05272925 is referenced by 74 patents and cites 11 patents.

A motorised rotary swivel for driving drill pipe in rotation is disclosed. The swivel includes a measuring unit for measuring a dynamometric behavior of the drill pipe which is mounted adjacent to the output of the motor between the motor and a torque wench assembly.

Title
Motorized rotary swivel equipped with a dynamometric measuring unit
Application Number
7/861781
Publication Number
5272925
Application Date
August 7, 1992
Publication Date
December 28, 1993
Inventor
Denis Becq
Pau
FR
Henry Henneuse
Pau
FR
Agent
Bacon & Thomas
Assignee
Societe Natinoale Elf Aquitaine
FR
IPC
G01L 1/00
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