John A. Persson
16Patents
6h-index
10Co-inventors
63Inventor score
Filing activity: Oct 21, 1977 → Feb 8, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4385930A | Method of producing aluminum | Chemistry; Metallurgy | 20 | Expired |
| US4575856A | Iron free self baking electrode | Electricity | 18 | Expired |
| US4375297A | Quick coupling device | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4353738A | Lead smelting method | Chemistry; Metallurgy | 7 | Expired |
| US8893714B2 | Expansion joints for panels in solar boilers | Emerging Cross-Sectional Technologies | 6 | Active |
| US4527817A | Quick coupling device | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4249952A | Method for producing cement clinker from cement kiln waste dust | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4153812A | Bus bar assembly | Electricity | 4 | Expired |
| US4620308A | Arc furnace electrode control | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4490825A | Water-cooled electrode | Electricity | 4 | Expired |
| US4490169A | Method for reducing ore | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4447906A | Arc furnace for producing aluminum | Chemistry; Metallurgy | 2 | Expired |
| US4289537A | Method of producing cement | Chemistry; Metallurgy | 1 | Expired |
| US4326093A | Electrode contact assembly | Electricity | 1 | Expired |
| US8096268B2 | Municipal solid waste fuel steam generator with waterwall furnace platens | Emerging Cross-Sectional Technologies | 0 | Active |
| US4307872A | Apparatus for reducing ore | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.