Measurex Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 13193
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON623
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 6441
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS396
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 276
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 254
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 299
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 220
 
  
 
B05C APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 144
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6341522 Water weight sensor array imbedded in a sheetmaking machine rollApr 06, 98Jan 29, 02[G01L]
5901059 Method and apparatus for controlling a process using adaptive prediction feedbackSep 13, 96May 04, 99[G05B]
5891306 Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systemsDec 13, 96Apr 06, 99[G01R, D21F]
5853543 Method for monitoring and controlling water content in paper stock in a paper making machineJan 27, 97Dec 29, 98[G01N, D21F]
5838599 Method and apparatus for nonlinear exponential filtering of signalsSep 13, 96Nov 17, 98[G06F]
5793486 Dual spectrometer color sensorNov 21, 96Aug 11, 98[G01J, G01N]
5771174 Distributed intelligence actuator controller with peer-to-peer actuator communicationDec 13, 96Jun 23, 98[G06F, G06G]
5714763 Method and apparatus for optical alignment of a measuring head in an X-Y planeMar 25, 96Feb 03, 98[G01N]
5654799 Method and apparatus for measuring and controlling the surface characteristics of sheet materials such as paperMay 05, 95Aug 05, 97[G01N]
5642189 Color sensor simulating standard source illuminantJun 12, 95Jun 24, 97[G01N]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5226239 Aerodynamic caliper gaugeExpiredAug 14, 91Jul 13, 93[G01B]
5166748 Scanning interferometer sensor systemExpiredOct 06, 89Nov 24, 92[G01B]
5163365 Calender system for decoupling sheet finish and caliper controlExpiredSep 06, 89Nov 17, 92[D21G, B30B]
5164048 Cooling structure for stabilizing the temperature of beams in a sheet-making apparatusExpiredJan 25, 91Nov 17, 92[G01B, D21F]
5138878 Fiber orientation sensorExpiredDec 28, 90Aug 18, 92[G01L, G01N]
5122232 Multiple steam applicator controllerExpiredOct 05, 90Jun 16, 92[D21G]
5121332 Control system for sheetmakingExpiredMar 31, 89Jun 09, 92[G05B, G06F]
5117093 Maintenance of linearity of support beamExpiredAug 15, 89May 26, 92[H05B]
5111688 Device and method for calibrating a non-destructive sheet strength measuring systemExpiredMar 21, 91May 12, 92[G01L]
5106655 Cross-directional smoothness controller and method of using the sameExpiredJan 27, 89Apr 21, 92[B05D]
5104488 System and process for continuous determination and control of paper strengthExpiredApr 17, 90Apr 14, 92[D21F]
5101578 System and process for drying a moving sheetExpiredAug 24, 90Apr 07, 92[F26B]
5101661 Fiber orientation sensorExpiredDec 28, 90Apr 07, 92[G01L, G01N]
5094535 Scanning sensor system including an FT-IR interferometerExpiredOct 06, 89Mar 10, 92[G01J, G01B]
5092678 On-line sheet formation characterizing method and deviceExpiredNov 12, 86Mar 03, 92[G01N]
5093795 Dual mode cross-directional moisture controlExpiredApr 05, 89Mar 03, 92[G06F, D21F]
5077913 Self-cleaning steamboxExpiredAug 31, 89Jan 07, 92[F26B]
5075979 Aerodynamic caliper gaugeExpiredMay 31, 90Dec 31, 91[G01B]
5065673 Cross-directional moisture control system and methodExpiredSep 19, 89Nov 19, 91[D21G, B30B]
5066865 Single sided reflectance sensor for measuring select physical properties of a material using one or more wavelengths of radiationExpiredSep 01, 89Nov 19, 91[G01N]

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