BTG KALLE INVENTING AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 240
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
C12Q MEASURING OR TESTING PROCESSES INVOLVING ENZYMES OR MICRO-ORGANISMS 1124
 
  
 
D21C PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE- CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR127
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6332951 Method for measuring the content of bleaching chemicals used for bleaching cellulose fibersJun 21, 99Dec 25, 01[C12Q, D21C]
D443837 Microwave probeAug 25, 00Jun 19, 01[1004]
5964248 Arrangement in regulating valvesFeb 07, 97Oct 12, 99[F16K]
5686660 Consistency transmitterJun 27, 96Nov 11, 97[G01N]
5529806 Movably clamped doctor blade device and process for evening the coating ofMar 18, 94Jun 25, 96[B05D]
5380470 Method and apparatus for reducing the pressure and temperature of steam in a steam conditioning valveDec 16, 93Jan 10, 95[B01F]
5290486 Desuperheater for controllable injection of cooling water in a steam or gas lineOct 29, 92Mar 01, 94[B01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6929715 Method and a device for measuring concentrationsExpiredJan 24, 03Aug 16, 05[D21F]
6777201 Method for the determination of the concentration of micro-organismsExpiredMay 24, 02Aug 17, 04[C12Q]
2004/0040,867 Method for the measurement of dithionite concentrationAbandonedSep 04, 03Mar 04, 04[G01N]
6548814 Arrangement and a method for measuring level, interface level and density profile of a fluid in tanks or containersExpiredJun 01, 00Apr 15, 03[G01F]
6463816 Device for collecting filtrate samples from a pulp suspensionExpiredMar 06, 00Oct 15, 02[G01N]
6124111 Method and an arrangement for measuring the amount/activity of catalase before or in connection with bleaching of preferably cellulose fibres included in a pulp suspensionExpiredAug 19, 99Sep 26, 00[C12Q]
5133281 Apparatus for coating a travelling webExpiredFeb 19, 91Jul 28, 92[B05C]
4971441 Method and apparatus for determining the concentration of a substance which is bonded to particles in a flowing mediumExpiredFeb 24, 89Nov 20, 90[G01N]
4880672 Method and apparatus for bladecoating of a moving webExpiredAug 15, 88Nov 14, 89[B05C, B05D]
4875362 Method and apparatus for measuring the viscosity of a mediumExpiredApr 09, 86Oct 24, 89[G01N]
4860576 Device in viscosity metersExpiredSep 02, 88Aug 29, 89[G01N]
4677846 Method of measuring and regulating the concentration of a fibre suspension and a device for carrying out the methodExpiredNov 27, 85Jul 07, 87[G01N]
4635470 Apparatus and method for permeability measurementExpiredJan 07, 85Jan 13, 87[G01N]
4358481 Method and apparatus for coating both sides of a moving webExpiredMay 26, 81Nov 09, 82[B05D]
4288473 Process for applying a coating to both sides of a running paper webExpiredApr 24, 79Sep 08, 81[B05D]
4259921 Selectively convertible apparatus for treating a moving webExpiredJul 11, 79Apr 07, 81[B05C]
4181881 Electrical impedance measuring apparatus for providing separate measurements of the conductivity and dielectric coefficient of various materialsExpiredMay 15, 78Jan 01, 80[G01R]

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