Differential iron roughneck

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11313185
APP PUB NO 20210246741A1
SERIAL NO

16785859

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A differential iron roughneck for making or breaking a pipe connection includes: at least one first gripping cylinder for delivering torque to a first pipe; at least one second gripping cylinder for delivering and receiving torque to and from a second pipe; and a differential gearbox including: a primary shaft delivering torque to the at least one first gripping cylinder; and a secondary shaft receiving torque from the at least one second gripping cylinder, where the primary shaft and the secondary shaft rotate at different speeds.

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Patent Owner(s)

Patent OwnerAddress
SAUDI ARABIAN OIL COMPANYDHAHRAN 31311

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Al-Badran, Mohammad Saud Dhahran, SA 14 11
Al-Johar, Abdulwahab Dhahran, SA 6 2
Alhamed, Haytham H Al Khobar, SA 4 1
Alshaarawi, Amjad Dhahran, SA 11 3
Alshalan, Meshari M Dhahran, SA 4 1

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