| Patents for E04D 13 - Special arrangements or devices in connection with roof coverings; Roof drainage (21,622) |
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| 05/15/1991 | CN1051407A Technology of durable waterproof insulating treatment for roof |
| 05/14/1991 | US5014745 Articulate downspout |
| 05/14/1991 | US5014486 One-piece self-covering termination bar |
| 05/14/1991 | CA2002832A1 Eave trough guard |
| 05/08/1991 | EP0305396B1 An arrangement in eave gutters |
| 05/02/1991 | WO1991005922A1 Flashing for building |
| 05/02/1991 | EP0424581A1 Roof |
| 05/02/1991 | DE4032058A1 Lead sheets for covering roofs - have parallel double folds to allow length to be adjusted |
| 05/02/1991 | DE3936269A1 Domed window for providing light and ventilation - is constructed from two domes made of transparent plastics |
| 04/30/1991 | US5011106 Roof safety anchor |
| 04/30/1991 | US5010709 Bendable channel construction element |
| 04/30/1991 | US5010700 Roof jack |
| 04/30/1991 | US5010696 Roof gutter attachment |
| 04/25/1991 | DE3934719A1 Aluminium tiles for collecting solar energy - have anodised external surfaces with matt black finish |
| 04/24/1991 | EP0424188A1 Method for connecting two angled plates or sheets, connecting piece as used in roofing realised according to this method |
| 04/23/1991 | US5009149 Roof vent |
| 04/18/1991 | DE4030710A1 Thermal insulation panels for sloping roof - incorporates tongue=and=groove joints with moisture drainage channels |
| 04/18/1991 | DE3934485A1 Solar energy collecting installation - comprises number of inclined collector channels with absorber backing units |
| 04/18/1991 | DE3934451A1 Multipurpose beam for multistorey building - has hollow interior equipped with heat exchanger |
| 04/18/1991 | DE3933972A1 Firstentlueftung Firstentlueftung |
| 04/18/1991 | DE3933108A1 Thermal insulation panel construction - consists of two parts with tongue=and=groove joints to enable overall width to be varied |
| 04/16/1991 | US5007216 Ventilation baffle and insulation stop |
| 04/16/1991 | CA1283138C Roof drain coupling |
| 04/14/1991 | CA2025443A1 Concealed gutter hanger |
| 04/12/1991 | WO1991005927A1 Roof ventilation |
| 04/12/1991 | CA2067360A1 Roofridge-ventilation system |
| 04/11/1991 | DE3933734A1 Solar energy powered heater for buildings - has air duct(s) between outer and inner building surface with outer and inner aperture(s) |
| 04/11/1991 | DE3932676A1 Inserting repair ring for light dome - has weather protective shank with elongated grooves in side facing ring outer wall |
| 04/10/1991 | EP0420837A1 Exterior, water-repellant facing or covering for buildings. |
| 04/09/1991 | US5005323 Apparatus for securing a roofing support spacer to underlying support structures |
| 04/04/1991 | DE3931435A1 Safety, ladder attaching hook to roof - is secured to roof lath, thicker than normal by its hook part |
| 04/03/1991 | EP0420094A1 Electric cartridge heater |
| 04/02/1991 | US5004191 Rain gutter support and mounting bracket |
| 04/02/1991 | US5003732 Roof verge system |
| 03/26/1991 | US5002816 For placement on the ridge beam a strip to permit passage of air and yet waterproof, made of polyisobutylene and metal |
| 03/26/1991 | CA1281880C Flashings for buildings |
| 03/20/1991 | EP0417303A1 Roof collecting solar energy |
| 03/20/1991 | EP0230419B1 A method of ventilation |
| 03/12/1991 | US4998947 Corner cap structure and method |
| 03/12/1991 | US4998390 Panel support structure |
| 03/12/1991 | US4998389 Variable pitch roof ridge beam assembly and components thereof |
| 03/12/1991 | US4998386 Anti-clog caps for rain gutters and the like |
| 03/12/1991 | CA1281159C Hold down device |
| 03/07/1991 | DE3928450A1 Roof with saw-tooth profile - has weather resistant strip fitted to lower end of each sloping face |
| 03/06/1991 | EP0415825A1 Pitched roof isolation, particularly for old constructions |
| 03/06/1991 | EP0415667A1 Natural lighting fixture |
| 03/06/1991 | EP0248826B1 Improvements relating to flashing for buildings |
| 03/05/1991 | US4996812 Method of membrane application in roof construction |
| 03/05/1991 | US4996803 Roofing systems and insulation attachment method |
| 03/05/1991 | US4996801 Termination bar and splice for rubberized roofing sheets |
