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Travis W. Woodson
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Orlando, OK, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dual pipe drill head quick interchange joint
Patent number
11,578,540
Issue date
Feb 14, 2023
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual pipe drill head quick interchange joint
Patent number
11,208,851
Issue date
Dec 28, 2021
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stacked-plate reamer
Patent number
10,538,969
Issue date
Jan 21, 2020
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Stacked-plate reamer
Patent number
10,036,205
Issue date
Jul 31, 2018
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual pipe drilling head with improved bearing retention structure
Patent number
9,611,695
Issue date
Apr 4, 2017
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DUAL PIPE DRILL HEAD QUICK INTERCHANGE JOINT
Publication number
20230193701
Publication date
Jun 22, 2023
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL PIPE DRILL HEAD QUICK INTERCHANGE JOINT
Publication number
20220120145
Publication date
Apr 21, 2022
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Application
Dual Pipe Drill Head Quick Interchange Joint
Publication number
20200040668
Publication date
Feb 6, 2020
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Application
Stacked-Plate Reamer
Publication number
20180313159
Publication date
Nov 1, 2018
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Application
Pullback Assembly
Publication number
20170211337
Publication date
Jul 27, 2017
The Charles Machine Works, Inc.
Travis W. Woodson
E21 - EARTH DRILLING MINING
Information
Patent Application
Stacked-Plate Reamer
Publication number
20160356091
Publication date
Dec 8, 2016
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Application
Dual Pipe Drilling Head With Improved Bearing Retention Structure
Publication number
20140305709
Publication date
Oct 16, 2014
The Charles Machine Works, Inc.
Greg L. Slaughter
E21 - EARTH DRILLING MINING
Information
Patent Application
Data Transfer In A Two-Pipe Directional Drilling System
Publication number
20130014992
Publication date
Jan 17, 2013
The Charles Machine Works, Inc.
Richard F. Sharp
E21 - EARTH DRILLING MINING