WEIR MINERALS AUSTRALIA LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS3047
 
  
 
1502 PUMPS AND COMPRESSORS173
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 1154
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING865
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 629
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 643
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 625
 
  
 
C22C ALLOYS 567
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 4121
 
  
 
B01D SEPARATION 3131

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0003,315 LEVER FLOAT VALVEDec 21, 15Jan 04, 18[F16K, B60K]
2017/0355,551 PUMP APPARATUSDec 21, 15Dec 14, 17[F04B, B65H, F04D]
2017/0022,588 Composite Metal ProductDec 30, 14Jan 26, 17[B22D, C22C]
2017/0014,832 LIFTER BAR WITH ATTACHMENT FORMATIONJun 21, 16Jan 19, 17[B02C, B29C, B66C]
2016/0297,649 LIFTING DEVICE FOR HOISTING LIFTER BAR AND METHODJun 21, 16Oct 13, 16[B02C, B66C]
2016/0138,607 CENTRIFUGAL PUMP CASING WITH OFFSET DISCHARGEDec 28, 15May 19, 16[F04D]
2015/0041,384 CENTRIFUGAL SCREEN APPARATUSSep 27, 12Feb 12, 15[B01D]
2014/0241,888 PUMPS AND COMPONENTS THEREFORJul 20, 12Aug 28, 14[F04D]
2014/0056,750 Method And Apparatus For The Production Of A CastingFeb 11, 13Feb 27, 14[B22D]
2013/0039,800 HARD METAL MATERIALSFeb 01, 11Feb 14, 13[C22B, B22D, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897090 PumpsDec 31, 13Feb 20, 18[B23P, F04D, B01F]
D810787 ImpellerFeb 10, 17Feb 20, 18[1502]
D810788 Pump impellerFeb 22, 17Feb 20, 18[1502]
D810789 Pump impellerFeb 22, 17Feb 20, 18[1502]
9873321 Valve assembly for a float valveOct 17, 13Jan 23, 18[F16K, B60K, F02M]
9861915 Centrifugal screen apparatusSep 27, 12Jan 09, 18[B04B, C02F, B01D]
9771949 Guard for a rotary pumpDec 19, 12Sep 26, 17[F16P, F04D]
9759056 Pump apparatusDec 06, 12Sep 12, 17[F16L, E21F, F04B, B65H, F04D, B60P, E21B, E21C]
9759224 Adjustable side liner for a pumpApr 17, 14Sep 12, 17[F04D, B66C]
9651055 Slurry pump impellerAug 19, 13May 16, 17[F04D]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0264,396 Valve AssemblyAbandonedMar 17, 16Sep 15, 16[F16K, B67D]
2015/0337,864 PUMP CASINGAbandonedJun 15, 15Nov 26, 15[F04D]
2014/0335,325 Polymer Composite ArticlesAbandonedJan 25, 13Nov 13, 14[B29C, B32B]
2014/0271,256 ROVING SUBMERSIBLE PUMPAbandonedMar 14, 14Sep 18, 14[F04D]
2014/0203,468 Polymer CompositesAbandonedJan 25, 13Jul 24, 14[B29C]
2014/0167,364 Relating To Pump Seal AssembliesAbandonedFeb 24, 14Jun 19, 14[F04D]
8454305 Air diffuser system for industrial pumpsExpiredApr 04, 08Jun 04, 13[F01D]
8221066 Air diffuser system for industrial pumpsExpiredApr 10, 06Jul 17, 12[F04D]
2009/0032,457 HydrocyclonesAbandonedAug 01, 06Feb 05, 09[B04C]
7416383 Pump housing assembly with linerExpiredAug 30, 04Aug 26, 08[F04D]

Top Inventors for This Owner

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