Inventor · disambiguated record
Jeffrey Michael Calkins
Also filed as: CALKINS JEFFREY MICHAEL
2 granted patents·37 citations·filing 2011–2014
64Inventor score
Top patents by PatentIndex Score
2 records- 0193US9683574B2Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumpsENERGY RECOVERY INC·Filed 2014·Granted Jun 20, 2017·21 cites·14 claims
- 0290US8834028B2Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumpsWINKLER FELIX·Filed 2011·Granted Sep 16, 2014·16 cites·40 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →