ZELLWEGER LUWA AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D03J AUXILIARY WEAVING APPARATUS; WEAVERS' TOOLS; SHUTTLES23
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5472018 Air conditioning of a weaving machine with displacement type air flow streamAug 18, 93Dec 05, 95[D03J]
5448811 Drop-wire separation device for warp drawing-in machinesNov 04, 93Sep 12, 95[D03J]
5146550 Process for displaying measuring results in graphic form in test apparatus for testing textile goods and apparatus for carrying out the processJul 17, 91Sep 08, 92[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6263257 Method and device for determining relevant variables in the processing of textile structuresExpiredAug 22, 95Jul 17, 01[G06G]
6199289 Device for measuring the thickness and/or unevenness of wadding or non-wovensExpiredNov 19, 98Mar 13, 01[G01B, D01G]
6065333 Device for monitoring a moving yarnExpiredSep 06, 96May 23, 00[G01N]
6058570 Inflow sensor for a drawing equipmentExpiredApr 22, 99May 09, 00[D01H]
6032335 Apparatus for drawing a fibrous strand into an element of a textile machineExpiredOct 29, 98Mar 07, 00[D04H]
5956994 Test apparatus for linear test material such as yarn or the likeExpiredMay 20, 98Sep 28, 99[G01L]
5872788 Method and device for the transmission of dataExpiredSep 05, 95Feb 16, 99[H04B]
5834639 Method and apparatus for determining causes of faults in yarns, rovings and sliversExpiredJun 02, 95Nov 10, 98[G06F]
5709011 Apparatus for determining irregularities in the mass of a sliverExpiredJun 21, 96Jan 20, 98[D06H, D04H]
5697247 Apparatus for measuring the thickness and/or irregularity of sliversExpiredJul 01, 96Dec 16, 97[D01H]
5596901 Method for the absolute measurement of the tearing strength of fibresExpiredOct 10, 95Jan 28, 97[G01L]
5587695 Measuring transformer for solid-state electricity metersExpiredAug 08, 94Dec 24, 96[H01F]
5521395 Method and apparatus for determining the structure of yarns in the region of their surfaceExpiredApr 04, 94May 28, 96[G01N]
5501100 Device for measuring the mass of fiber sliversExpiredJun 23, 94Mar 26, 96[G01N, G01B]
5499546 Method of measuring the mass of fiber sliversExpiredJun 02, 95Mar 19, 96[G01N, G01B]
5437182 Method and device for determining strength properties of the warp threads of a warpExpiredSep 28, 93Aug 01, 95[G01N]
5430916 Simplified warp change in which a winding unit and clamping members are mounted on a carrier unitExpiredDec 15, 93Jul 11, 95[D03J]
5428878 Thread or yarn monitor for textile machinesExpiredApr 18, 94Jul 04, 95[D03D, B65H]
5426824 Method for producing nonwoven webs from unordered fibresExpiredMay 16, 94Jun 27, 95[D04H]
5424723 Apparatus and methods for checking the presence of yarns on a textile machineExpiredJun 16, 93Jun 13, 95[G08B]

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