Inventor · disambiguated record
Robert S. Sivley, Iv
Also filed as: SIVLEY IV ROBERT S · SIVLEY ROBERT S · SIVLEY ROBERT S IV
19 granted patents·3 pending applications·647 citations·filing 1999–2020
96Inventor score
Top patents by PatentIndex Score
22 records- 0198US6622797B2Apparatus and method to expand casingHYDRIL CO·Filed 2001·Granted Sep 23, 2003·131 cites·25 claims
- 0296US6607220B2Radially expandable tubular connectionHYDRIL CO·Filed 2001·Granted Aug 19, 2003·185 cites·37 claims
- 0394US7478842B2Coupled connection with an externally supported pin nose sealHYDRIL LLC·Filed 2005·Granted Jan 20, 2009·36 cites·13 claims
- 0491US8029025B1Single taper wedge thread connection with mid-sealHYDRIL CO·Filed 2005·Granted Oct 4, 2011·30 cites·13 claims
- 0587US7469938B2Threaded connection especially for radically plastically expandable conduitHYDRIL CO·Filed 2005·Granted Dec 30, 2008·15 cites·4 claims
- 0687US6976711B2Threaded connection especially for radially plastically expandable conduitHYDRIL CO LP·Filed 2002·Granted Dec 20, 2005·32 cites·31 claims
- 0784US7607333B2Helical groove for a tubular connectionHYDRIL LLC·Filed 2007·Granted Oct 27, 2009·12 cites·12 claims
- 0883US7475917B2Threaded connection with variable flank anglesHYDRIL CO·Filed 2006·Granted Jan 13, 2009·16 cites·8 claims
- 0980US11614186B1Box connection for a pin with relieved thread regionPTC Liberty Tubulars LLC·Filed 2020·Granted Mar 28, 2023·2 cites·13 claims
- 1076US7527304B2Floating wedge thread for tubular connectionHYDRIL LLC·Filed 2004·Granted May 5, 2009·22 cites·36 claims
- 1175US7191841B2Expansion pigHYDRIL COMPANY L P·Filed 2004·Granted Mar 20, 2007·36 cites·34 claims
- 1273US7686350B2Mismatched flanks for a wedge threadHYDRIL LLC·Filed 2006·Granted Mar 30, 2010·7 cites·11 claims
- 1370US8177262B2Mid-seal for expandable connectionsSIVLEY IV ROBERT S·Filed 2005·Granted May 15, 2012·8 cites·17 claims
- 1466US8967272B2Annular pressure relief systemHUNTING ENERGY SERVICES INC·Filed 2014·Granted Mar 3, 2015·4 cites·7 claims
- 1566US6554287B1Collapsing type seal for expandable tubular connectionsHYDRIL CO·Filed 1999·Granted Apr 29, 2003·54 cites·19 claims
- 1665US7383888B2Expansion pigHYDRIL CO·Filed 2007·Granted Jun 10, 2008·7 cites·12 claims
- 1763US6530607B1Two-step threaded connector having differential thread widthHYDRIL CO·Filed 2000·Granted Mar 11, 2003·28 cites·16 claims
- 1857US7380840B2Expandable threaded connectionHYDRIL CO·Filed 2004·Granted Jun 3, 2008·18 cites·13 claims
- 1956US7578039B2Dope relief method for wedge thread connectionsHYDRIL LLC·Filed 2006·Granted Aug 25, 2009·4 cites·16 claims
- 2047US2006071473A1Helical groove for a tubular connectionSIVLEY ROBERT S IV·Filed 2004·Application pending·0 cites
- 2136US2004055759A1Apparatus and method to expand casingFiled 2003·Application pending·0 cites
- 2232US2003222409A1Non-rotating expandable connection with collapsing type sealFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →