QUANEX CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 1233
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 224
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0218,680 Cornerlock Having a Self Configurable First Body MemberJan 29, 16Aug 03, 17[E06B, F24B]
2016/0215,555 Sill Assembly for a Threshold System and a Method of Producing the SameJan 22, 16Jul 28, 16[B29C, E06B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879472 Frame assembly including a cornerlockJun 05, 15Jan 30, 18[E06B]
9869122 Cornerlock having a self configurable first body memberJan 29, 16Jan 16, 18[E06B, F24B]
9803415 Spacer for insulating glazing unitMay 29, 13Oct 31, 17[E06B]
9562387 Door bottom system for an entryway systemApr 24, 15Feb 07, 17[E06B]
9487992 Threshold assembly for an entryway systemNov 25, 15Nov 08, 16[E06B]
8813427 Threshold assembly having a rail and a drainage elementMay 17, 13Aug 26, 14[E06B]
8683771 Adjustable frame assembly and method of assembling the adjustable frame assemblyApr 04, 12Apr 01, 14[E04C]
8555551 Corner pad for a door assemblyJun 25, 12Oct 15, 13[E06B]
8528212 Method of manufacturing a frame assembly having stile and rail tabs for coupling stile and rail members togetherJan 12, 11Sep 10, 13[B21D]
8499523 Frame assembly having stile and rail tabs for coupling stile and rail members togetherJan 12, 11Aug 06, 13[E04C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7600346 Entryway system including a threshold assemblyExpiredMar 14, 08Oct 13, 09[E06B]
2008/0210,385 RETRACTABLE SCREEN ASSEMBLYAbandonedFeb 28, 08Sep 04, 08[E06B, A47G]
2008/0073,053 SAND CATCHER FOR PRODUCTION OF STEEL AND OTHER METALSAbandonedSep 22, 06Mar 27, 08[B22D]
4850078 Adjustable roller assembly for sliding doorsExpiredOct 21, 88Jul 25, 89[E05D]
4843775 Square butt door frame and method of assemblyExpiredOct 03, 88Jul 04, 89[E04C]
4696498 Tubular connectionExpiredOct 29, 86Sep 29, 87[F16L]
4393507 Method and apparatus for charging lime into an electric arc furnaceExpiredJan 05, 81Jul 12, 83[F27D]

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