HENGESTONE HOLDINGS INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 226
 
  
 
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
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146
 
  
 
E04C STRUCTURAL ELEMENTS; BUILDING MATERIALS 125
 
  
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 126

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9453341 Wall system having core supporting blocks and decorative fascia blocksAug 18, 15Sep 27, 16[E01F, E04B, E04C, E04F, E02D]
6565062 Apparatus for the splitting of cast concrete dual blocksMar 05, 01May 20, 03[B29C, B28B]
D464147 Paving stoneNov 19, 01Oct 08, 02[2501]
D464148 Paving stoneNov 19, 01Oct 08, 02[2501]
6382947 Color blending apparatusAug 22, 00May 07, 02[B28B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6324783 Integrally moulded plastic landscape edging strip and spikesExpiredDec 03, 99Dec 04, 01[A01G]
6226954 Process and apparatus for the splitting of cast concrete dual blocksExpiredJan 13, 99May 08, 01[B28B]
D313280 Modular block for retaining wallExpiredFeb 28, 89Dec 25, 90[]

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