IP Library Granted Patent US 6,607,042
Granted Patent Utility
US 6,607,042 · Confirmation No. 2520

METHOD OF DYNAMICALLY CONTROLLING BOTTOM HOLE CIRCULATION PRESSURE IN A WELLBORE

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Code Description Pages PDF
2019-12-23 OATH Oath or Declaration filed 9 View
2001-05-17 TRNA Transmittal of New Application 1 View
2001-05-17 SPEC Specification 29 View
2001-05-17 CLM Claims 13 View
2001-05-17 ABST Abstract 1 View
2001-05-17 DRW Drawings-only black and white line drawings 7 View
2001-05-17 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,607,042
App. No.
09/858,954
Filed
2001-05-17
Granted
2003-08-19
Pub. No.
US20020170749A1
Art Unit
3672
PTA
-87 days