Patents
Patents for E04D 13 - Special arrangements or devices in connection with roof coverings; Roof drainage (21,622)
06/1976
06/01/1976US3960136 Solar energy collection system
05/1976
05/25/1976US3958754 Snow load removal
05/25/1976US3958374 Anchor assembly
05/25/1976US3958373 Twin membrane, self sealing, mechanically fastened insulated roof deck system
05/11/1976US3956133 Clean-out coupling for downspouts
05/04/1976US3953952 Cladding for building constructions and method for installing the same
04/1976
04/27/1976US3952464 Vehicle cupola structure and lift means
04/20/1976US3950951 Covered gutter
04/20/1976US3950900 Method and clip for installation of insulation
04/13/1976US3949657 Ventilated cap for the ridge of a roof
03/1976
03/23/1976US3945163 ABS thermoplastic curb assembly
03/23/1976US3945158 Method and clip for installation of insulation
02/1976
02/24/1976US3939616 Rain water run-off disperser
02/17/1976US3938429 Roof air vent
02/10/1976US3938014 Brushless d-c motor
02/10/1976US3937208 Solar collector system
02/10/1976US3936978 Window having a bellows-type opening movement and permitting complete reversal of the window-leaf
02/03/1976US3935878 Arrangement in heat input to a gully for draining water in order to avoid accumulation of snow and ice
01/1976
01/27/1976US3934383 Roof vent
01/20/1976US3933546 Method for draining water or moisture from substratum for waterproofing layer
01/20/1976US3932968 Wall paneling system
01/13/1976US3932143 Flame-sprayed roofing material