LexDanaLexDanabeta
Inventor

George J. Melenyzer

Inventor
Cypress, TX, US

Overview

18→
Patents
1989–2021
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 18 as inventor

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

E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
11,035,200Downhole formation protection valve202110,450,829Drillable plug201910,246,966Downhole seal element of changing elongation properties20199,080,422'Liner wiper plug with bypass option'20158,047,280'Drillable bridge plug'20117,980,300'Drillable bridge plug'20117,810,558'Drillable bridge plug'20107,455,118'Secondary lock for a downhole tool'20087,424,909'Drillable bridge plug'20086,772,844'High pressure sealing apparatus and method'20046,155,350'Ball seat with controlled releasing pressure and method setting a downhole tool ball seat with controlled releasing pressure and method setting a downholed tool'20005,511,620'Straight Bore metal-to-metal wellbore seal apparatus and method of sealing in a wellbore'19965,433,275'Double-threaded anchor tubing assembly'19955,417,288'Hydraulic set liner hanger and method'19955,333,692'Straight bore metal-to-metal wellbore seal apparatus and method of sealing in a wellbore'19945,330,001'Lead in guide assembly'19944,911,237'Running tool for liner hanger'19904,848,469'Liner setting tool and method'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2000Patents assigned to BAKER HUGHES INC (7)· patent assignee history
1989–1996Based in Humble, TX, US· patent location history
2000Based in Spring, TX, US· patent location history
2004–2011Patents assigned to SMITH INTERNATIONAL (6)· patent assignee history
2004–2008Based in Tomball, TX, US· patent location history
2010–2021Based in Cypress, TX, US· patent location history
2015–2019Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (3)· patent assignee history
2015Patents assigned to MELENYZER GEORGE J (1)· patent assignee history
2021Patents assigned to FRONTIER OIL TOOLS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BAKER HUGHES INC71989–2000
SMITH INTERNATIONAL62004–2011
SCHLUMBERGER TECHNOLOGY CORP32015–2019
FRONTIER OIL TOOLS12021
MELENYZER GEORGE Jself12015
Locations
LocationPatentsSpan
Cypress, Texas, US72010–2021
Humble, Texas, US71989–1996
Tomball, Texas, US32004–2008
Spring, Texas, US12000