John E. Halko
6Patents
6h-index
8Co-inventors
52Inventor score
Filing activity: Mar 9, 1981 → Mar 31, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5976237A | Pigment process for durable pigments | Chemistry; Metallurgy | 34 | Expired |
| US5332433A | Titanium dioxide dispersibility | Chemistry; Metallurgy | 24 | Expired |
| US5733365A | Process for preparing an improved low-dusting, free-flowing pigment | Chemistry; Metallurgy | 22 | Expired |
| US5908498A | Process for preparing an improved low-dusting, free-flowing pigment | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6139617A | Titanium dioxide pigments | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4406663A | Process for concentration of slurries comprising insoluble coal products | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.