Inventor
OTT HELMUT
DE17 patents
⚠️ This page may combine multiple inventors who share the name “OTT HELMUT”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HERION WERKE KG
8 patentsUS4452267AJun 5, 1984
Pressure regulating valve
HERION WERKE KG34 citations91
US4565209AJan 21, 1986
Pressure regulating valve with feedback control
HERION WERKE KG25 citations81
US4432391AFeb 21, 1984
Impulse valve
HERION WERKE KG20 citations81
US4706548ANov 17, 1987
Two-hand safety control mechanism
HERION WERKE KG20 citations80
US4840198AJun 20, 1989
Control valve
HERION WERKE KG16 citations73
US4371178AFeb 1, 1983
Sealing arrangement, particularly for sealing valve piston relative to valve housing
HERION WERKE KG18 citations73
US4748896AJun 7, 1988
Safety valve assembly
HERION WERKE KG18 citations72
US4254798AMar 10, 1981
Directional control valve
HERION WERKE KG6 citations62