Sulzer-Escher Wyss AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B04B CENTRIFUGES 126
 
 
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5468389 Double-acting pusher centrifugeJun 10, 94Nov 21, 95[B04B]
5322412 Method and apparatus for optimizing the operating parameters of a double-regulated water turbineMay 21, 92Jun 21, 94[F01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5632435 Process for the production of a soldered jointExpiredJan 26, 95May 27, 97[B23K]
5513566 Rotary printing machineExpiredDec 29, 93May 07, 96[B41F]
5372068 Rotary printing pressExpiredSep 24, 92Dec 13, 94[B41F]
5345864 Printing cylinder of a rotary printing press and a method for use therewithExpiredSep 24, 92Sep 13, 94[B41F]
5240666 Apparatus and method for producing plastic foilsExpiredApr 27, 92Aug 31, 93[B29C]
5205933 Pusher centrifugeExpiredSep 28, 90Apr 27, 93[B01D]
5197174 Controlled deflection rollExpiredDec 29, 91Mar 30, 93[B21B]
5111566 Controlled deflection rollExpiredJun 04, 91May 12, 92[B21B]
5094163 Impression cylinder of a rotogravure pressExpiredJan 24, 91Mar 10, 92[B41F]
5068093 Method for producing titanium dioxideExpiredNov 17, 88Nov 26, 91[C01G]
4970767 Heatable controlled deflection rollExpiredMay 01, 89Nov 20, 90[B21B]
4927494 Apparatus for preparing high-concentration alkaliExpiredJun 02, 88May 22, 90[B01D]
4889627 Pusher centrifugeExpiredFeb 23, 89Dec 26, 89[B01D]
4864703 Press rollExpiredAug 22, 88Sep 12, 89[B21B]
4858292 Controlled deflection rollExpiredMar 07, 88Aug 22, 89[B21B]
4856156 Roll arrangement containing a controlled deflection rollExpiredMar 31, 88Aug 15, 89[B60B]
4830707 Method and apparatus for preparing high-concentration alkaliExpiredMay 27, 86May 16, 89[B01D]
4815183 Controlled deflection rollExpiredAug 31, 87Mar 28, 89[B21B]
4781025 Apparatus for the hydraulic transmission of mechanical power and for the simultaneous multiplication of the speed of rotationExpiredMay 09, 86Nov 01, 88[F15B]
4726691 Hydrostatic support arrangementExpiredJul 02, 87Feb 23, 88[F16C]

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