Douglas E. Norton
15Patents
8h-index
9Co-inventors
65Inventor score
Filing activity: Dec 3, 1976 → Aug 29, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD571092S1 | Footwear sole | General | 43 | Expired |
| USD863064S1 | Container | General | 20 | Active |
| US7361303B2 | Medical waste treatment unit | Performing Operations; Transporting | 19 | Expired |
| USD598184S1 | Footwear | General | 14 | Expired |
| USD559516S1 | Footwear | General | 12 | Expired |
| USD559515S1 | Footwear | General | 11 | Expired |
| USD549429S1 | Footwear | General | 11 | Expired |
| USD560890S1 | Footwear | General | 8 | Expired |
| USD728378S1 | Container | General | 8 | Active |
| USD801827S1 | Container | General | 6 | Active |
| USD559514S1 | Footwear | General | 6 | Expired |
| US4078451A | Machine tool guards | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10518943B2 | Container with valve | Performing Operations; Transporting | 2 | Active |
| US8189318B2 | Electrostatic discharging overshoe | Human Necessities | 1 | Active |
| USD945886S1 | Container | General | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.