | Performing Operations; Transporting | 24 | Expired |
| USD286791S | Fountain pen | General | 23 | Expired |
| USD285936S | Push button ball point pen | General | 22 | Expired |
| USD282753S | Writing instrument with a striped body | General | 22 | Expired |
| USD282553S | Writing instrument with contrasting striped body | General | 20 | Expired |
| USD279383S | Ball point writing instrument | General | 19 | Expired |
| USD243014S | Fountain pen | General | 16 | Expired |
| US4121719A | Holder for writing instruments | Performing Operations; Transporting | 16 | Expired |
| US4529328A | Projection-retraction mechanism for a writing instrument | Performing Operations; Transporting | 15 | Expired |
| US4702633A | Multicolor writing implement | Performing Operations; Transporting | 13 | Expired |
| USD282672S | Ball point writing instrument | General | 13 | Expired |
| USD280422S | Fountain pen | General | 13 | Expired |
| USD282754S | Writing instrument with faceted trim rings | General | 11 | Expired |
| US4222595A | Clamping closure for releasably connecting two parts | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4378171A | Ball-point pen | Performing Operations; Transporting | 8 | Expired |
| USD285937S | Push button mechanical pencil | General | 8 | Expired |
| USD293590S | Double pen desk set | General | 7 | Expired |
| USD283334S | Writing instrument | General | 5 | Expired |
| USD284872S | Ball point pen | General | 5 | Expired |
| US4713150A | Process for preparing a part for color anodization | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4506426A | Pocket clip for a writing instrument | Emerging Cross-Sectional Technologies | 4 | Expired |
| USD284355S | Packaging container | General | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.