Inventor · disambiguated record
Steven M. Hafernik
Also filed as: HAFERNIK STEVEN · HAFERNIK STEVEN M
7 granted patents·9 citations·filing 2011–2019
73Inventor score
Top patents by PatentIndex Score
7 records- 0171US9181761B2Riser tensioning systemHAFERNIK STEVEN·Filed 2011·Granted Nov 10, 2015·7 cites·17 claims
- 0257US9540890B1Methods and systems for tensioner connectionDRIL-QUIP INC·Filed 2015·Granted Jan 10, 2017·1 cites·23 claims
- 0356US9470049B2Hydro-pneumatic tensioner with fluid retention deviceDRIL-QUIP INC·Filed 2014·Granted Oct 18, 2016·1 cites·20 claims
- 0448US11603716B2Hydro-pneumatic cylinder with annulus fluid bypassDRIL QUIP INC·Filed 2019·Granted Mar 14, 2023·0 cites·21 claims
- 0542US9926751B2Enhanced ram-style riser tensionerDRIL QUIP INC·Filed 2015·Granted Mar 27, 2018·0 cites·17 claims
- 0641US9784052B2Enhanced ram-style riser tensioner cylinderDRIL-QUIP INC·Filed 2015·Granted Oct 10, 2017·0 cites·19 claims
- 0741US9682752B2Deflection absorbing tensioner frameDRIL-QUIP INC·Filed 2015·Granted Jun 20, 2017·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →