IP Library › Granted Patent US 5,330,016
Granted Patent Utility
US 5,330,016 · App. 08/060,182

Drill bit and other downhole tools having electro-negative surfaces and sacrificial anodes to reduce mud balling

Inventors: William C. Paske, Paul F. Rodney, Ronald D. Ormsby
Patented Case View Patent ↗
Granted: Jul 19, 1994 Filed: May 7, 1993
Inventors
William C. Paske
Paul F. Rodney
Ronald D. Ormsby
Assignee (at issue)
Barold Technology, Inc.

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Quick Facts
Patent No.
US 5,330,016
App. No.
08/060,182
Filed
1993-05-07
Granted
1994-07-19
Kind
A