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Philip Park-Hung Leung
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Edmonton, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Helical blade stabilizer with line-of-sight faces
Patent number
11,982,136
Issue date
May 14, 2024
Halliburton Energy Services, Inc.
Philip Park-Hung Leung
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flow control choke with curved interfaces for wellbore drilling ope...
Patent number
11,946,373
Issue date
Apr 2, 2024
Halliburton Energy Services, Inc.
Hasib Uddin
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cold spraying a coating onto a rotor in a downhole motor assembly
Patent number
11,828,114
Issue date
Nov 28, 2023
Halliburton Energy Services, Inc.
Krutibas Panda
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotating cutter apparatus for reducing the size of solid objects in...
Patent number
11,619,112
Issue date
Apr 4, 2023
Halliburton Energy Services, Inc.
Steven Park
B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information
Patent Grant
Mud motor catch with catch indication and anti-milling
Patent number
11,313,175
Issue date
Apr 26, 2022
Halliburton Energy Services, Inc.
Philip Park-Hung Leung
E21 - EARTH DRILLING MINING
Information
Patent Grant
Radial bearing with wear resistant inserts and a wear resistant coa...
Patent number
10,920,826
Issue date
Feb 16, 2021
Halliburton Energy Services, Inc.
Philip Park-Hung Leung
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stabilizers and bearings for extreme wear applications
Patent number
10,718,374
Issue date
Jul 21, 2020
Halliburton Energy Services, Inc.
Krutibas Panda
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
COLD SPRAYING A COATING ONTO A ROTOR IN A DOWNHOLE MOTOR ASSEMBLY
Publication number
20230203895
Publication date
Jun 29, 2023
Halliburton Energy Services, Inc.
Krutibas Panda
E21 - EARTH DRILLING MINING
Information
Patent Application
FLOW CONTROL CHOKE WITH CURVED INTERFACES FOR WELLBORE DRILLING OPE...
Publication number
20230184058
Publication date
Jun 15, 2023
Halliburton Energy Services, Inc.
Hasib Uddin
E21 - EARTH DRILLING MINING
Information
Patent Application
Helical Blade Stabilizer With Line-Of-Sight Faces
Publication number
20220356769
Publication date
Nov 10, 2022
Halliburton Energy Services, Inc.
Philip Park-Hung Leung
E21 - EARTH DRILLING MINING
Information
Patent Application
Mud Motor Catch With Catch Indication And Anti-Milling
Publication number
20210172251
Publication date
Jun 10, 2021
Halliburton Energy Services, Inc.
Philip Park-Hung Leung
E21 - EARTH DRILLING MINING
Information
Patent Application
Wear Resistant Insert
Publication number
20200378195
Publication date
Dec 3, 2020
Halliburton Energy Services, Inc.
Philip Park-Hung Leung
E21 - EARTH DRILLING MINING
Information
Patent Application
Radial Bearing With Wear Resistant Inserts And A Wear Resistant Coa...
Publication number
20190352966
Publication date
Nov 21, 2019
Halliburton Energy Services, Inc.
Philip Park-Hung Leung
E21 - EARTH DRILLING MINING
Information
Patent Application
STABILIZERS AND BEARINGS FOR EXTREME WEAR APPLICATIONS
Publication number
20190154081
Publication date
May 23, 2019
Halliburton Energy Services, Inc.
Krutibas Panda
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...