ENVIRO PRODUCTION SYSTEMS INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 791
 
  
 
F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL 324
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
E21B EARTH OR ROCK DRILLING 294
 
  
 
A01F THRESHING; BALING OF STRAW, HAY OR THE LIKE; STATIONARY APPARATUS OR HAND TOOLS FOR FORMING OR BINDING STRAW OR HAY INTO BUNDLES; CUTTING OF HAY, STRAW OR THE LIKE; STORING AGRICULTURAL OR HORTICULTURAL PRODUCE119
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146
 
  
 
F23D BURNERS 131
 
  
 
F28F DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION 151

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0376,096 Hopper Bottom for Storage Bin with Integral AerationSep 12, 16Dec 29, 16[B65D]
2014/0245,972 Heat Exchanger for an Oil Storage TankApr 17, 14Sep 04, 14[F24H, B65D]
2014/0224,191 Burner Tube Heat Exchanger for a Storage TankFeb 12, 14Aug 14, 14[F24H, B65D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9832933 Method and system for grain bin aerationJun 16, 14Dec 05, 17[A01F, B65D]
9731893 Catalytic heating assembly for an oil storage tankApr 17, 15Aug 15, 17[F24H, F28F, B65D, F23D, E21B]
9689248 Dual tank structure integrally supported on a portable base frameSep 09, 13Jun 27, 17[B65D, E21B]
9469473 Hopper bottom for storage bin with integral aerationOct 05, 12Oct 18, 16[B65D]
8651791 Grain bin door assembly with exterior chuteDec 21, 10Feb 18, 14[B65G]
8584905 Hopper bottom for storage binApr 07, 10Nov 19, 13[B65G, B67D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0081,836 Grain Bin Hopper Support Cone with Support Legs which are Uninterrupted Along their Respective Lengths Between Top and Bottom JunctionsAbandonedMay 17, 16Mar 23, 17[E04B, B65D]
8656655 Secondary containment system using modular panelsExpiredMar 08, 12Feb 25, 14[E04B]
2014/0048,534 Dual Tank Structure with Integral Secondary ContainmentAbandonedOct 05, 12Feb 20, 14[B65D, E21B]

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