Inventor
ROLLER HANNO
9 patents
⚠️ This page may combine multiple inventors who share the name “ROLLER HANNO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EICHENAUER GMBH & CO KG F
6 patentsUS4371777AFeb 1, 1983
Continuous flow electric water heater
EICHENAUER GMBH & CO KG F103 citations94
US4418272ANov 29, 1983
Electric heater
EICHENAUER GMBH & CO KG F21 citations80
US4331860AMay 25, 1982
Electrical resistance heating element
EICHENAUER GMBH & CO KG F25 citations77
US4942289AJul 17, 1990
Electric heating element with PTC component
EICHENAUER GMBH & CO KG F15 citations72
US4671072AJun 9, 1987
Sensor for detecting frost deposits
EICHENAUER GMBH & CO KG F16 citations72
US4580123AApr 1, 1986
Thermal protective switch
EICHENAUER GMBH & CO KG F10 citations72
EICHENAUER FA FRITZ
3 patentsUS4343988AAug 10, 1982
Electrical resistance water heating device, particularly for beverage preparation machines
EICHENAUER FA FRITZ117 citations94
US4334141AJun 8, 1982
Combined electric water heating and vessel support plate for a beverage preparation device
EICHENAUER FA FRITZ95 citations94
US4101760AJul 18, 1978
Refractory granular embedding composition for electric heating coils
EICHENAUER FA FRITZ16 citations72