HAMON RESEARCH-COTTRELL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
F24F AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8881766 Damper assemblyJan 24, 12Nov 11, 14[F16K, F16L, F24F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0083,619 DUAL ENHANCED TUBE FOR VAPOR GENERATORAbandonedOct 08, 09Apr 14, 11[F28D, F28F, F22B]
7468094 Method of repairing an electrostatic precipitatorExpiredFeb 05, 07Dec 23, 08[B03C]
7438743 Method of making replacement collecting electrodes for an electrostatic precipitatorExpiredFeb 13, 07Oct 21, 08[B03C]
7399340 Replacement discharge electrode for electrostatic precipitators and method of assemblyExpiredJun 07, 06Jul 15, 08[B03C]
6595147 Method for adsorbing contaminants from flue gasExpiredFeb 28, 02Jul 22, 03[F23B, B01D]
6439138 Char for contaminant removal in resource recovery unitExpiredMay 29, 98Aug 27, 02[B01J, F23B]
6299848 Process for removing sulfur dioxide out of a gasExpiredSep 25, 98Oct 09, 01[B01D]

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