Assignee
HYDRIL LLC
US·9 granted patents·112 citations·filing 2004–2007
Top patents by PatentIndex Score
9 records- 0194US7478842B2Coupled connection with an externally supported pin nose sealHYDRIL LLC·Filed 2005·Granted Jan 20, 2009·36 cites·13 claims
- 0284US7717478B2Scalloped wedge threadsHYDRIL LLC·Filed 2006·Granted May 18, 2010·15 cites·10 claims
- 0384US7607333B2Helical groove for a tubular connectionHYDRIL LLC·Filed 2007·Granted Oct 27, 2009·12 cites·12 claims
- 0477US7575255B2Wedge thread with high-angle metal sealHYDRIL LLC·Filed 2006·Granted Aug 18, 2009·9 cites·19 claims
- 0576US7527304B2Floating wedge thread for tubular connectionHYDRIL LLC·Filed 2004·Granted May 5, 2009·22 cites·36 claims
- 0673US7686350B2Mismatched flanks for a wedge threadHYDRIL LLC·Filed 2006·Granted Mar 30, 2010·7 cites·11 claims
- 0770US7500698B2Pseudo two-step connectionHYDRIL LLC·Filed 2007·Granted Mar 10, 2009·4 cites·20 claims
- 0865US7497481B2Treating method and design method for tubular connectionsHYDRIL LLC·Filed 2005·Granted Mar 3, 2009·3 cites·7 claims
- 0956US7578039B2Dope relief method for wedge thread connectionsHYDRIL LLC·Filed 2006·Granted Aug 25, 2009·4 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →