| Patents for F21S 11 - Non-electric lighting devices or systems using daylight (1,674) |
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| 11/10/1994 | CA2159722A1 Structured films and use thereof for daylight illumination |
| 10/06/1994 | DE4310718A1 Device for automatically controlling the incidence of light into a room |
| 10/06/1994 | DE4310717A1 Light-guiding elements for daylight |
| 09/21/1994 | EP0563241B1 Light control film with reduced ghost images |
| 09/15/1994 | WO1994020787A1 Illumination device |
| 08/30/1994 | US5343330 Double refraction and total reflection solid nonimaging lens |
| 08/25/1994 | DE4336763A1 Device for avoiding sunrays and similar sources of light shining in directly through windows |
| 08/03/1994 | EP0609133A1 System for illuminating and scanning a document |
| 06/15/1994 | EP0601202A1 Light transmittable members, and method of adjusting natural lighting quantity and natural lighting range by use of the light transmittable members |
| 05/11/1994 | EP0493419A4 Illuminating apparatus |
| 04/27/1994 | EP0593915A1 Method and device for illuminating the entrance portions of tunnels, particularly of tunnels in highways and motorways |
| 03/31/1994 | WO1994006979A1 Improvements in skylights |
| 03/17/1994 | WO1994006046A1 Optical reflector arrays and apparatus using such arrays |
| 03/15/1994 | US5295051 For transmitting incident light |
| 03/08/1994 | US5293305 Light guidance system for the illumination of an interior area |
| 02/16/1994 | EP0582832A2 Reflector element and arrangement of sucle elements for indirect room lighting |
| 02/10/1994 | DE4326525A1 Watertight lighting unit for use underwater or range of suspended applications - has light source output transmitted through flexible tube to outlet point with tube sealed against water ingress |
| 02/08/1994 | US5285315 Apparatus and method for optimizing useful sunlight reflected into a room |
| 02/03/1994 | DE4225007A1 Skylight with several transparent segments, distributed round centre - has segments with different deflection angle, corresp. to sun angle in respective azimuth regions |
| 02/03/1994 | DE4225006A1 Skylight with two plates covering different surface regions - has plates as light guides deflecting light impinging from zenith in opposite main reflecting direction |
| 01/13/1994 | DE4222897A1 Reflector-prism system for natural or artificial light for intended spatial zones - has one-piece combination of reflection, transmission and diffraction units made from transparent glass or plastics material |
| 12/23/1993 | WO1993025792A1 Light transmittable members, and method of adjusting natural lighting quantity and natural lighting range by use of the light transmittable members |
| 12/02/1993 | DE4215968A1 Light guiding structure for illuminating at least part of room with daylight - utilises daylight entering room through window assisted by elements located on wall or ceiling to reflect the light |
| 11/03/1993 | CN2145311Y Light guide transmission light apparatus |
| 10/28/1993 | DE4211083A1 Automatic control regulating incidence of light in living or work-place room - uses stack of similar profiled deflectors having three reflective concave surfaces |
| 10/07/1993 | DE4211085A1 Double glazed window with internal reflectors - has slats arranged to deflect sun's rays to provide more effective illumination in room |
| 10/06/1993 | EP0563241A1 Light control film with reduced ghost images. |
| 09/16/1993 | DE4240058A1 Light concentrating or deflecting device |
| 09/15/1993 | EP0560107A1 Device for concentrating or deflecting light |
| 08/17/1993 | US5237169 Installation for controlling the lighting level of premises |
| 08/17/1993 | US5237168 Control of the level of illumination premises |
| 08/05/1993 | WO1993015427A1 Energy efficient skylight and blind |
| 05/27/1993 | WO1993010393A1 A light collection system for a skylight |
| 05/27/1993 | DE4239003A1 Sun protection with light directing properties - involves lamellas of specific cross-sectional configuration with undersides having profiling providing predetermined light direction for diffuse sky radiation in room |
| 04/20/1993 | US5204777 Energy efficient skylight and blind |
| 04/01/1993 | WO1993006413A1 Sunlight collecting and transmitting system |
| 03/31/1993 | EP0534853A1 Double refraction and total reflection solid non-imaging lens |
| 03/26/1993 | CA2078839A1 Double refraction and total reflection solid nonimaging lens |
| 03/16/1993 | US5193900 Illumination device |
| 01/27/1993 | EP0524388A2 Natural light device |
| 01/07/1993 | EP0521818A1 Room illumination control system |
| 01/05/1993 | US5175967 Natural light distributing apparatus |
| 12/09/1992 | EP0517650A1 Automatic room lighting control installation |
| 07/09/1992 | WO1992011549A1 Light control film with reduced ghost images |
| 07/08/1992 | EP0493419A1 Illuminating apparatus |
| 06/04/1992 | DE4038500A1 Internal room or display panel illumination appts. using daylight or artificial light - has light-conducting plate with light-collecting layer including layer of liquid crystal cells and transmitting part having transmissivity-controlled layer |
| 06/02/1992 | US5117811 Concentric lighting and air conditioning fixture |
| 05/26/1992 | CA1301729C Natural lighting apparatus |
| 04/02/1992 | WO1992005334A1 Natural light control system applicable on the outside of windows for energy saving and visual comfort |
| 12/18/1991 | EP0461137A1 Light deflecting system for lighting an indoor area. |
| 07/02/1991 | US5027550 Apparatus for cultivating aquatic living things in sea water |
| 06/11/1991 | US5022736 Solar ray device for illumination |
| 04/11/1991 | DE3931594A1 Heat insulating, transparent outer building wall component - has outer panel with numerous optical elements, with focal planes in heat insulating layer plane |
| 04/09/1991 | US5005931 Light radiator |
| 03/09/1991 | WO1991003682A1 Illuminating apparatus |
| 03/09/1991 | CA2066412A1 Illuminating apparatus |
| 01/08/1991 | US4982723 Solar energy |
| 12/25/1990 | US4979492 Solar ray collecting device |
| 12/18/1990 | US4978198 System for reflecting rays from an exterior source into a structure |
| 11/29/1990 | DE3916688A1 Reflector system for boom lighting |
| 10/03/1990 | CN1045867A Light radiator |
| 09/26/1990 | CN1045651A Solar ray collecting device |
| 09/13/1990 | CA2009482A1 Light radiator |
| 09/05/1990 | EP0029442B2 Plant for the automatic control of the incident solar flux |
| 09/03/1990 | CA2009481A1 Solar ray collecting device |
| 08/30/1990 | DE3906229A1 Daylight system assisted by indirect lighting |
| 08/29/1990 | WO1990010176A1 Light deflecting system for lighting an indoor area |
| 08/29/1990 | CA2045410A1 Light guidance system for the illumination of an interior area |
| 08/08/1990 | CN1044539A Solar ray device for illuminaton |
| 07/26/1990 | CA2003490A1 Solar ray device for illumination |
| 07/24/1990 | US4943141 Solar ray collecting device |
| 07/17/1990 | US4942292 Apparatus for following sun light |
| 06/13/1990 | CN2058227U Illumination equipment using reflection of sunlight |
| 05/29/1990 | US4928666 Container for accommodating a solar ray-collecting device |
| 05/16/1990 | CN1042039A Apparatus for cultivating aquatic living things in sea water |
| 05/01/1990 | US4922088 Automatic solar lighting apparatus having a solar following sensor |
| 05/01/1990 | CA1268452A1 Light radiator |
| 04/10/1990 | US4915093 Container for accommodating a solar ray-collecting device |
| 04/04/1990 | CN1007467B Light radiator |
| 03/29/1990 | DE3831318A1 Device for deflecting and channelling light radiation into windowless rooms in combination with a device for ventilating the rooms |
| 01/03/1990 | EP0348538A1 Method of natural light correction in rooms |
| 01/02/1990 | US4890806 Stand for a solar ray collecting device |
| 12/20/1989 | CN1038155A Solar ray collecting device |
| 11/28/1989 | US4883340 Solar lighting reflector apparatus having slatted mirrors and improved tracker |
| 11/15/1989 | CN1037203A Stand for solar ray collecting device |
| 10/17/1989 | US4874225 Solar greenhouse roof |
| 09/27/1989 | CN1035880A Container for accommodating solar ray-collecting device |
| 09/12/1989 | CA1259215A1 Integrated construction of a large number of optical conductor cables |
| 09/12/1989 | CA1259212A1 Light radiator |
| 09/05/1989 | CA1259059A1 Light projector |
| 09/05/1989 | CA1259057A1 Light radiator |
| 08/29/1989 | CA1258789A1 Light diverting device |
| 08/29/1989 | CA1258784A1 Light radiator |
| 07/19/1989 | CN1034051A Lens holding apparatus |
| 07/12/1989 | CN1033869A Light ray radiation stand |
| 07/11/1989 | US4846554 Lens-holding apparatus |
| 07/11/1989 | CA1257237A1 Arrangement for illuminating a room with daylight |
| 07/04/1989 | CA1256765A1 Foundation for entraining solar ray collecting devices |
| 06/27/1989 | US4843530 Light ray radiation stand |
| 06/14/1989 | CN2039431U Solar collector |