SPIRAX-SARCO LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 851
 
  
 
F16T STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS, STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS62
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR364
 
  
 
B01D SEPARATION 2132
 
  
 
F04F PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED 212
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 221
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
A21B BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING 118
 
  
 
A23L FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT 163

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0167,783 MONITORING APPARATUS FOR A STEAM PLANT AND A METHOD OF OPERATING SUCH AN APPARATUSDec 10, 12Jul 04, 13[F22B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9888809 Steam oven installationJan 16, 15Feb 13, 18[A23L, A47J, A21B]
9863836 Monitoring apparatus for a steam plant and a method of operating such an apparatusDec 10, 12Jan 09, 18[G01M, G06F, F16T, F22B]
9816846 Apparatus and method for determining a non-condensable gas parameterSep 19, 14Nov 14, 17[G01N, G01F]
9765927 Flange fittingJun 10, 15Sep 19, 17[F16L, F16T]
9588083 Determining the phase compositions of a multiphase fluid flowSep 13, 13Mar 07, 17[G01N]
9285255 Flow meterJan 23, 15Mar 15, 16[G01F]
9200752 Valve element for a condensate trapOct 05, 10Dec 01, 15[F16T]
9194730 Method and apparatus for determining the phase compositions of a multiphase fluid flowSep 14, 12Nov 24, 15[G01N, G01F]
9157829 Apparatus and method for monitoring a steam plantDec 10, 12Oct 13, 15[G01M, G06F, F16T, F22B]
8966995 Flow meterFeb 06, 13Mar 03, 15[G01F]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0220,441 VALVEAbandonedFeb 22, 13Aug 29, 13[F16T]
2013/0173,178 Apparatus and Method for Monitoring a Steam PlantAbandonedDec 20, 12Jul 04, 13[G06F]
2011/0220,326 ENERGY RECOVERY UNITAbandonedMar 10, 11Sep 15, 11[F28D]
2006/0108,013 Condensate trapAbandonedJan 12, 04May 25, 06[F15C]
6035882 Monitoring condensate trapsExpiredNov 13, 98Mar 14, 00[F16T]
5921268 Condensate trapsExpiredMar 25, 97Jul 13, 99[F16T]
5526980 Condensate trapsExpiredDec 12, 94Jun 18, 96[F16T]
5445187 Condensate trapsExpiredJun 16, 94Aug 29, 95[F16K, F16T]
5020000 Measuring dryness fractionExpiredOct 26, 88May 28, 91[G01N, G06F]
4938174 Steam boiler systemExpiredMay 25, 89Jul 03, 90[F22B]
4875377 FlowmetersExpiredOct 30, 87Oct 24, 89[G01F]
4792090 Thermostatic steam trapsExpiredJul 08, 87Dec 20, 88[F16T]
4681256 Thermostatic steam trapsExpiredApr 24, 86Jul 21, 87[F16T]
4660760 Thermodynamic steam trap valve discsExpiredAug 21, 85Apr 28, 87[F16T]
4295605 Steam trapsExpiredJan 22, 80Oct 20, 81[F16T]
4254664 Flow metersExpiredAug 03, 79Mar 10, 81[G01F]

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