Watson Marlow GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1502 PUMPS AND COMPRESSORS413
 
  
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 222
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164
 
  
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 146

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D789422 Central ring portion of a positive displacement pumpMar 09, 16Jun 13, 17[1502]
D788178 Front cover portion of a positive displacement pump assemblyMar 08, 16May 30, 17[1502]
D788179 Axial ridged housing portion of a positive displacement pump assemblyMar 09, 16May 30, 17[1502]
D787561 Pump portion of a positive displacement pump assemblyMar 09, 16May 23, 17[1502]
8985981 Rotary displacement pump for pumping solids emulsions, especially liquid explosivesSep 15, 10Mar 24, 15[F04C, F01D]
8403656 Vane pump consisting of a two-part statorSep 16, 05Mar 26, 13[F04C, F03C]
7462022 Rotary displacement pump comprising scraper and guide of the scraperSep 16, 05Dec 09, 08[F03C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0301,878 Rotary Displacement Pump for Pumping Flowable Viscous MaterialsAbandonedAug 20, 12Oct 09, 14[F04C]

Top Inventors for This Owner

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