Assignee
HUTCHISON HAYES INTERNATIONAL
US·7 granted patents·165 citations·filing 1998–2002
Top patents by PatentIndex Score
7 records- 0178US6432299B1Cuttings dryer for removing liquid from a slurryHUTCHISON HAYES INTERNATIONAL·Filed 2000·Granted Aug 13, 2002·26 cites·18 claims
- 0275US6607659B2Drilling mud reclamation system with mass flow sensorsHUTCHISON HAYES INTERNATIONAL·Filed 2000·Granted Aug 19, 2003·48 cites·24 claims
- 0369US6073709ASelective apparatus and method for removing an undesirable cut from drilling fluidHUTCHISON HAYES INTERNATIONAL·Filed 1998·Granted Jun 13, 2000·48 cites·47 claims
- 0460US6590769B2Purge and cooling system for enclosure for hazardous environmentHUTCHISON HAYES INTERNATIONAL·Filed 2002·Granted Jul 8, 2003·8 cites·19 claims
- 0547US6155964ACentrifuge drive system providing optimum performanceHUTCHISON HAYES INTERNATIONAL·Filed 1999·Granted Dec 5, 2000·13 cites·17 claims
- 0646US6193076B1Drilling fluid purification method and apparatusHUTCHISON HAYES INTERNATIONAL·Filed 1998·Granted Feb 27, 2001·12 cites·11 claims
- 0741US6230899B1Sintered centrifuge separation systemHUTCHISON HAYES INTERNATIONAL·Filed 1999·Granted May 15, 2001·10 cites·15 claims
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