John P. Markiewicz — 5 Patents at Schlumberger Technology

John P. Markiewicz has been granted 5 US patents while listed as an inventor at Schlumberger Technology. The first was granted in 2001 and the most recent in November 2015. John P. Markiewicz ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list John P. Markiewicz in Andover, MA, US.

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Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9187979	Method for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids	Brian C. Considine, John A. Cogliandro, Maureen P. Cogliandro, John M. Moses, John R. Hannon	2015-11-17	$46,328,000
8096349	Apparatus for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids	Brian C. Considine, John A. Cogliandro, Maureen P. Cogliandro, John M. Moses, John R. Hannon	2012-01-17	$77,466,000
7875120	Method of cleaning an industrial tank using electrical energy and critical fluid	Brian C. Considine, John A. Cogliandro, Maureen P. Cogliandro, John M. Moses, John R. Hannon	2011-01-25	$20,676,000
7461693	Method for extraction of hydrocarbon fuels or contaminants using electrical energy and critical fluids	Brian C. Considine, John A. Cogliandro, Maureen P. Cogliandro, John M. Moses, John R. Hannon	2008-12-09	$109,019,000
6312528	Removal of contaminants from materials	John W. Summerfield, John M. Moses, Randall L. Barcus	2001-11-06

John P. Markiewicz — 5 Patents

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