LexDanaLexDanabeta
Inventor

Martin Sorrells

Inventor
Conroe, TX, US

Overview

6→
Patents
1992–2012
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

G01Vprimary
G01VGeophysics44%
G04FTime-interval measuring22%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses22%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
8,340,911'Compensated ensemble crystal oscillator for use in a well borehole system'20127,916,578'Seismic wave generation systems and methods for cased wells'20117,230,543'Downhole clock synchronization apparatus and methods for use in a borehole drilling environment'20077,046,584'Compensated ensemble crystal oscillator for use in a well borehole system'20065,724,308'Programmable acoustic borehole logging'19985,109,946'Apparatus for pack-off locking of seismic energy source'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to OMNITECH SERVICES INC (1)· patent assignee history
1992Based in Buffalo, TX, US· patent location history
1998–2012Based in Conroe, TX, US· patent location history
2006Patents assigned to PREC DRILLING TECH SERV GROUP (1)· patent assignee history
2007–2012Patents assigned to WEATHERFORD CANADA PARTNERSHIP (2)· patent assignee history
2011Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (1)· patent assignee history
2011Based in Huffman, TX, US· patent location history
2012Patents assigned to MINTO JAMES (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WEATHERFORD CANADA PARTNERSHIP22007–2012
MINTO JAMES12012
OMNITECH SERVICES INC11992
PREC DRILLING TECH SERV GROUP12006
SCHLUMBERGER TECHNOLOGY CORP12011
Locations
LocationPatentsSpan
Conroe, Texas, US41998–2012
Huffman, Texas, US12011
Buffalo, Texas, US11992