IP Library › Granted Patent US 6,581,691
Granted Patent Utility
US 6,581,691 · Confirmation No. 2524

LANDING ADAPTER FOR SOFT LANDING A TUBING HANGER IN THE BORE OF A PRODUCTION TREE OR WELLHEAD HOUSING

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 Code Description Pages PDF
2001-08-27 TRNA Transmittal of New Application 2 View
2001-08-27 SPEC Specification 13 View
2001-08-27 CLM Claims 5 View
2001-08-27 ABST Abstract 1 View
2001-08-27 DRW Drawings-only black and white line drawings 4 View
2001-08-27 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,581,691
App. No.
09/938,881
Filed
2001-08-27
Granted
2003-06-24
Art Unit
3672
PTA
-8 days