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Randolph L. Stuart
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Odessa, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Power tong frame stiffner
Patent number
11,448,018
Issue date
Sep 20, 2022
Eckel Manufacturing Co., Inc.
Dwayne Austin Weddle
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Power tong with vertically pivoting door
Patent number
11,255,141
Issue date
Feb 22, 2022
Eckel Manufacturing Company, Inc.
Randolph Lewis Stuart
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tong positioning system and method
Patent number
6,966,385
Issue date
Nov 22, 2005
Eckel Manufacturing Co., Inc.
Lance L. Hemphill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Backup tong with swing arms
Patent number
6,938,520
Issue date
Sep 6, 2005
Eckel Manufacturing Co., Inc.
Randolph Stuart
E21 - EARTH DRILLING MINING
Information
Patent Grant
Power tong with improved door mechanism
Patent number
6,058,811
Issue date
May 9, 2000
Eckel Manufacturing Company, Inc.
Randolph L. Stuart
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic backup tong
Patent number
5,778,742
Issue date
Jul 14, 1998
Eckel Manufacturing Company, Inc.
Randolph L. Stuart
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of rotating a tubular member
Patent number
5,746,276
Issue date
May 5, 1998
Eckel Manufacturing Company, Inc.
Randolph L. Stuart
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubular rotation tool for snubbing operations
Patent number
5,566,769
Issue date
Oct 22, 1996
Eckel Manufacturing Company, Inc.
Randolph L. Stuart
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
POWER TONG FRAME STIFFNER
Publication number
20190136649
Publication date
May 9, 2019
Eckel Manufacturing Co. Inc.
Dwayne Austin Weddle
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Application
POWER TONG WITH VERTICALLY PIVOTING DOOR
Publication number
20180252058
Publication date
Sep 6, 2018
Eckel Manufacturing Co. Inc.
Randolph Lewis Stuart
E21 - EARTH DRILLING MINING
Information
Patent Application
Tong positioning system and method
Publication number
20040216890
Publication date
Nov 4, 2004
Lance L. Hemphill
E21 - EARTH DRILLING MINING
Information
Patent Application
High torque power tong
Publication number
20030177870
Publication date
Sep 25, 2003
Billy W. Neves
E21 - EARTH DRILLING MINING