FRIDECO AG, C/O HIDROSTAL AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS470
 
  
 
F03B MACHINES OR ENGINES FOR LIQUIDS 123
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879695 Self-cleaning cover plate in a pump with radial flowNov 24, 11Jan 30, 18[F04C, F04D]
9709071 Self-cleaning screw-type centrifugal wheel pump with recirculation behind the impellerNov 24, 11Jul 18, 17[F04C, F04D]
8511966 Pump rotor and pump comprising a pump rotor of said typeAug 18, 08Aug 20, 13[F04D]
7510368 Screw-centrifugal pumpNov 02, 04Mar 31, 09[F03B]
5833434 Device for regulating the output of a verticle-axis centrifugal pumpApr 29, 97Nov 10, 98[F04B, F04D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0105,012 DELIVERY DEVICEAbandonedMar 29, 11May 02, 13[F17D]
6296438 Device for the regulation of the pumping capacity of vertical-axis centrifugal pumpsExpiredJan 13, 00Oct 02, 01[F04D]

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