PK SCIENTIFIC, INC., A CORP. OF MARYLAND

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B67D DISPENSING, DELIVERING, OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR 240
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
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

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5431310 Liquid dispenser nozzle assemblyMay 17, 94Jul 11, 95[B65D, B67D]
5255826 Liquid dispenser nozzle assemblyNov 05, 92Oct 26, 93[B05B]
5183184 Liquid dispenser nozzle assemblyMar 04, 91Feb 02, 93[B67D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5320254 Liquid dispenser nozzle assemblyExpiredJun 02, 93Jun 14, 94[B65D, B67D]
H000946 Tip and adaptor assemblyExpiredMar 04, 91Aug 06, 91[E01C]
5025957 Liquid dispenser nozzle assemblyExpiredSep 11, 89Jun 25, 91[B67D]
4917271 Liquid dispensing nozzle assembly with filterExpiredOct 07, 88Apr 17, 90[B67D]

Top Inventors for This Owner

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