Inventor
BEY ROGER
FR15 patents
⚠️ This page may combine multiple inventors who share the name “BEY ROGER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BEY ROGER
6 patentsUS4530375AJul 23, 1985
Attenuating rotating valve
BEY ROGER48 citations95
US4479510AOct 30, 1984
Attenuating rotating valve having varying configurations
BEY ROGER66 citations95
US4610273ASep 9, 1986
Attenuated rotating valve
BEY ROGER34 citations92
US9933089B2Apr 3, 2018
Decompression insert for rotary valve and rotary valve provided with such an insert
BEY ROGER7 citations83
US8322373B2Dec 4, 2012
Axial drag valve with internal sleeve actuator
BEY ROGER10 citations83
US8312893B2Nov 20, 2012
Axial drag valve with internal hub actuator
BEY ROGER15 citations76
ROTATROL AG
4 patentsUS5937901AAug 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