LexDanaLexDanabeta
Inventor

Kevin W. Hayes

Inventor
Missouri City, TX, US

Overview

8→
Patents
2006–2013
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 8 as inventor

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

E21Bprimary
E21BEarth or rock drilling80%
F16JPistons10%
F16LPipes10%
PatentTitleYear
8,561,686'Downhole fluid communication apparatus and method'20138,240,375'Field joint for a downhole tool'20128,220,536'Downhole fluid communication apparatus and method'20128,042,611'Field joint for a downhole tool'20117,854,264'Volumetric compensating annular bellows'20107,726,396'Field joint for a downhole tool'20107,191,842'Collapse resistant expandables for use in wellbore environments'20077,055,609'Handling and assembly equipment and method'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2013Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (8)· patent assignee history
2006–2013Based in Missouri City, TX, US· patent location history
2012–2013Patents assigned to BRIQUET STEPHANE (3)· patent assignee history
2012–2013Patents assigned to DEL CAMPO CHRISTOPHER S (3)· patent assignee history
2012–2013Patents assigned to ERVIN STEVE (3)· patent assignee history
2012–2013Patents assigned to BROWN JONATHAN W (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHLUMBERGER TECHNOLOGY CORP82006–2013
BRIQUET STEPHANE32012–2013
DEL CAMPO CHRISTOPHER S32012–2013
ERVIN STEVE32012–2013
BROWN JONATHAN W22012–2013
Locations
LocationPatentsSpan
Missouri City, Texas, US82006–2013