CRANE NUCLEAR, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR562
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING469
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 452
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS297
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 186

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9746091 Nozzle-type check valve with pistonMar 04, 15Aug 29, 17[F16K]
6240789 Permanently instrumented actuated valve assembly, with internally-gauged, permanently instrumented shaftMay 11, 99Jun 05, 01[G01L]
6236947 Method of monitoring placement of voltage/current probes on motorsJun 06, 00May 22, 01[G06F, G01R]
5955679 Device for measuring strain parameters of a generally cylindrical member of virtually any sizeJan 19, 98Sep 21, 99[G01B]
5519300 Method and apparatus for analysis of polyphase electrical motor systemsJun 29, 93May 21, 96[G01L, H02P]
5504426 Check valve position indication system and methodDec 07, 92Apr 02, 96[F16K, G01B]
5499542 Diametral force sensorApr 22, 94Mar 19, 96[G01L]
5469737 Method and apparatus for measuring the axial load and position of a valve stemDec 20, 93Nov 28, 95[F16K, G01M, G01L]
5433245 Online valve diagnostic monitoring system having diagnostic couplingsAug 16, 93Jul 18, 95[F16K, G01M]
5430368 Method for remotely approximating the stem thrust of motor operated valvesDec 03, 93Jul 04, 95[G01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0041,458 DEVICE FOR MEASURING STRAIN IN A COMPONENTAbandonedOct 16, 13Feb 13, 14[G01N]
2011/0259,110 Device for Measuring Strain in a ComponentAbandonedDec 30, 10Oct 27, 11[G01L, G01N]
2008/0309,507 SELF-CONFIGURING DATA ACQUISITION SYSTEM FOR DIAGNOSTIC TESTINGAbandonedJun 19, 07Dec 18, 08[G08B]
2007/0095,156 Flexure system for strain-based instrumentsAbandonedAug 30, 06May 03, 07[G01L]
7207230 High-stability instrument mounting system for repeatable field testing of equipmentExpiredMay 19, 04Apr 24, 07[G01M]
7100458 Flexure system for strain-based instrumentsExpiredMay 19, 04Sep 05, 06[G01L]
2006/0146,469 System and method for monitoring equipmentAbandonedNov 07, 05Jul 06, 06[H01H]
6449567 Apparatus and method for determining shaft speed of a motorExpiredOct 27, 98Sep 10, 02[G01R]
6308140 Motor condition and performance analyzerExpiredJun 06, 00Oct 23, 01[G06F]
6144924 Motor condition and performance analyzerExpiredMay 20, 96Nov 07, 00[G06F, G01R]
6128583 Motor stator condition analyzerExpiredFeb 05, 98Oct 03, 00[G01R]
5923527 Safe electrical interconnection box and methods of safe electrical interconnectionExpiredNov 29, 96Jul 13, 99[H02B]
5799114 System and method for stable analysis of sampled transients arbitrarily aligned with their sample pointsExpiredFeb 28, 96Aug 25, 98[G06K]
5684596 Method and apparatus for measuring axial and torsional loads on a valve stemExpiredMar 06, 95Nov 04, 97[G01B]
5671635 Method and apparatus for monitoring of spring pack displacement of a motor-operated valveExpiredNov 14, 94Sep 30, 97[G01M]
5651284 Strain gage method for measuring thrust and torque on valve stems that does not require calibrations against a known thrust and torqueExpiredJun 22, 95Jul 29, 97[G01L]
5546817 Stem torque sensorExpiredJun 04, 93Aug 20, 96[G01M]
5533410 Motor power measuring cell for motor operated valvesExpiredDec 03, 93Jul 09, 96[G01L]
5524484 Solenoid operated valve diagnostic systemExpiredDec 22, 93Jun 11, 96[F16K, G01M]
5517585 System and method for stable analysis of sampled transients arbitrarily aligned with their sample pointsExpiredMay 05, 93May 14, 96[G06K]

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