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Brent Marsh
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Dorset, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for connecting a tool string to coiled tubing in downhole...
Patent number
11,371,308
Issue date
Jun 28, 2022
DOWNHOLE TOOLS INTERNATIONAL LIMITED
Brent Neal Marsh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reciprocable impact hammer
Patent number
6,986,394
Issue date
Jan 17, 2006
Varco I/P, Inc.
Brent Marsh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Jar for use in a downhole toolstring
Patent number
6,948,560
Issue date
Sep 27, 2005
Varco I/P, Inc.
Brent Marsh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Breech lock wireline connector
Patent number
6,719,479
Issue date
Apr 13, 2004
Tuboscope I/P, Inc.
Brent Marsh
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Remote operated coil connector apparatus
Patent number
6,698,514
Issue date
Mar 2, 2004
Varco I/P, Inc.
Robert M. Norris
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi-shot tubing perforator
Patent number
6,637,508
Issue date
Oct 28, 2003
Varco I/P, Inc.
Brent Marsh
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
APPARATUS FOR CONNECTING A TOOL STRING TO COILED TUBING IN DOWNHOLE...
Publication number
20190284895
Publication date
Sep 19, 2019
Downhole Tools International Limited
Brent Neal MARSH
E21 - EARTH DRILLING MINING
Information
Patent Application
RECIPROCABLE IMPACT HAMMER
Publication number
20050241842
Publication date
Nov 3, 2005
Brent Marsh
E21 - EARTH DRILLING MINING
Information
Patent Application
JAR FOR USE IN A DOWNHOLE TOOLSTRING
Publication number
20050183889
Publication date
Aug 25, 2005
Brent Marsh
E21 - EARTH DRILLING MINING
Information
Patent Application
Remote operated tool string deployment apparatus
Publication number
20040026078
Publication date
Feb 12, 2004
Robert M. Norris
E21 - EARTH DRILLING MINING
Information
Patent Application
Remote operated coil connector apparatus
Publication number
20030205372
Publication date
Nov 6, 2003
Robert M. Norris
E21 - EARTH DRILLING MINING
Information
Patent Application
Multi-shot tubing perforator
Publication number
20030075316
Publication date
Apr 24, 2003
Brent Marsh
E21 - EARTH DRILLING MINING