Inventor · disambiguated record
Alf Kolbjorn Sevre
Also filed as: SEVRE ALF K · SEVRE ALF KOLBJORN
6 granted patents·41 citations·filing 2007–2012
80Inventor score
Technology areasE21B
Files withHALLIBURTON ENERGY SERV INC2ALLISON DAVID B1HALLIBURTON ENERGY SERVICES INC1HOLDERMAN LUKE W1SOLHAUG KRISTIAN1
Top patents by PatentIndex Score
6 records- 0178US7849930B2Swellable packer constructionHALLIBURTON ENERGY SERV INC·Filed 2007·Granted Dec 14, 2010·22 cites·26 claims
- 0266US9464500B2Rapid swelling and un-swelling materials in well toolsALLISON DAVID B·Filed 2010·Granted Oct 11, 2016·3 cites·10 claims
- 0366US8047298B2Well tools utilizing swellable materials activated on demandHALLIBURTON ENERGY SERV INC·Filed 2009·Granted Nov 1, 2011·8 cites·6 claims
- 0462US8302680B2Swellable screen assemblyHOLDERMAN LUKE W·Filed 2009·Granted Nov 6, 2012·6 cites·18 claims
- 0558US9097105B2Swellable screen assemblyHALLIBURTON ENERGY SERVICES INC·Filed 2012·Granted Aug 4, 2015·1 cites·7 claims
- 0656US8453750B2Well tools utilizing swellable materials activated on demandSOLHAUG KRISTIAN·Filed 2011·Granted Jun 4, 2013·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →