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Inventor

Shane P. Hart

Inventor
Houston, TX, US

Overview

13→
Patents
1988–2018
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 13 as inventor

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

E21Bprimary
E21BEarth or rock drilling72%
F16DCouplings for transmitting rotation11%
Y10TTechnical subjects covered by former us classification11%
F42DBlasting6%
PatentTitleYear
10,036,211Torque limiting device20189,453,374'Torque limiting device'20167,108,064'Milling tool insert and method of use'20066,719,045'Whipstock assembly'20046,715,567'Apparatus and method for forming a pilot hole in a formation'20046,464,002'Whipstock assembly'20026,170,576'Mills for wellbore operations'20016,029,745'Casing cutting and retrieving system'20005,984,005'Wellbore milling inserts and mills'19995,791,417'Tubular window formation'19985,584,350'Wellbore sidetracking methods'19965,253,710'Method and apparatus to cut and remove casing'19934,717,290'Milling tool'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1993Patents assigned to HOMCO INTERNATIONAL INC (2)· patent assignee history
1988Based in Yukon, OK, US· patent location history
1993–2004Based in Houston, TX, US· patent location history
1996Patents assigned to WEATHERFORD US INC (1)· patent assignee history
1998–2006Patents assigned to WEATHERFORD LAMB (8)· patent assignee history
2004Based in Wilaya de Ouargla, DZ· patent location history
2006Based in Dubai, AE· patent location history
2016–2018Patents assigned to WEATHERFORD UK LTD (2)· patent assignee history
2016–2018Based in Cypress, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WEATHERFORD LAMB81998–2006
HOMCO INTERNATIONAL INC21988–1993
WEATHERFORD UK LTD22016–2018
WEATHERFORD US INC11996
Locations
LocationPatentsSpan
Houston, Texas, US81993–2004
Cypress, Texas, US22016–2018
Dubai, AE12006
Wilaya de Ouargla, DZ12004
Yukon, OK, US11988