William Armstrong
10Patents
4h-index
19Co-inventors
57Inventor score
Filing activity: Jan 16, 1992 → Apr 5, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5458678A | Alkaline earth metal salts, transition metal salts and transition metal complexes of ketocarboxylic acids as corrosion inhibitors | Chemistry; Metallurgy | 13 | Expired |
| US5250325A | Corrosion inhibitors | Chemistry; Metallurgy | 13 | Expired |
| US5336061A | Solar powered relatively balanced pumping system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5277709A | Coating compositions | Chemistry; Metallurgy | 10 | Expired |
| US7654219B2 | Sight glasses and pipes incorporating the same | Physics | 4 | Active |
| US7067505B2 | Di-steroidal prodrugs of estradiol | Human Necessities | 4 | Expired |
| US7067504B2 | Di-steroidal prodrugs of ethinyl estradiol | Chemistry; Metallurgy | 4 | Expired |
| US5709731A | Slurry pipeline leaching method | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7795241B2 | Derivative prodrugs of ethinyl estradiol | Chemistry; Metallurgy | 3 | Active |
| US12297161B2 | Process for making sarecycline hydrochloride | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.