EMCO Wheaton Retail Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 460
 
  
 
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 197
 
  
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 141
 
  
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 122
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9228690 Apparatus and method for repairing an existing spill containment manholeApr 19, 13Jan 05, 16[F16L, B65D, B67D]
8425145 Apparatus and method for repairing an existing spill containment manholeMar 31, 10Apr 23, 13[B09B, E02D]
8066037 Dripless nozzleJul 29, 08Nov 29, 11[B65B]
7735529 Dripless nozzleMay 15, 07Jun 15, 10[B65B]
7216680 Dripless nozzleJan 10, 06May 15, 07[B65B]
6983772 Dripless nozzleJul 02, 04Jan 10, 06[B65B]
5518024 Overfill prevention device for storage tanksJun 07, 95May 21, 96[F16K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5887614 Overfill prevention device for storage tanksExpiredMay 20, 96Mar 30, 99[F16K]
5713401 Fuel dispensing and vapor recovery nozzleExpiredDec 22, 95Feb 03, 98[B67D]
5549132 Convertible fuel dispensing nozzleExpiredJun 07, 95Aug 27, 96[B67D]
5469900 Fuel dispensing nozzle having hold-open clip with lockout mechanismExpiredMay 31, 95Nov 28, 95[B65B]
5450884 Multi-compartment spout for fuel dispensing nozzleExpiredMar 22, 94Sep 19, 95[B65B]
D359100 Fuel dispensing nozzleExpiredJan 07, 94Jun 06, 95[]
5417259 Fuel dispensing nozzle with controlled vapor recoveryExpiredJun 09, 94May 23, 95[B65B]
5390712 Fuel dispensing and vapor recovery nozzleExpiredOct 01, 93Feb 21, 95[B67D]
D350386 Fuel dispensing nozzleExpiredOct 19, 92Sep 06, 94[]
5327949 Fuel dispensing nozzleExpiredOct 19, 92Jul 12, 94[B65B]
5027870 Overfill prevention mechanism for storage tanksExpiredMay 01, 90Jul 02, 91[F16K]
4919305 Fuel dispensing nozzle with built-in flow regulatorExpiredApr 04, 89Apr 24, 90[B67D]
4899792 Fueling nozzle providing combination breakaway and swivel couplingExpiredFeb 29, 88Feb 13, 90[F16K]
4896705 Containment manholeExpiredJun 30, 89Jan 30, 90[B65B, B67D]
4770317 Automatic overfill prevention systemExpiredMay 15, 87Sep 13, 88[B65B]
4763806 Containment manholeExpiredFeb 24, 87Aug 16, 88[B67D]
D293462 Fuel dispensing nozzleExpiredOct 18, 85Dec 29, 87[]
4697624 Vapor recovery nozzleExpiredJan 27, 86Oct 06, 87[B67C, B65B]
4649970 Magnetically actuated vapor valveExpiredOct 18, 85Mar 17, 87[F16K, B65B]
4523700 Low flow control nozzleExpiredNov 27, 81Jun 18, 85[B67D]

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