Individual holder
JELSMA HENK H
5 granted patents·2 pending applications·77 citations·filing 2005–2013
Individually held — no corporate assignee on record.
Technology mixE21B7
Top patents by PatentIndex Score
7 records- 0185US7441595B2Method and apparatus for single-run formation of multiple lateral passages from a wellboreJELSMA HENK H·Filed 2006·Granted Oct 28, 2008·31 cites·19 claims
- 0278US7422059B2Fluid injection stimulated heavy oil or mineral production systemJELSMA HENK H·Filed 2005·Granted Sep 9, 2008·21 cites·12 claims
- 0377US8590618B2Method and apparatus for single run cutting of well casing and forming subsurface lateral passages from a wellJELSMA HENK H·Filed 2011·Granted Nov 26, 2013·6 cites·14 claims
- 0469US8789607B2Method and apparatus for subsea wellhead encapsulationJELSMA HENK H·Filed 2012·Granted Jul 29, 2014·7 cites·17 claims
- 0569US8770316B2Method and apparatus for high pressure radial pulsed jetting of lateral passages from vertical to horizontal wellboresJELSMA HENK H·Filed 2009·Granted Jul 8, 2014·12 cites·6 claims
- 0641US2014008129A1Multidirectional wellbore penetration system and methods of useJELSMA HENK H·Filed 2013·Application pending·0 cites
- 0735US2007095530A1Steam energized heavy oil production systemJELSMA HENK H·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →