Inventor

DORIUS JOHN O

US6 patents

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

ELSTERS INC

2 patents

US4129121ADec 12, 1978

Exhaust hood canopy having a multi slot venturi outlet

ELSTERS INC19 citations70

US4137904AFeb 6, 1979

Exhaust hood employing a venturi slot

ELSTERS INC5 citations59

TREND CEILINGS SYSTEMS CO

1 patent

US4043689AAug 23, 1977

Modular ceiling system

TREND CEILINGS SYSTEMS CO53 citations88

DERINGTON JIM

1 patent

US5141538AAug 25, 1992

Scrubber for grease exhaust duct

DERINGTON JIM35 citations82

DORIUS JOHN O

1 patent

US4180980AJan 1, 1980

Hydropressure power

DORIUS JOHN O28 citations75

TREND CEILING SYSTEMS CO

1 patent

US3949533AApr 13, 1976

Modular ceiling system

TREND CEILING SYSTEMS CO2 citations55