Weir Valves & Controls USA Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7300034 Thermal compensatory valveMay 27, 05Nov 27, 07[F16K]
5338496 Plate type pressure-reducting desuperheaterApr 22, 93Aug 16, 94[B01F]
5305787 Disk valve with improved disk mountingFeb 03, 93Apr 26, 94[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4785844 Double-seal flexible gate valveExpiredAug 26, 87Nov 22, 88[F16K]
4770029 Valve testing method and deviceExpiredAug 21, 86Sep 13, 88[G01M]

Top Inventors for This Owner

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