CHEMFAB CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
A47J KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES 149
 
  
 
D03D WOVEN FABRICS; METHODS OF WEAVING; LOOMS132
 
  
 
D06N WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR 113
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 125

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7278350 Belts with integral flights for use in high-temperature food processing equipment and systems including such beltsMar 09, 04Oct 09, 07[A47J]
5759924 Translucent polymeric composite for use in an architectural load-bearing structureOct 18, 96Jun 02, 98[D03D]
5357726 Composite materials for structural end usesAug 31, 93Oct 25, 94[E04C]
5238748 Polyimide and fluoropolymer containing films and laminatesJan 31, 92Aug 24, 93[B32B]
5230937 Reinforced fluoropolymer compositeOct 22, 92Jul 27, 93[D06N]
5141800 Method of making laminated PTFE-containing composites and products thereofJun 25, 91Aug 25, 92[B32B]
5106673 Polyimide and fluoropolymer containing films and laminatesJun 19, 91Apr 21, 92[B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6425821 Pore-containing web for diffusing fluidsExpiredMar 10, 00Jul 30, 02[F24F]
6417280 Fluoropolymeric compositionExpiredApr 06, 01Jul 09, 02[C08F, C08L]
6239223 Fluoropolymeric compositionExpiredJun 12, 98May 29, 01[C08J, C08F, C08L, C08K]
6194050 Composites of fluropolymers with thermally non-adherent non-fluoropolymersExpiredJun 28, 99Feb 27, 01[B32B]
6139426 Molded polymer air diffusing screenExpiredMar 10, 98Oct 31, 00[F24F]
6059655 Fabric air diffuser, method for diffusing air, and method for attenuating noise associated with flowing airExpiredNov 20, 97May 09, 00[F24F]
5916659 Composites of fluoropolymers with thermally non-adherent non-fluoropolymers and methods for producing the sameExpiredJan 14, 96Jun 29, 99[B32B]
5725427 Fabric air diffuser, method for diffusing air, and method for attenuating noise associated with flowing airExpiredJan 24, 96Mar 10, 98[F24F]
5194335 Fluoropolymer coating and casting compositions and films derived therefromExpiredNov 26, 85Mar 16, 93[B32B]
5075065 Method for manufacturing of cast films at high productivityExpiredNov 28, 89Dec 24, 91[B29C]
4943473 Flexible laminated fluoropolymer-containing compositesExpiredOct 04, 88Jul 24, 90[B32B]
4883716 Method for manufacture of cast fluoropolymer-containing films at high productivityExpiredAug 01, 88Nov 28, 89[B29C, C08F, B32B]
4770927 Reinforced fluoropolymer compositeExpiredMay 15, 86Sep 13, 88[B23B, B05D]
4654235 Novel wear resistant fluoropolymer-containing flexible composites and method for preparation thereofExpiredJun 16, 86Mar 31, 87[B05D]
4610918 Novel wear resistant fluoropolymer-containing flexible compositesExpiredApr 13, 84Sep 09, 86[B32B]
4555543 Fluoropolymer coating and casting compositions and films derived therefromExpiredApr 13, 84Nov 26, 85[C08L]

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