06543312 is referenced by 51 patents.

A drill bit for use in drilling operations in a wellbore, the drill bit having a bit body including a plurality of bit legs, each supporting a rolling cone cutter; a coupling member formed at an upper portion of the bit body; at least one temperature sensor for monitoring at least one temperature condition of the improved drill bit during drilling operations; and at least one temperature sensor cavity formed in the bit body and adapted for receiving, carrying, and locating the at least one temperature sensor in a particular position relative to the bit body which is empirically determined to optimize temperature sensor discrimination.

Title
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations
Application Number
9/777332
Publication Number
6543312 (B2)
Application Date
February 6, 2001
Publication Date
April 8, 2003
Inventor
Chih Lin
Spring
TX, US
Glenn R Zadrapa
Highlands
TX, US
Don Quy Nguyen
Houston
TX, US
Scott Ray Schmidt
The Woodlands
TX, US
Theodore Edward Zaleski Jr
Houston
TX, US
Eric Charles Sullivan
Houston
TX, US
Agent
Melvin A Hunn
US
Assignee
Baker Hughes Incorporated
TX, US
IPC
B21K 5/02
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