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Inventor

Maria M. O'Connell

Inventor
Cypress, TX, US

Overview

5→
Patents
2013–2014
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 5 as inventor

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

E21Bprimary
E21BEarth or rock drilling56%
F16KValves22%
Y10TTechnical subjects covered by former us classification22%
PatentTitleYear
8,839,873'Isolation of zones for fracturing using removable plugs'20148,789,600'Fracing system and method'20148,668,013'Plug counter, fracing system and method'20148,439,082'Retention mechanism for subterranean seals experiencing differential pressure'20138,365,827'Fracturing method to reduce tortuosity'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2014Patents assigned to BAKER HUGHES INC (5)· patent assignee history
2013–2014Patents assigned to O'CONNELL MARIA M (5)· patent assignee history
2013–2014Patents assigned to JOHNSON MICHAEL H (2)· patent assignee history
2013–2014Based in Cypress, TX, US· patent location history
2014Patents assigned to KORKMAZ LALE (2)· patent assignee history
2014Patents assigned to MIRELES HECTOR H (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC52013–2014
O'CONNELL MARIA Mself52013–2014
JOHNSON MICHAEL H22013–2014
KORKMAZ LALE22014
MIRELES HECTOR H22014
Locations
LocationPatentsSpan
Cypress, Texas, US52013–2014