SOUTHERN FLOW COMPANIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
  
 
F04F PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED 113

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8256504 Unlimited stroke drive oil well pumping systemSep 05, 07Sep 04, 12[F04B, E21B]
8246315 Drip pump systemOct 29, 08Aug 21, 12[F04F]
8066496 Reciprocated pump system for use in oil wellsJan 29, 07Nov 29, 11[F04B, E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0328,457 Unlimited Stroke Drive Oil Well Pumping SystemAbandonedSep 04, 12Dec 27, 12[F04B, B66D]
2012/0315,154 Drip Pump System and MethodAbandonedAug 20, 12Dec 13, 12[F04B]
2012/0114,510 Reciprocated Pump System for Use in Oil WellsAbandonedNov 23, 11May 10, 12[F04B, F16J]

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