AHLSTROM GLASSFIBRE OY

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON425
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 236
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 130

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7416636 Method and apparatus for foam formingNov 07, 02Aug 26, 08[D21F]
6767851 Chopped strand non-woven mat productionApr 05, 00Jul 27, 04[D21H, D21F, D04H]
6531078 Method for foam casting using three-dimensional moldsFeb 26, 01Mar 11, 03[B28B]
6503372 Twin wire former assemblyNov 01, 00Jan 07, 03[D21F]
6238518 Foam process for producing multi-layered websMar 02, 99May 29, 01[D21H]
6136153 Foam process web formation using pressure removal of fluidFeb 23, 99Oct 24, 00[D21F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6861119 Pressure-loaded panel and use for boat and container constructionExpiredOct 20, 03Mar 01, 05[B32B]
6733631 Using centrifugal pumps in the foam process of producing non-woven websExpiredMay 08, 03May 11, 04[D21F]
6734335 Unitary absorbent systemExpiredJun 04, 99May 11, 04[A61F]
6562193 Using centrifugal pumps in the foam process of producing non-woven websExpiredOct 06, 97May 13, 03[D21F]
6444088 Foam process web production with foam dilutionExpiredFeb 09, 01Sep 03, 02[D21F]
2002/0092,634 Chopped strand non-woven mat productionAbandonedJan 14, 02Jul 18, 02[D03D, D21H, B32B, D04H]
6368698 Base webs for printed circuit board production using the foam process and acrylic fibersExpiredMay 19, 00Apr 09, 02[B32B]
2001/0050,130 Base webs for printed circuit board production using the foam process and acrylic fibersAbandonedJan 08, 01Dec 13, 01[B32B]
6258203 Base webs for printed circuit board production using the foam process and acrylic fibersExpiredSep 21, 99Jul 10, 01[D04H]

Top Inventors for This Owner

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