Assignee
MEASUREX CORP
US145 patents
Top patents by PatentIndex Score
US5654799AAug 5, 1997
Method and apparatus for measuring and controlling the surface characteristics of sheet materials such as paper
MEASUREX CORP89 citations96
US5124552AJun 23, 1992
Sensor and method for measuring web moisture with optimal temperature insensitivity over a wide basis weight range
MEASUREX CORP77 citations96
US5022966AJun 11, 1991
Process for controlling properties of travelling sheets
MEASUREX CORP58 citations96
US5013403AMay 7, 1991
Process for continuous determination of paper strength
MEASUREX CORP69 citations96
US4947684AAug 14, 1990
System and process for detecting properties of travelling sheets in the machine direction
MEASUREX CORP62 citations96
US4903528AFeb 27, 1990
System and process for detecting properties of travelling sheets in the cross direction
MEASUREX CORP60 citations96
US5338361AAug 16, 1994
Multiple coat measurement and control apparatus and method
MEASUREX CORP54 citations95
US5166748ANov 24, 1992
Scanning interferometer sensor system
MEASUREX CORP58 citations95
US4957770ASep 18, 1990
Coating weight measuring and control apparatus and method
MEASUREX CORP79 citations95
US4879471ANov 7, 1989
Rapid-scanning infrared sensor
MEASUREX CORP111 citations95
US4786817ANov 22, 1988
System and method for measurement of traveling webs
MEASUREX CORP55 citations95
US4866984ASep 19, 1989
Sensor and system for continuous determination of paper strength
MEASUREX CORP58 citations94
US3961425AJun 8, 1976
Temperature control system for textile tenter frame apparatus
MEASUREX CORP55 citations94
US5355083AOct 11, 1994
Non-contact sensor and method using inductance and laser distance measurements for measuring the thickness of a layer of material overlaying a substrate
MEASUREX CORP158 citations93
US4699510AOct 13, 1987
Color sensor
MEASUREX CORP94 citations93
US4635189AJan 6, 1987
Real-time distributed data-base management system
MEASUREX CORP174 citations93
US6341522B1Jan 29, 2002
Water weight sensor array imbedded in a sheetmaking machine roll
MEASUREX CORP36 citations92
US5539634AJul 23, 1996
Sheetmaking system identification using synthetic measurement produced from redundant noisy measurements
MEASUREX CORP60 citations92
US5455422AOct 3, 1995
Multiple coat measurement and control apparatus and method
MEASUREX CORP36 citations92
US5400258AMar 21, 1995
Automatic cross-directional control zone alignment for sheetmaking systems
MEASUREX CORP80 citations92
US5235192AAug 10, 1993
Sensor and method for measurment of select components of a material based on detection of radiation after interaction with the material
MEASUREX CORP48 citations92
US5171403ADec 15, 1992
Method for determining the bending stiffness of a moving sheet
MEASUREX CORP25 citations92
US5111688AMay 12, 1992
Device and method for calibrating a non-destructive sheet strength measuring system
MEASUREX CORP25 citations92
US5104488AApr 14, 1992
System and process for continuous determination and control of paper strength
MEASUREX CORP44 citations92
US5029469AJul 9, 1991
Sheet tension sensor
MEASUREX CORP31 citations92
US4982334AJan 1, 1991
Calender control system for sheetmaking
MEASUREX CORP30 citations92
US4970895ANov 20, 1990
System and method for the determination of certain physical characteristics of sheet materials.
MEASUREX CORP50 citations92
US4965736AOct 23, 1990
Cross-directional control of sheetmaking systems
MEASUREX CORP28 citations92
US4921574AMay 1, 1990
Process for controlling properties of travelling sheets with scan widths less than the sheet width
MEASUREX CORP50 citations92
US4786529ANov 22, 1988
Cross directional gloss controller
MEASUREX CORP40 citations92
US4768433ASep 6, 1988
Hot air calender roll controller
MEASUREX CORP48 citations92
US4707779ANov 17, 1987
Process for controlling a parameter based upon filtered data
MEASUREX CORP44 citations92
US4680089AJul 14, 1987
Process for controlling the formation of sheet material
MEASUREX CORP33 citations92
US4658716AApr 21, 1987
Infrared heating calender roll controller
MEASUREX CORP32 citations92
US4421068ADec 20, 1983
Optimization of steam distribution
MEASUREX CORP30 citations92
US4319847AMar 16, 1982
Apparatus to measure select properties of a moving sheet with improved standardization means
MEASUREX CORP46 citations92
US4306151ADec 15, 1981
Method of measuring the amount of substance associated with a material in the presence of a contaminant
MEASUREX CORP37 citations92
US4006358AFeb 1, 1977
Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
MEASUREX CORP51 citations92
US4000402ADec 28, 1976
Scanning gauge control for sheet processing apparatus
MEASUREX CORP37 citations92
US5891306AApr 6, 1999
Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems
MEASUREX CORP33 citations91
US5276327AJan 4, 1994
Sensor and method for mesaurement of select components of a material
MEASUREX CORP48 citations91
US5138878AAug 18, 1992
Fiber orientation sensor
MEASUREX CORP34 citations91
US5121332AJun 9, 1992
Control system for sheetmaking
MEASUREX CORP57 citations91
US5101661AApr 7, 1992
Fiber orientation sensor
MEASUREX CORP28 citations91
US4864851ASep 12, 1989
Sensor and system for continuous determination of sheet strength
MEASUREX CORP38 citations91
US4767935AAug 30, 1988
System and method for measurement of traveling webs
MEASUREX CORP33 citations91
US4653396AMar 31, 1987
Recirculating air calender roll controller
MEASUREX CORP51 citations91
US4292838AOct 6, 1981
Caliper gauge for the measurement of sheet members over a wide range of thicknesses
MEASUREX CORP32 citations91
US4277177AJul 7, 1981
Apparatus to measure select properties of a moving sheet
MEASUREX CORP37 citations91
US5838599ANov 17, 1998
Method and apparatus for nonlinear exponential filtering of signals
MEASUREX CORP32 citations90
Showing the top 50 of 145 patents by PatentIndex Score.