Inventor

PIETANZA VINCENZO

IT3 patents

Patents

3 patents

US10359113B2Jul 23, 2019

Seal assembly for a valve stem

NUOVO PIGNONE SRL8 citations76

US9890874B2Feb 13, 2018

Multistage trim for control valves

NUOVO PIGNONE SRL5 citations68

US9638342B2May 2, 2017

Control valve for gas and liquids

NUOVO PIGNONE SRL0 citations48