LexDanaLexDanabeta
Inventor

Bruce Mackay

Inventor
Missouri City, TX, US

Overview

5→
Patents
1996–2019
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 drilling71%
F04BPositive-displacement machines for liquids14%
F16KValves14%
PatentTitleYear
10,174,852Hybrid check valve20199,874,063Apparatus and method for storing core samples at high pressure20187,584,655'Formation tester tool seal pad'20097,347,284'Apparatus and method for hard rock sidewall coring of a borehole'20085,487,433'Core separator assembly'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996Patents assigned to WESTERS ATLAS INTERNATIONAL IN (1)· patent assignee history
1996Based in Sugar Land, TX, US· patent location history
2008–2009Patents assigned to HALLIBURTON ENERGY SERV INC (2)· patent assignee history
2008–2019Based in Missouri City, TX, US· patent location history
2009Based in Houston, TX, US· patent location history
2018–2019Patents assigned to HALLIBURTON ENERGY SERVICES INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HALLIBURTON ENERGY SERV INC22008–2009
HALLIBURTON ENERGY SERVICES INC22018–2019
WESTERS ATLAS INTERNATIONAL IN11996
Locations
LocationPatentsSpan
Missouri City, Texas, US32008–2019
Houston, Texas, US12009
Sugar Land, Texas, US11996