Assignee
EVAPCO INC
US80 patents
Top patents by PatentIndex Score
US6889759B2May 10, 2005
Fin for heat exchanger coil assembly
EVAPCO INC30 citations92
US4755331AJul 5, 1988
Evaporative heat exchanger with elliptical tube coil assembly
EVAPCO INC55 citations91
US7296620B2Nov 20, 2007
Heat exchanger apparatus incorporating elliptically-shaped serpentine tube bodies
EVAPCO INC30 citations86
US7704364B2Apr 27, 2010
Full wave rectified power water treatment device
EVAPCO INC15 citations83
US4500330AFeb 19, 1985
Drift eliminator
EVAPCO INC21 citations81
US10024600B2Jul 17, 2018
Mini-tube air cooled industrial steam condenser
EVAPCO INC6 citations79
US10788268B2Sep 29, 2020
Air-cooled heat transfer device with integrated and mechanized air pre-cool system
EVAPCO INC8 citations77
US7981288B2Jul 19, 2011
Pulse resonating device
EVAPCO INC15 citations77
US7475719B2Jan 13, 2009
High-frequency, low-amplitude corrugated fin for a heat exchanger coil assembly
EVAPCO INC15 citations74
US10907900B2Feb 2, 2021
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC2 citations71
US9719726B2Aug 1, 2017
Bi-directional fill for use in cooling towers
EVAPCO INC2 citations71
US4579694AApr 1, 1986
Wet deck fill
EVAPCO INC19 citations71
US10823513B2Nov 3, 2020
Arrowhead fin for heat exchange tubing
EVAPCO INC2 citations70
US10288352B2May 14, 2019
Thermal capacity of elliptically finned heat exchanger
EVAPCO INC2 citations70
US10982904B2Apr 20, 2021
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC1 citations69
USD545395SJun 26, 2007
Water treatment device
EVAPCO INC8 citations69
US11199362B2Dec 14, 2021
Modular counterflow cooling tower
EVAPCO INC3 citations68
US11035594B2Jun 15, 2021
Low charge packaged ammonia refrigeration system with evaporative condenser
EVAPCO INC2 citations68
US10780632B2Sep 22, 2020
Additive manufactured header for heat exchangers
EVAPCO INC2 citations68
US10723068B2Jul 28, 2020
Additive manufacturing by selective liquid cooling
EVAPCO INC3 citations68
US10119729B2Nov 6, 2018
Evaporator liquid preheater for reducing refrigerant charge
EVAPCO INC3 citations68
US9188381B2Nov 17, 2015
Method and apparatus for initiating coil defrost in a refrigeration system evaporator
EVAPCO INC5 citations68
US10030663B2Jul 24, 2018
Method and apparatus for cooling tower fan mounting for removal from inside the tower
EVAPCO INC2 citations66
US11821698B2Nov 21, 2023
Techclean direct heat exchange fill
EVAPCO INC2 citations65
US12146712B2Nov 19, 2024
Stacked panel heat exchanger for air cooled industrial steam condenser
EVAPCO INC0 citations61
US11788792B2Oct 17, 2023
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC0 citations61
US11566845B2Jan 31, 2023
Stacked panel heat exchanger for air cooled industrial steam condenser
EVAPCO INC0 citations61
US11499782B2Nov 15, 2022
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC0 citations61
US12492850B2Dec 9, 2025
Direct expansion evaporator with vapor ejector capacity boost
EVAPCO INC0 citations60
US12264088B2Apr 1, 2025
Water-savings adiabatic spray system
EVAPCO INC0 citations60
US11679997B2Jun 20, 2023
Water-savings adiabatic spray system
EVAPCO INC0 citations60
US11131507B2Sep 28, 2021
Hybrid heat exchanger apparatus and method of operating the same
EVAPCO INC1 citations60
US9891001B2Feb 13, 2018
Hybrid cooler with bifurcated evaporative section
EVAPCO INC3 citations60
US11719494B2Aug 8, 2023
Arrowhead fin for heat exchange tubing
EVAPCO INC0 citations59
US12460866B2Nov 4, 2025
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC0 citations58
US12359828B2Jul 15, 2025
Low charge packaged ammonia refrigeration system with evaporative condenser
EVAPCO INC0 citations58
US12169099B2Dec 17, 2024
Modular counter flow cooling tower
EVAPCO INC0 citations58
US12018891B2Jun 25, 2024
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC0 citations58
US11933542B2Mar 19, 2024
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC0 citations58
US11885513B2Jan 30, 2024
Low charge packaged ammonia refrigeration system with evaporative condenser
EVAPCO INC0 citations58
US11835280B2Dec 5, 2023
Evaporator liquid preheater for reducing refrigerant charge
EVAPCO INC0 citations58
US11674756B2Jun 13, 2023
Modular counterflow cooling tower
EVAPCO INC1 citations58
US11512900B2Nov 29, 2022
Advanced large scale field-erected air cooled industrial steam condenser
EVAPCO INC0 citations58
US11525480B2Dec 13, 2022
Bearing protector
EVAPCO INC0 citations57
US11504904B2Nov 22, 2022
Additive manufacturing by selective liquid cooling
EVAPCO INC0 citations57
US11359844B2Jun 14, 2022
Low charge packaged refrigeration systems
EVAPCO INC0 citations57
US7963492B2Jun 21, 2011
Vertical support structure
EVAPCO INC5 citations57
US7938373B2May 10, 2011
Vertical support structure
EVAPCO INC2 citations57
US11549756B2Jan 10, 2023
Air-cooled heat transfer device with integrated and mechanized air pre-cool system
EVAPCO INC1 citations55
US12140351B2Nov 12, 2024
Direct expansion evaporator with vapor ejector capacity boost
EVAPCO INC0 citations54
Showing the top 50 of 80 patents by PatentIndex Score.