Inventor · disambiguated record
Roy N. Nelson
Also filed as: NELSON ROY N
4 granted patents·1 pending application·5 citations·filing 2012–2012
61Inventor score
Technology areasE21B
Files withFRISBY RAYMOND A5
Top patents by PatentIndex Score
5 records- 0168US9027651B2Barrier valve system and method of closing same by withdrawing upper completionFRISBY RAYMOND A·Filed 2012·Granted May 12, 2015·4 cites·15 claims
- 0254US9016389B2Retrofit barrier valve systemFRISBY RAYMOND A·Filed 2012·Granted Apr 28, 2015·1 cites·21 claims
- 0341US9016372B2Method for single trip fluid isolationFRISBY RAYMOND A·Filed 2012·Granted Apr 28, 2015·0 cites·24 claims
- 0439US9828829B2Intermediate completion assembly for isolating lower completionFRISBY RAYMOND A·Filed 2012·Granted Nov 28, 2017·0 cites·13 claims
- 0536US2013255961A1Method and system for running barrier valve on production stringFRISBY RAYMOND A·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →