Draw-works and method for operating the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10138098
APP PUB NO 20160289052A1
SERIAL NO

15074489

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Importance

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Abstract

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Disclosed is a draw-works and a method of operation. The draw-works includes a first drum configured to store and reel in an elongated hoisting member, such as a hoisting cable, a second drum configured to store and reel in the elongated hoisting member, and a rotation device configured to rotate the first and second drums, wherein at least one of the drums is selectively connectable to and disconnectable from the rotation device.

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Patent Owner(s)

Patent OwnerAddress
GRANT PRIDECO INC10353 RICHMOND AVENUE HOUSTON TX 77042

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Rajic, Ivan Tananger, NO 5 145
Sørensen, Rune Vedavågen, NO 1 120
Watson, Timothy Leduc, CA 14 201

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