ELKCORP

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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, FORM8149
 
  
 
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 311
 
  
 
A47C CHAIRS 251
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 125
 
  
 
E04D ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9435074 Fire resistant composite material and fabrics made therefromAug 30, 10Sep 06, 16[A47C, D06N, D06M]
9212487 Enhanced single layer roofing materialSep 28, 05Dec 15, 15[E04D]
8987149 Fire resistant composite material and fabrics made therefromAug 30, 10Mar 24, 15[A47C, D06N, B32B]
8822355 Fire resistant composite material and fabrics made therefromMar 22, 05Sep 02, 14[B32B]
8822356 Fire resistant composite material and fabrics made therefromAug 30, 10Sep 02, 14[A47C, D06N, B32B]
8030229 Composite materialJan 27, 04Oct 04, 11[B32B]
8017531 Composite materialJan 27, 04Sep 13, 11[B32B]
7563733 Composite materialJan 27, 04Jul 21, 09[B32B]
7361617 Fire resistant composite material and fabrics therefromMar 22, 05Apr 22, 08[B32B]
6936329 Fastener-free composite roofing productJul 15, 03Aug 30, 05[E04B, E04C, B32B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0052,901 COMPOSITE MATERIALSAbandonedSep 23, 10Mar 03, 11[B32B]
2005/0215,149 Fire resistant composite material and fabrics therefromAbandonedMar 22, 05Sep 29, 05[B32B]
2005/0215,150 Fire resistant composite material and fabrics therefromAbandonedMar 22, 05Sep 29, 05[B32B]
2005/0215,152 Fire resistant composite material and fabrics therefromAbandonedMar 22, 05Sep 29, 05[B32B]
2004/0258,883 Laminated roofing shingleAbandonedJun 17, 03Dec 23, 04[B32B]
2004/0229,052 Composite materialAbandonedJan 27, 04Nov 18, 04[B32B]
2004/0091,818 High resolution 3-D circuit formation using selective or continuous catalytic paintingAbandonedNov 12, 02May 13, 04[G03F]
2002/0166,336 Hydrocarbon gas processingAbandonedJul 26, 01Nov 14, 02[F25J]
4617039 Separating hydrocarbon gasesExpiredNov 19, 84Oct 14, 86[F25J]
4278457 Hydrocarbon gas processingExpiredJul 14, 77Jul 14, 81[F25J]

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