Inventor · disambiguated record
Duncan James Trinder
Also filed as: TRINDER DUNCAN JAMES
7 granted patents·86 citations·filing 2003–2015
84Inventor score
Technology areasE21B
Top patents by PatentIndex Score
7 records- 0177US9217308B2Active external casing packer (ECP) for frac operations in oil and gas wellsWOOD PETER·Filed 2010·Granted Dec 22, 2015·7 cites·36 claims
- 0273US7377325B2CentraliserWEATHERFORD LAMB·Filed 2004·Granted May 27, 2008·39 cites·32 claims
- 0355US7086480B2Tubing anchorWEATHERFORD LAMB·Filed 2003·Granted Aug 8, 2006·15 cites·61 claims
- 0450US7322420B2Tubing expansionWEATHERFORD LAMB·Filed 2004·Granted Jan 29, 2008·14 cites·93 claims
- 0550US7090024B2Tubing anchorWEATHERFORD LAMB·Filed 2003·Granted Aug 15, 2006·11 cites·73 claims
- 0646US10494910B2Active external casing packer (ECP) for frac operations in oil and gas wellsMETA DOWNHOLE LTD·Filed 2015·Granted Dec 3, 2019·0 cites·15 claims
- 0739US8991502B2Sampling assembly for a wellGORDON ALEXANDRE·Filed 2012·Granted Mar 31, 2015·0 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →