"3D HIGH PERFORMANCE BUTTERFLY VALVES"
Patent Nr. TO096A000663 dated 31/07/1996

"DUOCOM" BUTTERFLY VALVES
Patent Nr. TO098A000018 dated 12/01/1998

DISCK CHECK VALVES
Patent Nr. GE94U000027 dated 27/07/1994

BALL VALVES C_BALL type
Patent Nr. TO093A000845 dated 09/11/1993

QUICK CLOSING VALVES
Patent Nr. 22102/A/77 dated 05/04/1977

TANKER GATE VALVES RIZZIO "2103"
Patent Nr. 2103 dated 05/03/1959