Invention Grant
- Patent Title: Rotary gripping apparatus for a power tong
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Application No.: US16657572Application Date: 2019-10-18
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Publication No.: US11572746B2Publication Date: 2023-02-07
- Inventor: Arne Tjark Becker , Kevin Wood
- Applicant: Weatherford Technology Holdings, LLC
- Applicant Address: US TX Houston
- Assignee: Weatherford Technology Holdings, LLC
- Current Assignee: Weatherford Technology Holdings, LLC
- Current Assignee Address: US TX Houston
- Agency: Smith IP Services P.C.
- Main IPC: E21B19/16
- IPC: E21B19/16

Abstract:
A power tong including a rotary gripping apparatus having a rotary base having a first jaw and at least one rotary arm movable relative to the rotary base between an open position and a closed position, the at least one rotary arm having a second jaw. A gap is present between the rotary base and the at least one rotary arm for receiving the tubular when the at least one rotary arm is in the open position. The gap is closed when the at least one rotary arm is in the closed position.
Public/Granted literature
- US20210115741A1 ROTARY GRIPPING APPARATUS FOR A POWER TONG Public/Granted day:2021-04-22
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