PG

Per Eivind Gramme

NA Norsk Hydro Asa: 12 patents #3 of 584Top 1%
WL Weir Pumps Limited: 1 patents #2 of 11Top 20%
📍 Porsgrunn, NO: #5 of 184 inventorsTop 3%
Overall (All Time): #423,812 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8012347 Device for separation of fluid, in particular oil, gas and water Gunnar Hannibal Lie 2011-09-06
7901492 Pipe separator inlet Gunnar Hannibal Lie 2011-03-08
7803233 Arrangement for the cleaning of a pipe separator Gunnar Hannibal Lie 2010-09-28
7730942 Method and equipment for the reduction of multiple dispersions Gunnar Hannibal Lie 2010-06-08
7617940 Arrangement related to a separator for the cleaning of such separator Gunnar Hannibal Lie 2009-11-17
7611633 Method and device for separation of a fluid, in particular oil, gas and water Gunnar Hannibal Lie 2009-11-03
7559975 Process for transforming gas/liquid flow into laminar or stratified flow 2009-07-14
7516794 Pipe separator for the separation of fluids, particularly oil, gas and water Ivar Haukom 2009-04-14
7490671 Pipe separator with improved separation Gunnar Hannibal Lie 2009-02-17
7278543 Device for separating multi-phase fluids Svein Ivar Sagatun 2007-10-09
6691781 Downhole gas/water separation and re-injection Alexander Angus Grant, Per Almdahl, Sven Arne Kjolberg, Bjarne Olsen, Terje Sondtvedt 2004-02-17
6277286 Method and device for the separation of a fluid in a well Terje S.o slashed.ntvedt, Hielke Kamps, Per Almdahl 2001-08-21