Inventor · disambiguated record
Derek Copold
Also filed as: COPOLD DEREK · COPOLD DEREK IVAN
6 granted patents·3 pending applications·29 citations·filing 2009–2020
76Inventor score
Top patents by PatentIndex Score
9 records- 0178US8910720B2Downhole tool with roller screw assemblyAGUIRRE FRANZ·Filed 2010·Granted Dec 16, 2014·7 cites·8 claims
- 0277US8602115B2Grip enhanced tractoringAGUIRRE FRANZ·Filed 2009·Granted Dec 10, 2013·19 cites·21 claims
- 0370US10781647B2Downhole rollerSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Sep 22, 2020·2 cites·15 claims
- 0464US10662712B2Modular electro-mechanical assembly for downhole deviceSCHLUMBERGER TECHNOLOGY CORP·Filed 2018·Granted May 26, 2020·1 cites·20 claims
- 0538US10125545B2Placement of stabilizers, standoffs, and rollers on a downhole tool stringSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Nov 13, 2018·0 cites·20 claims
- 0637US10907431B2Fishing tool receiver with locking collarSCHLUMBERGER TECHNOLOGY CORP·Filed 2019·Granted Feb 2, 2021·0 cites·20 claims
- 0733US2021002967A1Downhole rollerSCHLUMBERGER TECHNOLOGY CORP·Filed 2020·Application pending·0 cites
- 0832US2013248208A1Downhole Tool Roller Device With Cylindrical Bearing MechanismSCHLUMBERGER TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 0931US2017114595A1Shaped StandoffSCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →