Extech/Exterior Technologies, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 542
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 323
 
  
 
E04D ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS 324
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 243
 
  
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 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
9416590 Building envelope solar heat and daylighting control systemNov 04, 15Aug 16, 16[F21V, E06B, E04F]
8915034 Snap-in glass block systemFeb 11, 14Dec 23, 14[E04B, E04C]
8683764 Snap-in glass block systemFeb 20, 13Apr 01, 14[E04B]
8584424 Wall and skylight panel system with attachment clipDec 15, 11Nov 19, 13[E04B]
8448393 Large-area skylight systemMay 02, 11May 28, 13[E04D]
8443565 Internal structural mullion for standing seam panel systemJul 02, 12May 21, 13[E04D]
8256181 Internal structural mullion for standing seam panel systemNov 25, 09Sep 04, 12[E04D]
8225561 Hybrid skylight and wall panel systemJan 11, 10Jul 24, 12[E06B]
7661234 Reduced friction fastening clip assembly for use with standing seam roof or wall panel systemsAug 09, 06Feb 16, 10[E04B, E04C, E04D]
7621086 Glass block array assemblyMar 05, 08Nov 24, 09[E04C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7788869 Slidable panel clip assembly for use with roof or wall panelsExpiredAug 07, 09Sep 07, 10[E04B, E04D]
7748186 Reduced friction fastening clip assembly for use with standing seam roof or wall panel systemsExpiredJul 31, 09Jul 06, 10[E04B, E04C]
7735276 Glass block assembly for non-vertical useExpiredMar 18, 09Jun 15, 10[E04C]
7587870 Grid system for mounting building blocksExpiredFeb 19, 07Sep 15, 09[E06B, E04B]
7526901 Glass block assembly for non-vertical useExpiredOct 16, 07May 05, 09[E04C]
7426805 Building block assembly systemExpiredFeb 19, 07Sep 23, 08[E04B]
7313893 Panel clip assembly for use with roof or wall panelsExpiredNov 13, 03Jan 01, 08[E04D]
5546713 Overlapping framing system for glazing elementsExpiredApr 13, 95Aug 20, 96[E04D]
4724637 Two sided vertical butt glaze system for window structuresExpiredMay 19, 86Feb 16, 88[E04B]

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