Assignee
HUTCHINSON HAYES INTERNATIONAL
US·2 granted patents·165 citations·filing 1983–1993
Top patents by PatentIndex Score
2 records- 0188US4557142AApparatus and method for real-time measurement of drilling fluid propertiesHUTCHINSON HAYES INTERNATIONAL·Filed 1983·Granted Dec 10, 1985·100 cites·40 claims
- 0284US5403260AAutomatic frequency controlled motor backdriveHUTCHINSON HAYES INTERNATIONAL·Filed 1993·Granted Apr 4, 1995·65 cites·26 claims
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