RV

Ralph Valkenberg

SP Stackpole International Engineered Products: 2 patents #1 of 3Top 35%
Overall (2017): #113,686 of 506,227Top 25%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9771935 Variable displacement vane pump with thermo-compensation Manfred Arnold, Hans Peter Kutzer 2017-09-26
9534519 Variable displacement vane pump with integrated fail safe function 2017-01-03