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Inventor

Monty E. Harris

Inventor
Azle, TX, US

Overview

12→
Patents
1978–2001
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 12 as inventor

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

E21Bprimary
E21BEarth or rock drilling92%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors8%
PatentTitleYear
6,182,762'Storm valve'20015,975,211'Wellhead bore isolation tool'19995,857,524'Liner hanging, sealing and cementing tool'19995,443,124'Hydraulic port collar'19954,735,268'Mechanical setting tool'19884,708,202'Drillable well-fluid flow control tool'19874,679,624'Hydraulic setting tool'19874,397,351'Packer tool for use in a wellbore'19834,317,486'Cementing head apparatus and method of operation'19824,274,489'Retrievable bridge plug and method of setting'19814,246,967'Cementing head apparatus and method of operation'19814,111,334'Ball injector'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to DOW CHEMICAL CO (5)· patent assignee history
1978Based in Agua Dulce, TX, US· patent location history
1981–1983Based in Cleveland, OK, US· patent location history
1987–1988Patents assigned to WESTERN CO OF NORTH AMERICA (3)· patent assignee history
1987–2001Based in Azle, TX, US· patent location history
1995Patents assigned to CTC INTERNATIONAL (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO51978–1983
WESTERN CO OF NORTH AMERICA31987–1988
CTC INTERNATIONAL11995
Locations
LocationPatentsSpan
Azle, Texas, US71987–2001
Cleveland, OK, US41981–1983
Agua Dulce, Texas, US11978