EVAPCO, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 1042
 
 
 
F28B STEAM OR VAPOUR CONDENSERS 73
 
 
 
F28D HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT 639
 
 
 
F25D REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS 541
 
 
 
B01D SEPARATION 4130
 
 
 
F28C HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION 44
 
 
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 342
 
 
 
A47B TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE 250
 
 
 
A47K SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR 225
 
 
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0023,901 ARROWHEAD FIN FOR HEAT EXCHANGE TUBINGFeb 06, 17Jan 25, 18[F28F, F28B]
2017/0363,357 MINI-TUBE AIR COOLED INDUSTRIAL STEAM CONDENSERJun 15, 17Dec 21, 17[F28B]
2017/0363,358 ALL-SECONDARY AIR COOLED INDUSTRIAL STEAM CONDENSERJun 21, 17Dec 21, 17[F28B]
2016/0018,154 SENSOR FOR COIL DEFROST IN A REFRIGERATION SYSTEM EVAPORATORMay 06, 15Jan 21, 16[F25D]
2014/0150,989 Air Cooled Condenser Fan Deck SubassemblyApr 26, 13Jun 05, 14[F28F]
2013/0333,349 TURBINE EXHAUST DUCT DESIGN FOR AIR COOLED CONDENSERSMay 31, 13Dec 19, 13[F01K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9891001 Hybrid cooler with bifurcated evaporative sectionMar 15, 13Feb 13, 18[F28D, F28F, F28C, G05D]
9850782 Turbine exhaust duct design for air cooled condensersMay 31, 13Dec 26, 17[F01K, F28B, F01D]
9746219 Low charge packaged refrigeration systemJul 02, 15Aug 29, 17[F25D, F25B]
9719726 Bi-directional fill for use in cooling towersDec 23, 15Aug 01, 17[F28D, F28F, F28C]
9243847 Hybrid heat exchange apparatusOct 19, 10Jan 26, 16[F28D, F28F, F28C, F24F, F28B]
9188381 Method and apparatus for initiating coil defrost in a refrigeration system evaporatorMar 21, 14Nov 17, 15[F25D]
9091485 Hybrid heat exchanger apparatus and method of operating the sameOct 18, 10Jul 28, 15[F28F, F28C, F24F, F28B]
8984842 Method and apparatus for assembling field erected cooling tower frameMar 01, 13Mar 24, 15[E04B, E04G, E04H]
8985559 Heat exchanger plate and a fill pack of heat exchanger platesJan 03, 12Mar 24, 15[B01F]
8676385 Method for operating a heat exchanger unitApr 21, 11Mar 18, 14[G05B, G05D, G01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0217,038 SATURATION LIMITED FEEDER FOR CHEMICAL ADDITIONSAbandonedNov 08, 13Aug 07, 14[C02F]
2013/0292,103 Apparatus and Method for Connecting Air Cooled Condenser Heat Exchanger Coils to Steam Distribution ManifoldAbandonedApr 16, 13Nov 07, 13[B23P, F28B]
2012/0067,546 HYBRID HEAT EXCHANGER APPARATUS AND METHOD OF OPERATING THE SAMEAbandonedSep 17, 10Mar 22, 12[F28F, F24F]
2012/0012,292 EVAPORATIVE HEAT EXCHANGE APPARATUS WITH FINNED ELLIPTICAL TUBE COIL ASSEMBLYAbandonedJul 16, 10Jan 19, 12[F28F]
2009/0188,650 LIQUID DISTRIBUTION IN AN EVAPORATIVE HEAT REJECTION SYSTEMAbandonedJan 30, 08Jul 30, 09[F28D]
7524413 Method and apparatus for treating fluidsExpiredDec 15, 05Apr 28, 09[C02F, B01D]
2008/0022,640 Housing for a critical process air handling unit and a critical process air handling unit incorporating the sameAbandonedJul 31, 06Jan 31, 08[B01D]
2007/0227,713 Heat exchanger tube with a compressed return bend, a serpentine heat exchanger tube with compressed return bends and heat exchanger implementing the sameAbandonedMar 31, 06Oct 04, 07[F28D]
2007/0221,365 U-shaped heat exchanger tube with a concavity formed into its return bendAbandonedMar 24, 06Sep 27, 07[F28D]
6598882 Dodge ball game and method of playExpiredAug 02, 01Jul 29, 03[A63F]
5124087 Gas and liquid contact bodyExpiredOct 04, 90Jun 23, 92[B01F]
4755331 Evaporative heat exchanger with elliptical tube coil assemblyExpiredDec 02, 86Jul 05, 88[B01F]
4579496 Mobile concrete batch plantExpiredDec 18, 84Apr 01, 86[E04H]
4500330 Drift eliminatorExpiredMay 31, 83Feb 19, 85[B01D]

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