C.Q.M. LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F28G CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS 44
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0076,832 Blocking Elements for Ball Trap ScreenMay 22, 14Mar 17, 16[F28G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5450895 Apparatus for separating balls from fluid, particularly for systems using the balls for cleaning fluid-conducting tubingJun 13, 94Sep 19, 95[F28G]
5447193 Apparatus for injecting a volume of liquid into a liquid-conducting systemJun 13, 94Sep 05, 95[F28G]
5388636 System for cleaning the inside of tubingNov 18, 93Feb 14, 95[F28G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0270,008 In-Line Heat Exchange Cleaning System For Liquid Processing SystemsAbandonedJan 29, 07Oct 28, 10[B08B, F28G]
6913071 Ball trap with safety-release gateExpiredMay 03, 04Jul 05, 05[B08B]
2003/0079,998 Automatic removal of mineral deposits from liquidAbandonedOct 29, 01May 01, 03[C25C, C25B, B23H, C25F]

Top Inventors for This Owner

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