Inventor · disambiguated record
Richard Lyell Holdren
Also filed as: HOLDREN RICHARD L · HOLDREN RICHARD LYELL
4 granted patents·24 citations·filing 2003–2008
72Inventor score
Top patents by PatentIndex Score
4 records- 0181US7741580B2Method of welding a pipe/connector jointNAT OILWELL VARCO LP·Filed 2008·Granted Jun 22, 2010·7 cites·18 claims
- 0272US7510218B2Pipe/connector weld joint, and methods of welding sameGRANT PRIDECO LP·Filed 2004·Granted Mar 31, 2009·14 cites·25 claims
- 0355US7527301B2Pipe/connector weld joint, and methods of welding sameGRANT PRIDECO LP·Filed 2008·Granted May 5, 2009·0 cites·22 claims
- 0444US7062887B1Intersecting structural member and a method for joining sameEDISON WELDING INST·Filed 2003·Granted Jun 20, 2006·3 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →