JDV CONTROL VALVES CO., LTD

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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 AERATING865
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100
 
  
 
G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES 183

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0363,237 FLUID VALVE AND A SINGLE SHAFT-SEALING MODULE THEREOFAug 24, 16Dec 15, 16[F16K]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9895776 Method of manufacturing an eccentric valveSep 14, 16Feb 20, 18[F16K, B23P]
9863552 Fluid valve and a single shaft-sealing module thereofAug 24, 16Jan 09, 18[F16K]
9470318 Eccentric valve and manufacturing method thereofFeb 09, 15Oct 18, 16[F16K]
9317025 Parameter selection and calculation system for control valvesOct 25, 13Apr 19, 16[G05B, G06F, G05D]
9303785 Method for controlling valve apparatusAug 02, 13Apr 05, 16[F16K]
9234588 Flexible stuffing box packing assemblyDec 08, 13Jan 12, 16[F16J]
9121513 Triple eccentric valve with symmetric drain-proof ring applied no normal force to valve seatApr 01, 14Sep 01, 15[F16K]
8770546 Ball or half-ball valve with drain-proof mechanismAug 16, 12Jul 08, 14[F16K]
8727313 Tri-eccentric valve with a symmetric drain-proof ringSep 26, 12May 20, 14[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0369,388 FLUID VALVE AND MODULAR SHAFT SEALING STRUCTURE THEREOFAbandonedNov 13, 14Dec 24, 15[F16K]
2015/0369,389 FLUID VALVE AND SHAFT SEALING STRUCTURE THEREOFAbandonedNov 14, 14Dec 24, 15[F16K]
2014/0061,514 BALL VALVE HAVING ACTUATOR OF BLOW OUT PREVENTIONAbandonedAug 28, 12Mar 06, 14[E21B]

Top Inventors for This Owner

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