Evapco, Inc.
85Patents
80Active
85Granted
57Portfolio score
Filing activity: May 31, 1983 → Mar 7, 2025 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4755331A | Evaporative heat exchanger with elliptical tube coil assembly | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7296620B2 | Heat exchanger apparatus incorporating elliptically-shaped serpentine tube bodies | Emerging Cross-Sectional Technologies | 18 | Active |
| US9243847B2 | Hybrid heat exchange apparatus | Emerging Cross-Sectional Technologies | 15 | Active |
| US4500330A | Drift eliminator | Performing Operations; Transporting | 12 | Expired |
| US9091485B2 | Hybrid heat exchanger apparatus and method of operating the same | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US6889759B2 | Fin for heat exchanger coil assembly | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7981288B2 | Pulse resonating device | Chemistry; Metallurgy | 10 | Active |
| US8676385B2 | Method for operating a heat exchanger unit | Emerging Cross-Sectional Technologies | 10 | Active |
| US4579694A | Wet deck fill | Emerging Cross-Sectional Technologies | 9 | Expired |
| USD545395S1 | Water treatment device | General | 8 | Expired |
| US7704364B2 | Full wave rectified power water treatment device | Chemistry; Metallurgy | 8 | Active |
| US7475719B2 | High-frequency, low-amplitude corrugated fin for a heat exchanger coil assembly | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US10024600B2 | Mini-tube air cooled industrial steam condenser | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8418807B1 | Noise abatement wall and a noise abatement wall system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US7963492B2 | Vertical support structure | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10788268B2 | Air-cooled heat transfer device with integrated and mechanized air pre-cool system | Emerging Cross-Sectional Technologies | 4 | Active |
| US9188381B2 | Method and apparatus for initiating coil defrost in a refrigeration system evaporator | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10723068B2 | Additive manufacturing by selective liquid cooling | Physics | 3 | Active |
| US8020837B2 | Splash bar | Emerging Cross-Sectional Technologies | 3 | Active |
| US7501596B2 | Dimension sensor and method for stopping expansion of a tube | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US8985559B2 | Heat exchanger plate and a fill pack of heat exchanger plates | Emerging Cross-Sectional Technologies | 2 | Active |
| US9891001B2 | Hybrid cooler with bifurcated evaporative section | Emerging Cross-Sectional Technologies | 2 | Active |
| US10119729B2 | Evaporator liquid preheater for reducing refrigerant charge | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10907900B2 | Advanced large scale field-erected air cooled industrial steam condenser | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11199362B2 | Modular counterflow cooling tower | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.