Dosmatic USA, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01L CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES 253
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 260
 
  
 
F01B MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES 126

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5513963 Direct action fluid motor and injection pumpAug 16, 94May 07, 96[F01L, F04B]
5243897 Magnetically actuated fluid motorApr 07, 92Sep 14, 93[F01L, F01B]
5184943 Rolling diaphragm injection pumpMar 08, 91Feb 09, 93[F04B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4809731 Liquid injection apparatus having an external adjustorExpiredMay 08, 87Mar 07, 89[G05D]
4558715 Apparatus for injecting measured quantities of liquid into a fluid streamExpiredMay 16, 84Dec 17, 85[G05D]

Top Inventors for This Owner

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