Inventor

James T. Cernosek

Inventor

Missouri City, TX, US

Overview

1995–2018

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 12 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary

E21BEarth or rock drilling92%

G01VGeophysics8%

PatentTitleYear

10,107,055Core catcher2018 9,797,244'Apparatus and method for obtaining formation fluid samples utilizing a flow control device in a sample tank'2017 9,777,572'Multi-probe reservoir sampling device'2017 9,752,431'Apparatus and method for obtaining formation fluid samples utilizing a sample clean-up device'2017 9,284,838'Apparatus and method for obtaining formation fluid samples utilizing independently controlled devices on a common hydraulic line'2016 9,243,486'Apparatus and method for determining closure pressure from flowback measurements of a fractured formation'2016 9,068,438'Optimization of sample cleanup during formation testing'2015 7,669,469'Method and apparatus for a continuous data recorder for a downhole sample tank'2010 7,621,325'Dual piston, single phase sampling mechanism and procedure'2009 6,557,632'Method and apparatus to provide miniature formation fluid sample'2003 5,677,631'Coaxial two port waveguide flowline sensor'1997 5,377,755'Method and apparatus for acquiring and processing subsurface samples of connate fluid'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–1997Patents assigned to WESTERN ATLAS INT INC (2)· patent assignee history

1995–2018Based in Missouri City, TX, US· patent location history

2003–2018Patents assigned to BAKER HUGHES INC (10)· patent assignee history

2015–2017Patents assigned to CERNOSEK JAMES T (5)· patent assignee history

2017Patents assigned to BULLOCK WADE (1)· patent assignee history

2018Patents assigned to BAKER HUGHES A GE CO LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAKER HUGHES INC	10	2003–2018
CERNOSEK JAMES Tself	5	2015–2017
WESTERN ATLAS INT INC	2	1995–1997
BAKER HUGHES A GE CO LLC	1	2018
BULLOCK WADE	1	2017

Locations

Location	Patents	Span
Missouri City, Texas, US	12	1995–2018