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Ishwar Dilip Patil
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Sping, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Cementing apparatus for reverse cementing
Patent number
12,060,763
Issue date
Aug 13, 2024
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shearable drive pin assembly
Patent number
11,898,416
Issue date
Feb 13, 2024
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Grant
External sleeve cementer
Patent number
11,885,197
Issue date
Jan 30, 2024
Halliburton Energy Services, Inc.
Ishwar Patil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cementing apparatus for reverse cementing
Patent number
11,746,618
Issue date
Sep 5, 2023
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stage cementer packer
Patent number
11,566,489
Issue date
Jan 31, 2023
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Telescopic stage cementer packer
Patent number
11,519,242
Issue date
Dec 6, 2022
Halliburton Energy Services, Inc.
Avinash Gopal Dharne
E21 - EARTH DRILLING MINING
Information
Patent Grant
Buoyancy assist tool with waffle debris barrier
Patent number
11,230,905
Issue date
Jan 25, 2022
Halliburton Energy Services, Inc.
Lonnie Carl Helms
E21 - EARTH DRILLING MINING
Information
Patent Grant
Buoyancy assist tool with annular cavity and piston
Patent number
11,142,994
Issue date
Oct 12, 2021
Halliburton Energy Services, Inc.
Min Mark Yuan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Buoyancy assist tool with floating piston
Patent number
11,105,166
Issue date
Aug 31, 2021
Halliburton Energy Services, Inc.
Min Mark Yuan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Buoyancy assist tool with overlapping membranes
Patent number
11,072,990
Issue date
Jul 27, 2021
Halliburton Energy Services, Inc.
Min Mark Yuan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Buoyancy assist tool with debris barrier
Patent number
10,995,583
Issue date
May 4, 2021
Halliburton Energy Services, Inc.
Lonnie Carl Helms
E21 - EARTH DRILLING MINING
Information
Patent Grant
Buoyancy assist tool with center diaphragm debris barrier
Patent number
10,989,013
Issue date
Apr 27, 2021
Halliburton Energy Services, Inc.
Lonnie Carl Helms
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
CEMENTING APPARATUS FOR REVERSE CEMENTING
Publication number
20230399918
Publication date
Dec 14, 2023
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Application
EXTERNAL SLEEVE CEMENTER
Publication number
20230139858
Publication date
May 4, 2023
Halliburton Energy Services, Inc.
Ishwar Patil
E21 - EARTH DRILLING MINING
Information
Patent Application
SHEARABLE DRIVE PIN ASSEMBLY
Publication number
20220364437
Publication date
Nov 17, 2022
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Application
STAGE CEMENTER PACKER
Publication number
20220349272
Publication date
Nov 3, 2022
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Application
TELESCOPIC STAGE CEMENTER PACKER
Publication number
20220349273
Publication date
Nov 3, 2022
Halliburton Energy Services, Inc.
Avinash Gopal Dharne
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENTING APPARATUS FOR REVERSE CEMENTING
Publication number
20220136364
Publication date
May 5, 2022
Halliburton Energy Services, Inc.
Ishwar Dilip Patil
E21 - EARTH DRILLING MINING
Information
Patent Application
BUOYANCY ASSIST TOOL WITH ANNULAR CAVITY AND PISTON
Publication number
20210254430
Publication date
Aug 19, 2021
Halliburton Energy Services, Inc.
Min Mark Yuan
E21 - EARTH DRILLING MINING
Information
Patent Application
BUOYANCY ASSIST TOOL WITH WAFFLE DEBRIS BARRIER
Publication number
20210164324
Publication date
Jun 3, 2021
Halliburton Energy Services, Inc.
Lonnie Carl Helms
E21 - EARTH DRILLING MINING
Information
Patent Application
BUOYANCY ASSIST TOOL WITH CENTER DIAPHRAGM DEBRIS BARRIER
Publication number
20210148185
Publication date
May 20, 2021
Halliburton Energy Services, Inc.
Lonnie Carl Helms
E21 - EARTH DRILLING MINING
Information
Patent Application
BUOYANCY ASSIST TOOL WITH DEBRIS BARRIER
Publication number
20210131222
Publication date
May 6, 2021
Halliburton Energy Services, Inc.
Lonnie Carl Helms
E21 - EARTH DRILLING MINING
Information
Patent Application
BUOYANCY ASSIST TOOL WITH OVERLAPPING MEMBRANES
Publication number
20210123317
Publication date
Apr 29, 2021
Halliburton Energy Services, Inc.
Min Mark Yuan
E21 - EARTH DRILLING MINING
Information
Patent Application
BUOYANCY ASSIST TOOL WITH FLOATING PISTON
Publication number
20210062598
Publication date
Mar 4, 2021
Halliburton Energy Services, Inc.
Min Mark Yuan
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL FOR CEMENTING A BOREHOLE
Publication number
20200378216
Publication date
Dec 3, 2020
Halliburton Energy Services, Inc.
Frank Vinicio Acosta
E21 - EARTH DRILLING MINING