ENERGREEN AS

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
F01C ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES 128
 
 
 
F03B MACHINES OR ENGINES FOR LIQUIDS 123
 
 
 
F03C POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS 123
 
 
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 161
 
 
 
F04C ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS 146
 
 
 
F17D PIPE-LINE SYSTEMS; PIPE-LINES 113

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8348623 Apparatus and a method for regulation of the energy potential in a fluid column located within a pipelineJun 28, 07Jan 08, 13[H02P, F04B, F17D, F04C, F03B, F03C, F01C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0007,577 Method and System for the Utilization of an Energy Source of Relatively Low TemperatureAbandonedOct 13, 11Jan 09, 14[F01K]
2012/0306,201 FLUID-COOLED LOAD RESISTOR FOR USE IN ENERGY PRODUCTION AND USE THEREFORAbandonedFeb 17, 11Dec 06, 12[H02P, H01C]
2012/0219,433 Apparatus and Method for Facilitating a Hydrostatic Pressure Increase in a Fluid Flowing in a PipeAbandonedOct 22, 10Aug 30, 12[F04B]
2011/0041,489 METHOD AND AN APPARATUS FOR PRODUCING LIQUID FLOW IN A PIPELINEAbandonedApr 01, 09Feb 24, 11[F15B]
2010/0270,171 A System And A Method For Reducing The Amount of Liquid In A Biological MassAbandonedDec 03, 08Oct 28, 10[C02F]

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