DAYTON SUPERIOR CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 1511
 
  
 
E04G SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS159
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 624
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 518
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 424
 
  
 
E01C CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR 425
 
  
 
1205 ELEVATORS AND HOISTS FOR LOADING OR CONVEYING415
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 3122
 
  
 
E05B LOCKS; ACCESSORIES THEREFOR; HANDCUFFS347
 
  
 
F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING 346

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9347231 Construction hanger braceSep 13, 12May 24, 16[F16B, E04B, E04G]
9297173 Jump form systemMay 16, 13Mar 29, 16[E04G]
8464996 Jump form systemJan 22, 09Jun 18, 13[E04G]
8322108 Post-tension intersection chairJul 20, 05Dec 04, 12[E04C]
8186645 Tilt-up concrete form braceApr 11, 02May 29, 12[E04G]
8042786 Locking system having mounting block with mounting arm and slide member for securing concrete form panelsJun 16, 05Oct 25, 11[E05B, E05C, E04G]
7887735 Method of forming a void in a mass of concrete using a dowel void formerFeb 06, 09Feb 15, 11[B29C, B28B]
7828263 Concrete form brace and battering wedgeJul 22, 04Nov 09, 10[E04G]
7775010 Slab bolster couplingJan 23, 08Aug 17, 10[E04C]
7497059 Multi-level post tension cable support chair and method of useNov 14, 03Mar 03, 09[E04C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0222,682 CONSTRUCTION HANGER BRACEAbandonedApr 12, 16Aug 04, 16[F16M, E04B, E04G]
2016/0017,593 SLOTTED INSERT WITH CAPTURED NUT ANCHORAbandonedJul 15, 14Jan 21, 16[E04B]
2010/0308,506 Form Release Composition and MethodAbandonedJun 02, 10Dec 09, 10[B28B]
2008/0307,727 Molded Polymer Cap with Conformable Internal StructureAbandonedJun 15, 07Dec 18, 08[E04G]
2007/0193,189 Rebar Support ChairAbandonedJan 23, 07Aug 23, 07[E04C]
2007/0120,875 Computer aided design interfaceAbandonedNov 30, 05May 31, 07[G09G]
6951329 Concrete wall form with flexible tie systemExpiredJan 07, 03Oct 04, 05[E04G]
6865859 Conversion corner chamfer for form workExpiredJul 03, 02Mar 15, 05[E04B]
6755387 Transition strip for disparate concrete formsExpiredFeb 07, 02Jun 29, 04[E04G]
6733059 Outside conversion corner for form workExpiredApr 11, 02May 11, 04[E04G]
6729079 Concrete anchorExpiredJul 26, 01May 04, 04[E02D]
6676102 Adjustable modular form system and method for rectilinear concrete column formExpiredFeb 18, 00Jan 13, 04[B28B, E04G]
2003/0233,804 Joint reinforcementAbandonedJun 25, 02Dec 25, 03[E04B]
6605240 Over the top hinged concrete form and method of using the sameExpiredFeb 16, 01Aug 12, 03[E04G]
2003/0140,590 Flange connectorAbandonedMar 26, 02Jul 31, 03[E04B, E04C]
6460824 Concrete void former and cooperating coverExpiredApr 07, 00Oct 08, 02[E04G]
6419204 Outside conversion corner for form workExpiredNov 22, 00Jul 16, 02[E04G]
6361014 Concrete form waler bracketExpiredJul 09, 99Mar 26, 02[E04G]
5967691 Quick connect rebar spliceExpiredDec 02, 97Oct 19, 99[F16B]
5943830 Knee brace bracket for tilt-up constructionExpiredMay 26, 98Aug 31, 99[E04G, E04H]

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