Inventor · disambiguated record
David Gronning
Also filed as: GRONNING DAVID
2 granted patents·4 pending applications·7 citations·filing 2014–2018
46Inventor score
Top patents by PatentIndex Score
6 records- 0166US9518457B2Downhole tool for opening a travelling valve assembly of a reciprocating downhole pumpGRONNING DAVID·Filed 2014·Granted Dec 13, 2016·7 cites·20 claims
- 0233US9890841B2Rod rotatorGLOBAL OIL AND GAS SUPPLIES INC·Filed 2017·Granted Feb 13, 2018·0 cites·8 claims
- 0332US2015075637A1Traveling valve cageGRONNING DAVID·Filed 2014·Application pending·0 cites
- 0425US2019032446A1Ball valve cage assembly for reciprocating downhole pumpGLOBAL OIL AND GAS SUPPLIES INC·Filed 2018·Application pending·0 cites
- 0521US2017145786A1Backflush valveGLOBAL OIL AND GAS SUPPLIES INC·Filed 2016·Application pending·0 cites
- 0619US2016130921A1Downhole pump seating nipple with perforationsGLOBAL OIL AND GAS SUPPLIES INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →