05963775 is referenced by 70 patents and cites 25 patents.

A milled tooth shaped rotary cone drill bit for drilling oil wells and the like manufactured using a powder metallurgy process in which an alloy powder is pressure molded into the desired bit shape, sintered, and precision machined.

Title
Pressure molded powder metal milled tooth rock bit cone
Application Number
567545
Publication Number
5963775
Application Date
September 15, 1997
Publication Date
October 5, 1999
Inventor
Zhigang Fang
The Woodlands
TX, US
Agent
Christie Parker & Hale
Assignee
Smith International
TX, US
IPC
E21B 9/36
B22F 3/10
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