P

Inventor

FRIES HJALMAR

SE8 patents
⚠️ This page may combine multiple inventors who share the name “FRIES HJALMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FLYGT AB ITT

3 patents
USD341608SNov 23, 1993

Submersible mixer

FLYGT AB ITT25 citations90
US5237228AAug 17, 1993

Submersible machine

FLYGT AB ITT12 citations71
US5477018ADec 19, 1995

Moisture-detecting, switching device and a method of forming the same

FLYGT AB ITT8 citations67

FLYGT AB

3 patents
US4653977AMar 31, 1987

Pump for mixing and pumping liquids

FLYGT AB9 citations71
USD306033SFeb 13, 1990

Submersible mixer

FLYGT AB8 citations68
US4721392AJan 26, 1988

Method and a device for installation of a mixer

FLYGT AB16 citations65

ITT

2 patents
US3957633AMay 18, 1976

Sewage treatment method and apparatus

ITT45 citations89
USD291911SSep 15, 1987

Submersible unit for mixing and aeration of industrial effluent or the like

ITT14 citations72