John R. Field
26Patents
10h-index
22Co-inventors
75Inventor score
Filing activity: Jun 3, 1976 → Jan 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4720346A | Flocculation processes | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4515884A | Fusing system with unblended silicone oil | Physics | 65 | Expired |
| US5171781A | Polymeric compositions | Chemistry; Metallurgy | 52 | Expired |
| US4943378A | Flocculation processes | Textiles; Paper | 30 | Expired |
| US5846433A | Dewatering of suspensions | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5053829A | Heat and pressure fuser with non-symmetrical nip pressure | Physics | 22 | Expired |
| US4981398A | Dust suppressant for minerals | Chemistry; Metallurgy | 22 | Expired |
| US4759856A | Flocculation processes | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4709615A | Electrical firing systems | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US4789485A | Clarification of bayer process liquors | Chemistry; Metallurgy | 12 | Expired |
| US4585812A | Polymeric dispersions | Chemistry; Metallurgy | 10 | Expired |
| US4820424A | Products and processes for the flocculation of aqueous suspensions | Chemistry; Metallurgy | 10 | Expired |
| US6293994A | Mineral pelletisation | Chemistry; Metallurgy | 9 | Expired |
| US5002607A | Process for pelletizing particulate materials | Chemistry; Metallurgy | 8 | Expired |
| US5620609A | Process and apparatus for dewatering controlled by monitoring light scattered by supernatant | Physics | 8 | Expired |
| US5662805A | Process and apparatus for controlling the dewatering of suspensions | Performing Operations; Transporting | 8 | Expired |
| US10900667B2 | Energy storage systems | Emerging Cross-Sectional Technologies | 7 | Active |
| US5302186A | Pelletisation process | Chemistry; Metallurgy | 7 | Expired |
| US5102455A | Agglomeration of particulate material employing a polymer | Chemistry; Metallurgy | 7 | Expired |
| US6060164A | Flocculating or viscosifying compositions and their production and use | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5685893A | Ore pelletization | Chemistry; Metallurgy | 6 | Expired |
| US4043910A | Removal of phosphorous from waste water | Emerging Cross-Sectional Technologies | 5 | Expired |
| US11199366B2 | Energy storage systems | Emerging Cross-Sectional Technologies | 1 | Active |
| US11378282B2 | Energy storage systems | Emerging Cross-Sectional Technologies | 1 | Active |
| US4820645A | Testing polyelectrolytes | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.