Assignee
ROTATROL AG
CH4 patents
Top patents by PatentIndex Score
US5937901AAug 17, 1999
Rotary noise attenuating valve
ROTATROL AG38 citations92
US5772178AJun 30, 1998
Rotary noise attenuating valve
ROTATROL AG45 citations92
US5509446AApr 23, 1996
Ball valve or plug valve provided with an insert
ROTATROL AG43 citations92
US5480123AJan 2, 1996
Butterfly type control valve
ROTATROL AG44 citations92