Envirotrol, Inc.
4Patents
1Active
4Granted
31Portfolio score
Filing activity: Aug 17, 2000 → May 15, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7897070B2 | Amorphous silica coating for heat reflectivity and heat resistance | Chemistry; Metallurgy | 35 | Active |
| US6425941B1 | Oxidation resistant granular activated carbon | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6946077B2 | pH stable activated carbon | Chemistry; Metallurgy | 3 | Expired |
| US7300586B2 | pH stable activated carbon | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.