E. BEAUDREY ET CIE

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 3131
 
  
 
E03F SEWERS; CESSPOOLS39
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
E02B HYDRAULIC ENGINEERING 216
 
  
 
F28G CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS 26

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7326336 Water intake rotary screenAug 22, 05Feb 05, 08[E03F]
7267763 Water intake screen with circular filter panelMar 15, 05Sep 11, 07[E02B]
6530427 Control installation for solid cleaning members circulating in a heat exchangerNov 06, 00Mar 11, 03[F28G]
5975311 Filter to be inserted into a pipe and heat exchanger equipped with a filter of this kindAug 12, 98Nov 02, 99[B01D]
5598889 Device for recovering solid cleaning materials circulating through a heat exchangerDec 21, 95Feb 04, 97[B08B, F28G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8591746 Screening device for supplying water to an industrial installationExpiredMay 23, 11Nov 26, 13[E03F, B01D]
8474082 Cleaning system with balls, in particular for a heat exchanger of the plate typeExpiredDec 10, 09Jul 02, 13[B08B, F28G]
6637504 Installation for recovering debris stopped by a filter at the inlet of a heat exchangerExpiredMay 13, 02Oct 28, 03[F28F, C02F, B01D]
6267880 Mechanical screen, in particular filter apron of a chain filterExpiredFeb 11, 00Jul 31, 01[B01D]
5393418 Water intake, in particular for industrial installationsExpiredJul 13, 92Feb 28, 95[B01D]
4889629 Filter panel with parallel passages and mechanical filter screen comprising sameExpiredJan 13, 88Dec 26, 89[B01D]
4814076 Self-cleaning filter for insertion into a pressurized pipeExpiredJan 13, 88Mar 21, 89[B01D]
4806242 Self-cleaning filterExpiredFeb 10, 87Feb 21, 89[B01D]
4806243 Self-cleaning filter and steam condenser inlet water box comprising sameExpiredFeb 04, 87Feb 21, 89[B01D]
4529518 Industrial water filter with stationary screenExpiredFeb 14, 83Jul 16, 85[B01D]
4518494 Cleaning device for industrial water intakesExpiredApr 07, 83May 21, 85[E02B]
4447323 Trash rake with recovery gutterExpiredDec 10, 81May 08, 84[B01D]
4374736 Dual-flow band screen and process for substituting it for a through-flow band screenExpiredFeb 24, 81Feb 22, 83[B01D]
4366056 Filter having a fixed strainerExpiredFeb 05, 81Dec 28, 82[B01D]
4343698 Water intakeExpiredJan 23, 81Aug 10, 82[B01D]
4276171 Water filter having spiral casingExpiredJun 15, 77Jun 30, 81[B01D]
4192749 Screens for water intakesExpiredJun 27, 78Mar 11, 80[B01D]

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