Inventor
HUBBARD S EUGENE
18 patents
Patents
18 patentsUS4290233ASep 22, 1981
Safety door entrance
KAWNEER CO64 citations96
US4243018AJan 6, 1981
Solar energy concentrator
KAWNEER CO46 citations92
US4207717AJun 17, 1980
System for improving heat insulating characteristics of existing curtain walls and the like
KAWNEER CO52 citations92
US4070806AJan 31, 1978
Sloped curtain wall structure
KAWNEER CO49 citations92
US4225163ASep 30, 1980
Panic device actuator
KAWNEER CO39 citations90
US4283882AAug 18, 1981
Safety flush bolt entrance door system
KAWNEER CO46 citations89
US4250673AFeb 17, 1981
Window replacement system
KAWNEER CO25 citations82
US4204369AMay 27, 1980
Entrance door system with automatic astragal and panic device
KAWNEER CO21 citations82
US4080758AMar 28, 1978
Window safety system
KAWNEER CO23 citations82
US4067317AJan 10, 1978
Solar energy collector panel
KAWNEER CO21 citations82
US4050201ASep 27, 1977
Wall construction having a continuous sill with gutter means
KAWNEER CO25 citations81
US4010671AMar 8, 1977
Wall construction
KAWNEER CO30 citations81
US3961452AJun 8, 1976
Wall construction
KAWNEER CO22 citations81
US4377926AMar 29, 1983
Framing member for curtain wall structures
KAWNEER CO26 citations79
US4339901AJul 20, 1982
System for improving heat insulating characteristics of a building wall structure
KAWNEER CO9 citations73
US4120127AOct 17, 1978
Double glazed wall structure
KAWNEER CO10 citations73
US4009537AMar 1, 1977
Automatic astragal
KAWNEER CO18 citations73
US4046167ASep 6, 1977
Mechanical accumulator
KAWNEER CO13 citations71