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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 162/262
Name: Paper making and fiber liberation > Apparatus > Electric controls or systems
Description: Apparatus having electrical means for causing or controlling a paper making operation that consists of more than mere power or motive means.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8540845 Method and system for stabilizing dry-based density of wood chips to be fed to a chip refining process Sep. 24, 2013
8206554 Method and a system for controlling the manufacturing or finishing process of a fiber web Jun. 26, 2012
7846299 Apparatus and method for controlling product grade changes in a paper machine or other machine Dec. 7, 2010
7809462 Power savings method for rotating pulp and paper machinery Oct. 5, 2010
7742835 Profile control method and system therefor Jun. 22, 2010
7678233 Machine direction sensor system with cross direction averaging Mar. 16, 2010
7584013 Method and apparatus for achieving a fast cross direction caliper control recovery time Sep. 1, 2009
7431800 Device and method for on-line control of the fibre direction of a fibre web Oct. 7, 2008
7318882 Method and apparatus for monitoring of the dry line in a Foudrinier paper machine and for control based thereupon Jan. 15, 2008
7279072 Method and apparatus for adjusting operation of wire section Oct. 9, 2007
7204914 System and method for controlling a processor including a digester utilizing time-based assessments Apr. 17, 2007
7048827 Dynamic calibration of papermaking machine May. 23, 2006
6949854 Method and apparatus for a continuously variable-ratio transmission Sep. 27, 2005
6905573 Method and equipment for cleaning and maintaining rolls Jun. 14, 2005
6799082 Process control methods and apparatus Sep. 28, 2004
6772036 Control system using process model Aug. 3, 2004
6770171 Method and system for controlling headbox in a paper/board machine Aug. 3, 2004
6752165 Refiner control method and system Jun. 22, 2004
6746572 Method for determining a characteristic value for the binding force potential of suspended paper fibers and use of this method Jun. 8, 2004
6647312 Adaptive control methods and apparatus using frequency analysis of time series data Nov. 11, 2003
6640152 Modeling and control of sheet weight and moisture for paper machine transition Oct. 28, 2003
6579418 Leakage control system for treatment of moving webs Jun. 17, 2003
6577916 Method of carrying out an optimized fiber or paper manufacturing process Jun. 10, 2003
6491792 Apparatus for controlling a headbox in a paper machine Dec. 10, 2002
6482296 Integrated machine control method and machine control module Nov. 19, 2002
6466839 Fast CD and MD control in a sheetmaking machine Oct. 15, 2002
6440270 Method and apparatus for controlling dryer section of paper machine Aug. 27, 2002
6421575 Method and control arrangement for controlling sheet-making process Jul. 16, 2002
6413368 Foam forming method and apparatus Jul. 2, 2002
6368458 Calender press for a paper-making machine with thermally compensated top and bottom rolls and low nip load Apr. 9, 2002
6356798 Method of operating a machine for cutting stacks of material in sheets Mar. 12, 2002
6352615 Method and equipment in a paper/board machine for regulation of the difference of draw Mar. 5, 2002
6290816 Paper machine with closed loop control system Sep. 18, 2001
6280573 Leakage control system for treatment of moving webs Aug. 28, 2001
6270628 Method for detecting contamination and/or damage in a face running through a nip in a paper machine or in a paper finishing machine Aug. 7, 2001
6264792 Method for producing calendered paper Jul. 24, 2001
6254730 Impact angle changing shower Jul. 3, 2001
6248215 Calender and method for treating material webs in the calender Jun. 19, 2001
6238522 Method and apparatus for measuring sheet thickness in a paper-making machine May. 29, 2001
6231722 Method and system for monitoring the process of separation of a web May. 15, 2001
6228222 Press arrangement and method thereof May. 8, 2001
6217710 Process for regulating a screw press Apr. 17, 2001
6207017 Process and device for determining the effect of adjustment of final control elements Mar. 27, 2001
6200426 Paper machine with a controllable electro-magnetic clutch Mar. 13, 2001
6187146 Mounting arrangement for wet end weight measurement system Feb. 13, 2001
6174413 Device for detecting and correcting a fiber orientation cross direction profile change Jan. 16, 2001
6086716 Wet end control for papermaking machine Jul. 11, 2000
6080278 Fast CD and MD control in a sheetmaking machine Jun. 27, 2000
5928475 High resolution system and method for measurement of traveling web Jul. 27, 1999
5891306 Electromagnetic field perturbation sensor and methods for measuring water content in sheetmaking systems Apr. 6, 1999

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