Inventor

Patrick J. Zimmerman

Inventor
Houston, TX, US

Overview

36→
Patents
1995–2020
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 36 as inventor

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

E21Bprimary
E21BEarth or rock drilling69%
Y10TTechnical subjects covered by former us classification17%
A61KPreparations for medical, dental or toiletry purposes2%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material2%
B21JForging2%
C07KPeptides2%
C22CAlloys2%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys2%
F16KValves2%
PatentTitleYear
10,626,690Fill up tool20209,845,656Extended length packer with timed setting20179,745,810'Fill up tool'20179,593,553'Sliding sleeve having contracting, segmented ball seat'20179,523,264'Gravel pack crossover tool with low drag force'20169,447,661'Gravel pack and sand disposal device'20169,394,773'Resettable ball seat'20169,163,478'Inwardly swelling seal'20159,085,960'Gravel pack bypass assembly'20159,068,435'Gravel pack inner string adjustment device'20159,057,251'Gravel pack inner string hydraulic locating device'20158,893,810'Arrangement of isolation sleeve and cluster sleeves having pressure chambers'20148,833,471'Fill up tool'20148,800,670'Filler rings for swellable packers and method for using same'20148,714,272'Cluster opening sleeves for wellbore'20148,695,709'Self-orienting crossover tool'20148,245,788'Cluster opening sleeves for wellbore treatment and method of use'20128,087,459'Packer providing multiple seals and having swellable element isolatable from the wellbore'20128,069,918'Magnetic slip retention for downhole tool'20117,789,137'Non-metallic mandrel and element system'20107,789,135'Non-metallic mandrel and element system'20107,789,136'Non-metallic mandrel and element system'20107,779,927'Non-metallic mandrel and element system'20107,779,928'Non-metallic mandrel and element system'20107,124,831'Resin impregnated continuous fiber plug with non-metallic element system'20066,920,932'Joint for use with expandable tubulars'20056,769,491'Anchoring and sealing system for a downhole tool'20046,712,153'Resin impregnated continuous fiber plug with non-metallic element system'20046,609,567'Tubing hanger with lateral feed-through connection'20036,581,681'Bridge plug for use in a wellbore'20036,109,357'Control line actuation of multiple downhole components'20005,988,287'Thru-tubing anchor seal assembly and/or packer release devices'19995,924,491'Thru-tubing anchor seal assembly and/or packer release devices'19995,533,573'Method for completing multi-lateral wells and maintaining selective re-entry into laterals'19965,474,131'Method for completing multi-lateral wells and maintaining selective re-entry into laterals'19955,439,051'Lateral connector receptacle'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2000Patents assigned to BAKER HUGHES INC (6)· patent assignee history
1995–1996Based in The Woodlands, TX, US· patent location history
1999–2020Based in Houston, TX, US· patent location history
2003–2015Patents assigned to WEATHERFORD LAMB (20)· patent assignee history
2011–2016Patents assigned to ZIMMERMAN PATRICK J (12)· patent assignee history
2011–2014Patents assigned to WARD DAVID (6)· patent assignee history
2016–2020Patents assigned to WEATHERFORD TECH HOLDINGS LLC (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WEATHERFORD LAMB202003–2015
ZIMMERMAN PATRICK Jself122011–2016
BAKER HUGHES INC61995–2000
WARD DAVID62011–2014
WEATHERFORD TECH HOLDINGS LLC62016–2020
Locations
LocationPatentsSpan
Houston, Texas, US331999–2020
The Woodlands, Texas, US31995–1996