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| Number | Title | Issue Date |
| 7384168 | Light fixture having air ducts A light fixture has an outer housing having a top outer wall, outer side walls extending substantially perpendicularly from the outer edges of the top outer wall, an inner housing having a top inner wall, and inner side walls extending substantially perpendicularly ... | 06/10/2008 |
| 6858055 | Bottom loading clean room air filter support system An air filter support system for a clean room has a number of filter support elements (10) supported by holding rods (12) secured to a supporting surface. A connector/hanger bracket (14) having a pair of perpendicular arms (20, 22) with a... | 02/22/2005 |
| 6497739 | Modular clean room filter system An air filter system for a clean room has a number of filter modules (16) secured together at intersecting corners by holding rods (12) secured to a supporting surface, and at least one support bracket (14, 14', 14") on each holding rod. The filter module... | 12/24/2002 |
| 6471738 | Ceiling-mounted air filtration device The present invention provides an air filtration device attachable to a motor. The device comprises a housing comprising an upper part and a lower part, wherein the upper and lower parts are parallel and spaced apart from each other and define a cavity th... | 10/29/2002 |
| 6390913 | Vehicle with ventilation channel and lighting facility A vehicle with a compartment, a ventilation channel on the ceiling or in a side wall of the compartment running in the longitudinal or transverse direction of the vehicle and a lighting facility with lighting elements is such that the ventilation channel ... | 05/21/2002 |
| 6193603 | Wind outlet plate of an air conditioner for cleaning air A wind outlet plate of an air conditioner for cleaning air comprises a wind outlet panel, an upper cover, a wind guiding plate, a filter, a negative ion generator, an ultraviolet lamp. The wind outlet panel has a wind outlet. The upper cover is installed ... | 02/27/2001 |
| 5909534 | Ventilator with far infrared generators A ventilation device having a housing with a grille at the bottom and two ventilation members at two sides of the grille is provided. A fan assembly is mounted on the housing and controlled to draw filthy air out of a room through air vents in the ventila... | 06/01/1999 |
| 5865674 | Flush lighting system for cleanroom A flush lighting system for cleanroom environments encompassing a modular ceiling design includes a light well housing, filter packs above and adjacent to the light well housing, and a locking apparatus to seal the various light well housings and filter p... | 02/02/1999 |
| 5041825 | Remote control system for combined ceiling fan and light fixture A control unit for a combined ceiling fan and light fixture (ceiling unit) is coupled to a temperature sensor monitoring the temperature of the room containing the ceiling unit, has manual entry keys for controlling fan energization, speed and direction a... | 08/20/1991 |
| 4461205 | Combination lighting and filtering unit for a clean room A combination lighting and filtering unit adapted to be mounted in the ventilated ceiling structure of a clean room wherein clean air is directed downwardly into the interior of the room. The unit includes a flow-through light housing having a plurality o... | 07/24/1984 |
| 4344112 | Environmental lamp An ornamental lamp adapted to cause circulation of air in a room between the floor and the ceiling of the room. The ornamental lamp includes a hollow light permeable structure defining a vertical air flow passage and has as open upper end and an open lowe... | 08/10/1982 |
| 4222316 | Room conditioning lamp A room conditioning lamp is disclosed, in which a nozzle arrangement is provided along the walls of the open lamp chamber for blowing a supply of air into the room to be conditioned. Exhaust air openings are also situated in a region of each wall along wh... | 09/16/1980 |
| 4060025 | Air distribution ceiling An air distribution ceiling for clean rooms is disclosed which includes a first or primary plenum chamber at the top of a room with a clean air supply communicating with it, the top of this chamber being bounded by the room ceiling and the bottom being bo... | 11/29/1977 |
| 3958100 | Means for preventing heat build-up in a wall-mounted room ventilator A wall mounted room ventilator apparatus includes a blower driven by a two speed electric motor, electric lighting means and electric heating means. A selector switch is provided for selecting operation of at least (1) only the lighting means, (2) only th... | 05/18/1976 |
| 3949809 | Air processing apparatus The present invention pertains to an air processing system for an enclosed area having a plenum. The system includes an air processing means in communication with the plenum and responsive to a temperature sensing means, air-passing light fixtures for lig... | 04/13/1976 |
