Inventor · disambiguated record
Roger A. Daar, Jr.
Also filed as: DAAR JR ROGER A
0 granted patents·5 pending applications·0 citations·filing 2019–2025
Top patents by PatentIndex Score
5 records- 0143US2025389180A1Density manipulation to achieve a gravity stable fluid interface during the recovery of subsurface brinesSCHLUMBERGER TECHNOLOGY CORP·Filed 2025·Application pending·0 cites
- 0226US2020190388A1Workover fluid compositions and methods of use thereofDAAR JR ROGER A·Filed 2019·Application pending·0 cites
- 0326US2020190392A1Coring fluid compositions and methods of use thereofDAAR JR ROGER A·Filed 2019·Application pending·0 cites
- 0426US2020190387A1Gravel packing fluid compositions and methods of use thereofDAAR JR ROGER A·Filed 2019·Application pending·0 cites
- 0526US2020190386A1Drilling fluid compositions and methods of use thereofDAAR JR ROGER A·Filed 2019·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →