VARIABLE DIAMETER COLUMN

Brand Owner Address Description
VDC Gunther, Johan M. 420 Georgina Avenue Santa Monica CA 90402 VARIABLE DIAMETER COLUMN;Color is not claimed as a feature of the mark.;licensing of the right to use of a proprietary method of constructing pilings and laterally extending subsurface structures;
 

Where the owner name is not linked, that owner no longer owns the brand

    
Technical Examples
  1. A perforated tray without downcomer having only a small deviation between the opening ratio based on the diameter of a column and the actual opening ratio and a perforated tray column without downcomer formed by disposing such perforated trays without downcomer are provided. The perforated trays without downcomer are characterized by having a ratio of (A)/(B) in the range of 1.1-1.5, wherein A denotes the opening ratio found from the standard pitch between centers of holes and (B) denotes the opening ratio based on the diameter of a column.