US Patent 7416035 Shaped inserts with increased retention force

Patent 7416035 was granted and assigned to Smith International on August, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Anthony Griffo0

Chris E. Cawthorne0

Lance T. Richman0

Ramamurthy Viswanadham0

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Patent abstract

A shaped insert that includes a top portion, and a grip length, wherein the grip length is modified to have a non-uniform cross sectional area is disclosed. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is modified such that the insert is non-cylindrical. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is coated in a non-uniform manner.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=074160350

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