Inventor · disambiguated record
Richard W. Delange
Also filed as: DELANGE RICHARD · DELANGE RICHARD W
26 granted patents·3 pending applications·1,114 citations·filing 1983–2020
97Inventor score
Files withGRANT PRIDECO LP10WEATHERFORD TECH HOLDINGS LLC5DELANGE RICHARD W2EVANS MERLE E2GRANT PRIDECO INC2
Top patents by PatentIndex Score
29 records- 0196US5092635AButtress thread formBAKER HUGHES INC·Filed 1990·Granted Mar 3, 1992·238 cites·14 claims
- 0294US5931511AThreaded connection for enhanced fatigue resistanceGRANT PRIDECO INC·Filed 1997·Granted Aug 3, 1999·178 cites·20 claims
- 0393US6863313B1Threaded connection for internally clad pipeGRANT PRIDECO LP·Filed 2001·Granted Mar 8, 2005·57 cites·23 claims
- 0491US4538840AConnector means for use on oil and gas well tubing or the likeDELANGE RICHARD W·Filed 1983·Granted Sep 3, 1985·80 cites·14 claims
- 0590US6581980B1Threaded connection with high compressive ratingGRANT PRIDECO LP·Filed 2000·Granted Jun 24, 2003·66 cites·34 claims
- 0690US6550821B2Threaded connectionGRANT PRIDECO LP·Filed 2001·Granted Apr 22, 2003·116 cites·22 claims
- 0789US6811189B1Corrosion seal for threaded connectionsGRANT PRIDECO LP·Filed 2000·Granted Nov 2, 2004·54 cites·7 claims
- 0884US6273474B1Threaded connection for internally clad pipeGRANT PRIDECO LP·Filed 1999·Granted Aug 14, 2001·48 cites·30 claims
- 0983US8181707B2Apparatus and methods to protect connectionsEVANS MERLE E·Filed 2010·Granted May 22, 2012·8 cites·26 claims
- 1083US7086669B2Method and apparatus for sealing radially expanded jointsGRANT PRIDECO LP·Filed 2002·Granted Aug 8, 2006·29 cites·12 claims
- 1181US7438329B2Methods and connections for coupled pipeV & M ATLAS BRADFORD LP·Filed 2005·Granted Oct 21, 2008·18 cites·16 claims
- 1280US7350830B1Pressure relieved thread connectionGRANT PRIDECO LP·Filed 2005·Granted Apr 1, 2008·12 cites·16 claims
- 1380US6905149B2Pressure relieved thread connectionGRANT PRIDECO LP·Filed 2003·Granted Jun 14, 2005·26 cites·19 claims
- 1480US5040827AMethod and apparatus for improved oilfield connectionsTUBULAR TECHNOLOGY INC·Filed 1990·Granted Aug 20, 1991·38 cites·18 claims
- 1573US6609735B1Threaded and coupled connection for improved fatigue resistanceGRANT PRIDECO LP·Filed 1999·Granted Aug 26, 2003·69 cites·14 claims
- 1672US9657555B2Couplings for expandable tubularWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted May 23, 2017·3 cites·11 claims
- 1764US11434729B2Expandable linerWEATHERFORD TECH HOLDINGS LLC·Filed 2020·Granted Sep 6, 2022·0 cites·16 claims
- 1864US9044802B2Dynamic load expansion test bench and method of expanding a tubularEVANS MERLE E·Filed 2010·Granted Jun 2, 2015·1 cites·44 claims
- 1963US7798238B2Apparatus and methods to protect connectionsWEATHERFORD LAMB·Filed 2007·Granted Sep 21, 2010·6 cites·24 claims
- 2063US6042153AThreaded connection for internally clad pipeGRANT PRIDECO INC·Filed 1998·Granted Mar 28, 2000·39 cites·28 claims
- 2162US8714243B2Methods and apparatus relating to expansion tools for tubular stringsDELANGE RICHARD W·Filed 2010·Granted May 6, 2014·2 cites·10 claims
- 2260US6406070B1Casing drilling connector with low stress flex grooveGRANT PRIDECO LP·Filed 2000·Granted Jun 18, 2002·26 cites·20 claims
- 2355US10156128B2Couplings for expandable tubularWEATHERFORD TECH HOLDINGS LLC·Filed 2017·Granted Dec 18, 2018·0 cites·18 claims
- 2455US2021071504A1Expandable linerWEATHERFORD TECH HOLDINGS LLC·Filed 2020·Application pending·0 cites
- 2551US10648297B2Expandable linerWEATHERFORD LAMB INC·Filed 2013·Granted May 12, 2020·0 cites·21 claims
- 2651US9169722B2Methods and apparatus relating to expansion tools for tubular stringsWEATHERFORD TECHNOLOGY HOLDINGS LLC·Filed 2014·Granted Oct 27, 2015·0 cites·11 claims
- 2750US10865625B2Expandable linerWEATHERFORD TECH HOLDINGS LLC·Filed 2016·Granted Dec 15, 2020·0 cites·18 claims
- 2844US2005012278A1Metal sleeve seal for threaded connectionsFiled 2004·Application pending·0 cites
- 2937US2006061099A1Method for sealing radially expanded jointsEVANS M E·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →