TLV CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 VAPOURS181
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT941
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8439
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING766
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 713
 
  
 
F04F PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED 68
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 695
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 419
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 325
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 359

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0307,465 Fluid Leakage Data Management Apparatus and Management SystemAug 07, 15Oct 26, 17[G08B, G01M]
2017/0227,953 Equipment Monitoring System, Equipment Monitoring Program, and Equipment Monitoring MethodJul 17, 15Aug 10, 17[G05B]
2017/0081,976 Steam-Using Facility Monitoring SystemMay 22, 15Mar 23, 17[F01K, F16T, F01D]
2017/0024,267 Risk Evaluation System for Process System, Risk Evaluation Program and Risk Evaluation MethodMar 31, 15Jan 26, 17[G05B, G06F]
2016/0161,341 Sensor FeatureJul 02, 14Jun 09, 16[G01H, G01K, F16M, F16B]
2016/0043,891 Terminal Control SystemApr 22, 14Feb 11, 16[H04L, H04W]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9897342 Hot water generatorMay 24, 13Feb 20, 18[F24H, F28D, F28F, F24D]
9871689 Terminal control system with optimized startup timing of each terminal device based on communication times of other terminal devicesApr 22, 14Jan 16, 18[H04L, H04Q, H04W]
9851260 Sensor fixtureFeb 07, 14Dec 26, 17[G01H, G01K, F16M, F16B, G01D, E21B]
9791104 Float type drain trapJul 01, 13Oct 17, 17[F16T]
9778679 Time synchronization systemJul 01, 14Oct 03, 17[G06F, G04G]
D787636 Liquid pressure-feeding machineApr 02, 15May 23, 17[2301]
9060211 Method of collecting device-condition information and device-condition information collecting kit used thereforDec 07, 09Jun 16, 15[H04Q, G05B, G06F, H04W]
D731439 Limit switchMar 26, 13Jun 09, 15[1303]
D730843 Limit switchMar 26, 13Jun 02, 15[1303]
8950429 Valve-member monitoring systemJul 26, 10Feb 10, 15[F16K, F16T, E03B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0263,845 Heat exchangerAbandonedApr 05, 10Oct 21, 10[F28D]
2008/0249,744 Method of Diagnosing System, Method of Operating Aggregating System For System Diagnosis, and Aggregating System For System DiagnosisAbandonedSep 30, 04Oct 09, 08[G06F]
7089960 Ball valveExpiredJun 09, 04Aug 15, 06[B62D]
6850848 Equipment inspection and evaluation system, equipment management system, and computer-readable record medium with equipment management program stored thereinExpiredJan 24, 01Feb 01, 05[G06F, G01B]
6647344 Equipment inspection and evaluation system, equipment management system, and computer-readable record medium with equipment management program stored thereinWithdrawnJan 24, 01Nov 11, 03[G06F]
6420167 Fermentation treatment apparatus of organic wasteExpiredJan 24, 00Jul 16, 02[C12M]
5445501 Snap action float valve assembly for liquid feeding deviceExpiredMar 07, 94Aug 29, 95[F16K, F04B]
5247457 Trap selectorExpiredNov 02, 90Sep 21, 93[G06F]
D338708 Steam trapExpiredSep 11, 91Aug 24, 93[]
5007582 Reduced pressure steam heat treating deviceExpiredNov 22, 89Apr 16, 91[F24F]
4921215 Reducing valve assembly with spherically shaped operating partExpiredSep 29, 88May 01, 90[F16K]
4898022 Steam trap operation detectorExpiredNov 28, 88Feb 06, 90[G01M]
4888978 Instrument to measure leakage of steam from a steam trapExpiredNov 21, 88Dec 26, 89[G01M]
4867767 Condensate separating and discharging device with a specially dimensioned trap sectionExpiredSep 10, 87Sep 19, 89[B01D]
4860782 Reducing valve equipped with a vapor-liquid separatorExpiredMar 03, 89Aug 29, 89[F16T]
4809736 Piston structure for pressure reducing valveExpiredAug 11, 87Mar 07, 89[F16K]
4791954 Self-regulated pressure control valveExpiredAug 11, 87Dec 20, 88[G05D]
4788849 Steam trap operation monitoring deviceExpiredMar 18, 87Dec 06, 88[G01M]
4746223 Meter for integrating the operating time of a steam trapExpiredAug 29, 85May 24, 88[G01K, F16T]
4736886 Disk type steam trapExpiredAug 29, 85Apr 12, 88[F16T]

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