TROJAN TECHNOLOGIES
99Patents
43Active
99Granted
46Portfolio score
Filing activity: May 18, 1984 → Dec 12, 2016 · 23 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4482809A | Ultraviolet fluid purifying device | Chemistry; Metallurgy | 82 | Expired |
| US5418370A | Fluid treatment system and process | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5006244A | Fluid purification device | Chemistry; Metallurgy | 51 | Expired |
| US4872980A | Fluid purification device | Chemistry; Metallurgy | 50 | Expired |
| US5471063A | Fluid disinfection system | Chemistry; Metallurgy | 48 | Expired |
| USRE36896E | Fluid treatment system and process | General | 37 | Expired |
| US5590390A | Fluid treatment system and process | Emerging Cross-Sectional Technologies | 36 | Expired |
| US6500346B1 | Fluid treatment device and method for treatment of fluid | Chemistry; Metallurgy | 29 | Expired |
| US5504335A | Fluid treatment device and method | Chemistry; Metallurgy | 29 | Expired |
| US5539210A | Radiation sensor with means to remove fouling materials | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5580461A | Process for treatment of a fluid | Chemistry; Metallurgy | 24 | Expired |
| US5539209A | Method of cleaning fouling materials from a radiation module | Chemistry; Metallurgy | 19 | Expired |
| US5846437A | Increasing turbulent mixing in a UV system | Chemistry; Metallurgy | 18 | Expired |
| US5514871A | Optical radiation sensor device | Physics | 17 | Expired |
| US6342188B1 | Radiation source module and cleaning apparatus therefor | Chemistry; Metallurgy | 15 | Expired |
| US6420715B1 | Method and apparatus for improved mixing in fluids | Chemistry; Metallurgy | 14 | Expired |
| US7842932B2 | Ultraviolet radiation light emitting diode device | Electricity | 14 | Active |
| US7476312B2 | Fluid treatment system | Chemistry; Metallurgy | 14 | Active |
| US6126841A | Increasing turbulent mixing in a UV system | Chemistry; Metallurgy | 13 | Expired |
| US7691343B2 | Double-walled chamber for ultraviolet radiation treatment of liquids | Chemistry; Metallurgy | 12 | Expired |
| US6149343A | Method and apparatus for controlling zebra mussels and other bivalves using ultraviolet radiation | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5936359A | Apparatus for efficient remote ballasting of gaseous discharge lamps | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6646269B1 | Radiation source module and cleaning apparatus therefor | Chemistry; Metallurgy | 11 | Expired |
| US7018544B2 | Fluid treatment device | Chemistry; Metallurgy | 11 | Expired |
| US8246839B2 | Double-walled chamber for ultra violet radiation treatment of liquids | Chemistry; Metallurgy | 11 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.