Ronald Highsmith
12Patents
6h-index
8Co-inventors
59Inventor score
Filing activity: Feb 26, 1981 → Oct 13, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4981936A | Terpolymer of oxyalkyene acrylates, acrylamides and quaternary monomers | Chemistry; Metallurgy | 31 | Expired |
| US4988442A | Process for dewatering of biological sludge | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4521452A | Gel-forming compositions and the use thereof | Chemistry; Metallurgy | 20 | Expired |
| US6689181B2 | Ammonium sulfate nitrate | Chemistry; Metallurgy | 15 | Expired |
| US6423667B1 | Ammonium sulfate suspensions in oils | Chemistry; Metallurgy | 12 | Expired |
| US6361720B1 | Process for granule production | Performing Operations; Transporting | 7 | Expired |
| US5008319A | Homogeneous mixtures of solid organic acids and solid cationic ester-based polymer flocculants | Chemistry; Metallurgy | 6 | Expired |
| US6436164B1 | Process for granule production | Performing Operations; Transporting | 4 | Expired |
| US5019275A | Method of flocculation with cationic terpolymer flocculants | Chemistry; Metallurgy | 3 | Expired |
| US7332457B2 | Agricultural chemical suspensions | Chemistry; Metallurgy | 0 | Expired |
| US7393585B2 | Micron-size polymer particles comprising polyamide compound, production and uses thereof | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6733558B2 | Beneficiated sludge | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.