692520 N. B. INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 624
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 494
 
  
 
E02B HYDRAULIC ENGINEERING 315
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 245

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8555556 Reservoir with removable cover and a cover-winding gap under the handrail thereofNov 23, 12Oct 15, 13[E04B, E04H]
7430834 Membrane-covered reservoir having a hatchway thereinApr 06, 05Oct 07, 08[E04H]
7309431 Method for breaking a flap-valve attachment condition under a membrane coverApr 14, 05Dec 18, 07[B65D]
6865754 Clarifier coverJul 11, 03Mar 15, 05[E04H]
6612079 Clarifier coverApr 12, 02Sep 02, 03[E02B, E04H]
6497533 Drainage system with membrane cover and method for covering wastewater reservoirJan 22, 02Dec 24, 02[E02B, B65D]
6389757 Clarifier coverJun 21, 00May 21, 02[E04H]
6357964 Drainage system with membrane cover and method for covering wastewater reservoirNov 16, 00Mar 19, 02[E02B, B65D]
6338169 Floating cover for large liquid reservoirOct 18, 00Jan 15, 02[B65D, E04H]
6324792 Circular clarifier with retractable coverSep 21, 00Dec 04, 01[E04B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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