John Lewis
8Patents
1Active
8Granted
32Portfolio score
Filing activity: Mar 15, 1976 → Nov 9, 2006 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4646673A | Device for indicating low tire pressure | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4297677A | Personal ambient sound referenced annunciator | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6635813B2 | Capo | Physics | 16 | Expired |
| US4214340A | Retractable brush with rotatable actuating mechanism | Human Necessities | 12 | Expired |
| US7681330B2 | Footwear having removable straps | Human Necessities | 8 | Active |
| USD526559S1 | Tarp, tent and fabric roller clip | General | 6 | Expired |
| US6671966B2 | Hydraulic and pneumatic actuated cutting apparatus | Performing Operations; Transporting | 6 | Expired |
| US4155549A | Pool ball sorting apparatus | Human Necessities | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.