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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 7635296 | Air handling systems or devices intermingling fresh and stale air Various systems and apparati as well as devices and structures are provided which may be used or incorporated into air handling systems (e.g. (air) ventilation systems and apparati) for the manipulation or control of air in a enclosure such as a building, a room of ... | 12/22/2009 |
| 7572179 | Ventilation system A ventilation system includes a ventilation module having a heat exchanger module, an IAQ module for improving quality of air passing through the ventilation module, and a case for guiding the air that consecutively passes through the ventilation module and the IAQ ... | 08/11/2009 |
| 6904962 | Enthalpy exchanger An enthalpy exchanger is disclosed having a heat conducting wall along both sides of which two respective media can flow in mutual enthalpy-exchanging contact. The wall is provided on at least one side with a hydrophilic cover layer having little or no hygroscopic a... | 06/14/2005 |
| 6718973 | Evaporation chamber for a respiratory gas humidifier An evaporator chamber for mixing water vapor with respiratory gas has a supply opening for the respiratory gas, an inlet opening for the water vapor and an outlet opening for the humidified respiratory gas. With the evaporator chamber, an excellent mixing is achieve... | 04/13/2004 |
| 6637168 | Aircraft engine run-up hangar An aircraft engine run-up hangar comprises a building defining a test chamber capable of receiving an aircraft therein, an air inlet structure, and an exhaust structure. The air inlet structure is formed in a front end part of a roof structure correspondi... | 10/28/2003 |
| 6629886 | Demand ventilation module A demand ventilation module for use with HVAC/R systems for ventilating inside space of a structure through an air pressure differential between return air and outside air. The demand ventilation module includes an integrated damper and an electronic cont... | 10/07/2003 |
| 6514138 | Demand ventilation module A demand ventilation module is provided for use with HVAC systems in order to ventilate inside space of a structure through an air pressure differential between return air and outside air. The demand ventilation module includes an integrated damper. The d... | 02/04/2003 |
| 5947816 | Modular soffit vent A vent apparatus for cooperating with duct work associated with an exhaust fan to enable air to be exhausted from an interior room of a dwelling to the exterior environment. The vent apparatus includes a base member and a cover member releasably securable... | 09/07/1999 |
| 5762550 | Heat transfer system for electronic enclosures A housing for an electronic device having an air circulation device. The housing includes an enclosure with a plurality of panels. One of the panels includes an air inlet port and an air outlet port. The air inlet port and the air outlet port are spaced f... | 06/09/1998 |
| 5722483 | Air exchange apparatus and method Apparatus and method for removing stale air from a residence or other enclosed space, and replacing that air with fresh air from outside the enclosed space. Stale air outlets are placed at the ceiling in one or more locations throughout the enclosed space... | 03/03/1998 |
| 5435377 | Ventilator with air-to-air heat exchanger and pressure responsive damper A ventilator for clothes dryers and the like includes a counterflow heat exchanger through the wall of the building containing the apparatus, with an entry passage for ambient air entering the building and an exist passage for heated waste air leaving the... | 07/25/1995 |
| 5343328 | Structure of automobile rear-view mirror An automobile rear-view mirror including a ventilation box attached to the mirror at an inner side adjacent to the automobile for passing a current of air during the movement of the automobile, a flow guide member attached to the mirror thereof at the bot... | 08/30/1994 |
| 4870832 | Positive ventilation cooling augmentor The apparatus comprises a large, open ended air collector attachment above an external heat exchanger of a standard residential air conditioner, which ducts the exhausted heat exchanger air flow into the attic of a building through a substantially vertica... | 10/03/1989 |
| 4846261 | Vacuum heat exchange apparatus for ventilation of buildings, in particularly of animal sheds The present invention relates to a heat exchange machine for removing the excess of the heat during the summer period and the excess of humidity during the cold period. The machine comprises two tubes, one inside the other, an intermediate frame with two ... | 07/11/1989 |
| 4672888 | Inflatable greenhouse vent cover Expandable vent closure apparatus for a greenhouse comprising a clear inflatable mat, the opposed surfaces of which are sealed to one another to form a plurality of horizontal tubular members and a plurality of internal air passages connecting one to the ... | 06/16/1987 |
| 4625628 | Combined wall and ventilator module for a building A combined wall and ventilation module for a building, comprises a wall unit having a thermally insulated frame and a thermally insulated wall element mounted in the frame on the exterior side thereof, and a ventilator supported by the frame on the interi... | 12/02/1986 |