| 02/26/1991 | US4995440 Rolling shutter for wall or roof openings, especially in connection with turnable roof window |
| 02/26/1991 | US4995308 Roof ventilating apparatus |
| 02/26/1991 | US4995208 Skylight construction |
| 02/26/1991 | CA1280636C Ridge tile with ventilating aperture |
| 02/21/1991 | DE4023736A1 Wire mesh covers for roof guttering - are attached to outer edge of guttering by hinges to enable them to be swung open |
| 02/19/1991 | CA1280325C Roof structure |
| 02/07/1991 | DE3926122A1 Insulating corrugated sloping roofs - by placing reinforcing channel sections in roof troughs without touching them and casting lightweight concrete mix to cover area |
| 02/05/1991 | US4989689 Yard guard |
| 01/30/1991 | EP0410822A1 Metallic roof covering and supports for such covering |
| 01/30/1991 | EP0410692A1 Cavity tray system |
| 01/30/1991 | CN2070330U Composite polygon ventilation skylight |
| 01/29/1991 | US4987717 Gutter facia design adapted for use in box beam applications |
| 01/29/1991 | US4987705 Skylight construction |
| 01/24/1991 | DE3922911A1 Flat roof covering - uses cold self-adhesives to allow cladding to be peeled off to take bitumen roof layer on laminate of thermal insulation and sealing layers |
| 01/23/1991 | EP0408655A1 A window, especially for installation in an inclined roof. |
| 01/22/1991 | US4986039 Operating-vent glass-glazed standing-seam skylight |
| 01/09/1991 | EP0407118A1 Inverted roof system |
| 01/08/1991 | US4982542 Device for incorporating layer member in face construction of building |
| 01/03/1991 | DE4011289A1 Glazed ceramic or glass solar collector - is in form of roof tile and comprises zigzag tube enclosed in cover |
| 01/02/1991 | EP0405959A1 Hatch for a roof or roofing |
| 01/01/1991 | US4980997 Roofing system with integral gutter |
| 12/31/1990 | WO1991000399A1 Roof jack |
| 12/31/1990 | CA2035037A1 Roof jack |
| 12/27/1990 | EP0403925A1 Roof or roof element for bungalows |
| 12/27/1990 | EP0403587A1 Securing fastener for waterproof roof |
| 12/27/1990 | EP0403510A1 Coating for sealing surfaces against moisture, in particular flat roofs |
| 12/27/1990 | CA1278167C Flashing for building construction |
| 12/20/1990 | DE3919679A1 Sealing strip for flat roof - in which extruded plastic strip is more easily welded to roof sealing sheet and gives more consistent joint |
| 12/20/1990 | DE3919507A1 Zeltdach Tent roof |
| 12/19/1990 | EP0402629A2 Underroofing for roofs covered with tiles |
| 12/19/1990 | CN2067732U Support bar for thermal insulating plate |
| 12/18/1990 | US4978241 Roof gutter maintenance and cleaning apparatus |
| 12/18/1990 | US4977721 Rigid covering for roofs and supports therefor |
| 12/18/1990 | US4977714 Roof ventilation baffle |
| 12/18/1990 | US4977711 Thermal insulation material as insulating and sealing layer for roof areas |
| 12/13/1990 | WO1990015959A1 Roof ridge ventilator |
| 12/13/1990 | DE3936382A1 Welded connection between piped and sealing sheets - in which simpler improved weld is achieved by reducing thickness of pipe flange to that of sheet seal |
| 12/13/1990 | CA2060504A1 Roof ridge ventilator |
| 12/06/1990 | DE3914878A1 Roof ridge ventilator between beam and tiles |
| 12/04/1990 | US4974382 Composite construction material |
| 11/29/1990 | WO1990014477A1 A building structure apparatus |
| 11/29/1990 | DE4008062A1 Gutter cleaning appts. using pressurised water - has nozzle and wheel running along gutter edge |
| 11/29/1990 | DE3916949A1 Flexible cover strip for roof ridges - is flat sheet whose underside has edge bands of phenolic resin-impregnated artificial fibre fabric moulded into top-hat shaped spacer bosses |
| 11/28/1990 | EP0399346A1 Method for manufacturing insulating boards for inclined roofs and cutting device for the realisation of the method |
| 11/28/1990 | EP0398870A1 Head piece for gutters with its edge cut into tongues on two planes for easy mounting |
| 11/28/1990 | CN2066463U Enamel rain pipe |
| 11/27/1990 | US4972863 Rain gutter cleaner |
| 11/27/1990 | US4972638 Skylight flashing |
| 11/27/1990 | US4972635 Cant vent and rim guard air and moisture stops |
| 11/22/1990 | DE4014200A1 Frameless solar generator - with solar cell laminate resting on profiles with silicone adhesive pads |