HMT

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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

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6247607 Low profile secondary sealDec 18, 98Jun 19, 01[B65D]
5758792 Floating roofMay 02, 95Jun 02, 98[B65D]
5680950 Floating roofSep 23, 96Oct 28, 97[B65D]
5628421 Floating roofMay 16, 96May 13, 97[B65D]
5605243 Floating roofApr 10, 96Feb 25, 97[B65D]
5301828 Secondary shoe sealJul 29, 92Apr 12, 94[B65D]
5103992 Shoe seal for floating roof of storage tank, and method of installing sameSep 19, 91Apr 14, 92[B65D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5927534 Seal for floating roof of storage tankExpiredMay 20, 98Jul 27, 99[B65D]
5533640 Floating roofExpiredMay 14, 93Jul 09, 96[E04C, B65D]
5509562 Floating roofExpiredDec 22, 94Apr 23, 96[B65D]
5509563 Apparatus for coupling a pontoon to a floating roof in a storage tank for liquid productsExpiredDec 22, 94Apr 23, 96[B65D]
5321881 Method of installing a shoe seal for floating roof of storage tankExpiredSep 27, 93Jun 21, 94[B23P]
5078293 Shoe seal for lightweight floating roofExpiredApr 18, 90Jan 07, 92[B65D]
5036875 Hydrocarbon monitoring valveExpiredApr 06, 90Aug 06, 91[F16K]
4790446 Floating roof drain systemExpiredSep 13, 82Dec 13, 88[B65D]
4397399 Seal for floating roofs of storage tanksExpiredSep 08, 81Aug 09, 83[H05B, A45D]

Top Inventors for This Owner

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