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Article: Publication No. WO/2009/132125 Published on Oct. 29, Assigned to Longyear for Braking Device, Drilling Operation Usage Method (American Inventor)
- Article from:
- US Fed News Service, Including US State News
- Article date:
- October 31, 2009
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GENEVA, Oct. 31 -- Christopher L. Drenth, United States of America, has developed a braking devices and methods for use in drilling operations.
The patent has been assigned to Longyear TM Inc., South Jordan, Utah.
According to an abstract posted by the World Intellectual Property Organization: "A braking device for drilling operations in a borehole includes a brake retainer having a plurality of brake connector openings defined therein, a body member having a tapered surface having a first diameter and a second diameter, the second diameter being larger than the first diameter, at least one brake element positioned at least partially between the brake retainer and the body member and in ...