James G. Davidson
15Patents
7h-index
5Co-inventors
59Inventor score
Filing activity: Dec 28, 1981 → Nov 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5880661A | Complex magnetic field generating device | Electricity | 42 | Expired |
| US7377272B2 | Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines | Emerging Cross-Sectional Technologies | 23 | Active |
| US7100543B2 | Method and apparatus for membrane separation of air into nitrogen and oxygen elements for use in internal combustion engines | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4356163A | Process for the production of hydrogen | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6235251A | System and method for treating cells using electromagnetic-based radiation | Human Necessities | 15 | Expired |
| US5238629A | Process of coal agglomeration | Chemistry; Metallurgy | 11 | Expired |
| US5199185A | Process and equipment for gaseous desiccation of organic particles | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4886522A | Process, for the desulfurization of coal | Chemistry; Metallurgy | 5 | Expired |
| US5582015A | Liquid nitrogen capillary heat exchanger | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US8821818B1 | Cleaning stack gas | Emerging Cross-Sectional Technologies | 4 | Active |
| US9919269B2 | Clean coal stack | Emerging Cross-Sectional Technologies | 1 | Active |
| US10220376B1 | Catalytic composition and system for exhaust purification | Emerging Cross-Sectional Technologies | 1 | Active |
| US9737849B2 | Cleaning stack gas | Emerging Cross-Sectional Technologies | 1 | Active |
| US9067837B2 | Cleaning stack gas | Emerging Cross-Sectional Technologies | 1 | Active |
| US10486105B2 | Clean gas stack | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.