David Devlin

Person

Calgary, CA

People

Patents Grantslast 30 patents

Information Patent Grant
System, method and apparatus for downhole torque-transferring ball...
- Patent number 11,873,686
- Issue date Jan 16, 2024
- General Downhole Tools, Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool with radial shock absorber and stabilizer
- Patent number 11,851,955
- Issue date Dec 26, 2023
- General Downhole Tools Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Systems, methods, and devices for directionally drilling an oil wel...
- Patent number 11,713,665
- Issue date Aug 1, 2023
- General Downhole Tools, Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing float tool
- Patent number 11,697,968
- Issue date Jul 11, 2023
- NCS Multistage Inc.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing float tool
- Patent number 11,180,958
- Issue date Nov 23, 2021
- NCS Multistage Inc.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole flow diversion device with oscillation damper
- Patent number 11,041,351
- Issue date Jun 22, 2021
- Dynomax Drilling Tools Inc. (Canada)
- David S. Cramer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing float tool
- Patent number 10,883,314
- Issue date Jan 5, 2021
- NCS Multistage Inc.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing float tool
- Patent number 10,883,315
- Issue date Jan 5, 2021
- NCS Multistage Inc.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole flow diversion device with oscillation damper
- Patent number 10,544,637
- Issue date Jan 28, 2020
- Dynomax Drilling Tools USA, Inc.
- David S. Cramer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing float tool
- Patent number 10,465,445
- Issue date Nov 5, 2019
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing float tool
- Patent number 9,593,542
- Issue date Mar 14, 2017
- NCS Multistage Inc.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM, METHOD AND APPARATUS FOR DOWNHOLE TORQUE-TRANSFERRING BALL...
- Publication number 20240141734
- Publication date May 2, 2024
- General Downhole Tools, Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL WITH RADIAL SHOCK ABSORBER AND STABILIZER
- Publication number 20240125185
- Publication date Apr 18, 2024
- General Downhole Tools, Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM, METHOD AND APPARATUS FOR DOWNHOLE TORQUE-TRANSFERRING BALL...
- Publication number 20230295991
- Publication date Sep 21, 2023
- General Downhole Tools, Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL WITH RADIAL SHOCK ABSORBER AND STABILIZER
- Publication number 20220213740
- Publication date Jul 7, 2022
- General Downhole Tools, Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20220178207
- Publication date Jun 9, 2022
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20210115735
- Publication date Apr 22, 2021
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEMS, METHODS, AND DEVICES FOR DIRECTIONALLY DRILLING AN OIL WEL...
- Publication number 20200355056
- Publication date Nov 12, 2020
- General Downhole Tools, Ltd.
- Michael Harvey
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20200332601
- Publication date Oct 22, 2020
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20200240214
- Publication date Jul 30, 2020
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE FLOW DIVERSION DEVICE WITH OSCILLATION DAMPER
- Publication number 20200131871
- Publication date Apr 30, 2020
- Dynomax Drilling Tools USA, Inc.
- David S. Cramer
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20190360301
- Publication date Nov 28, 2019
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20180202260
- Publication date Jul 19, 2018
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE FLOW DIVERSION DEVICE WITH OSCILLATION DAMPER
- Publication number 20180038180
- Publication date Feb 8, 2018
- General Downhole Technologies Ltd.
- David S. CRAMER
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20170138153
- Publication date May 18, 2017
- NCS MULTISTAGE INC.
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
CASING FLOAT TOOL
- Publication number 20140216756
- Publication date Aug 7, 2014
- Donald Getzlaf
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM, METHOD AND APPARATUS FOR PROTECTING DOWNHOLE COMPONENTS FRO...
- Publication number 20120247832
- Publication date Oct 4, 2012
- PHOENIX TECHNOLOGY SERVICES LP
- David S. Cramer
- E21 - EARTH DRILLING MINING

David Devlin

Person

Patents Grantslast 30 patents

System, method and apparatus for downhole torque-transferring ball...

Downhole tool with radial shock absorber and stabilizer

Systems, methods, and devices for directionally drilling an oil wel...

Casing float tool

Casing float tool

Downhole flow diversion device with oscillation damper

Casing float tool

Casing float tool

Downhole flow diversion device with oscillation damper

Casing float tool

Casing float tool

Patents Applicationslast 30 patents

SYSTEM, METHOD AND APPARATUS FOR DOWNHOLE TORQUE-TRANSFERRING BALL...

DOWNHOLE TOOL WITH RADIAL SHOCK ABSORBER AND STABILIZER

SYSTEM, METHOD AND APPARATUS FOR DOWNHOLE TORQUE-TRANSFERRING BALL...

DOWNHOLE TOOL WITH RADIAL SHOCK ABSORBER AND STABILIZER

CASING FLOAT TOOL

CASING FLOAT TOOL

SYSTEMS, METHODS, AND DEVICES FOR DIRECTIONALLY DRILLING AN OIL WEL...

CASING FLOAT TOOL

CASING FLOAT TOOL

DOWNHOLE FLOW DIVERSION DEVICE WITH OSCILLATION DAMPER

CASING FLOAT TOOL

CASING FLOAT TOOL

DOWNHOLE FLOW DIVERSION DEVICE WITH OSCILLATION DAMPER

CASING FLOAT TOOL

CASING FLOAT TOOL

SYSTEM, METHOD AND APPARATUS FOR PROTECTING DOWNHOLE COMPONENTS FRO...