Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8096862 | Isolation damper with proofing An isolation damper for preventing the migration of air from a ventilated space includes a high differential pressure sealing chamber in the damper assembly that prevents the flow of air from the “clean” side of the damper assembly to the “dirty” side thereo... | 01/17/2012 |
| 7510471 | Flow spreading mechanism The present invention relates to a flow spreading mechanism, in particular a flow spreading mechanism used with refrigerators or air conditioners to enhance spreading of cool or warm air. To achieve the above-mentioned object, this invention comprises at least one i... | 03/31/2009 |
| 7369407 | Flat display device and cooling apparatus for the same A flat display device includes a flat display module, a front cover supporting a front portion of the flat display module, a back cover supporting a rear portion of the flat display module, a peripheral portion formed on the back cover and having an inclined surface... | 05/06/2008 |
| 7357394 | Modular shooting range Disclosed is a modular, expandable, and portable shooting range system. The system can include one or more shooting modules that mount together to provide different numbers of shooting lanes with various lengths. The shooting modules are pre-engineered with removabl... | 04/15/2008 |
| 7331853 | Ventilating system Ventilating system including a total heat exchanger at a region where an air supply duct, a passage for supplying outdoor air to a room, and an air discharge duct, a passage for discharging room air to an outside of the room, cross for making room air and outdoor ai... | 02/19/2008 |
| 7302776 | Baffled attic vent Baffled attic vents and methods of their use and manufacture are provided. The baffled air vent of this invention includes an elongated member having a roof facing side and an attic space facing side, a pair of longitudinal side portions, first and second transverse... | 12/04/2007 |
| 7250000 | Building with improved vent arrangement A system and method of vent placement within a building is provided for improved passive ventilation. Vents are provided within the dividing structures or material layers that form the building's exterior and interior walls, ceiling, roof, floor, and/or intermediate... | 07/31/2007 |
| 7226497 | Fanless building ventilator A ventilation system for a building is provided. The ventilation system includes a pair of passages between the interior and exterior of the building and at least one corona discharge apparatus for drawing fluid through the passages. The ventilation system may also ... | 06/05/2007 |
| 7226496 | Spot ventilators and method for spot ventilating bathrooms, kitchens and closets A spot ventilator and method for spot ventilating a localized environment of a building is provided. The spot ventilator includes a passage and at least one corona discharge apparatus. The passage extending between an inlet positioned in the localized environment an... | 06/05/2007 |
| 7150314 | Dual exhaust energy recovery system A heat recovery arrangement. The arrangement has a housing including a bathroom exhaust inlet, an exhaust outlet, a bathroom exhaust airflow path through the housing from the bathroom exhaust inlet to the exhaust outlet, a return air inlet, and a return air path thr... | 12/19/2006 |
| 7066191 | Installation for making available highly pure fine chemicals A system and method for providing process chemicals. The system includes a housing comprising a functional component positioned in a first compartment, a control module positioned in a second compartment and at least one connecting line positioned in a third compart... | 06/27/2006 |
| 7040837 | Self-propelled road milling machine with cooling system A self-propelled road milling machine is equipped with a cooling system comprising a fan for drawing in air, a cooler, and a suction channel. The suction channel has a vent opening facing the cooler and an intake opening. In relation to the longitudinal axis of the ... | 05/09/2006 |
| 7039653 | Computer-based method and system for guiding a purchaser to select an appliance and a venting arrangement suitable for the appliance Computer-based method and system for providing guidance to a purchaser for selecting an appliance that generally requires venting are provided. The guidance includes recommendations regarding a venting arrangement for the appliance. The method allows providing a dat... | 05/02/2006 |
| 6982102 | Coating unit and coating method The present invention is a coating unit for applying a coating solution on a substrate, comprising: a container enclosing the substrate; a casing for accommodating the container therein; a supply device for supplying a predetermined gas into the casing; a first exha... | 01/03/2006 |
| 6945866 | Method and apparatus for delivering conditioned air using pulse modulation A method and apparatus for delivering conditioned air using short duty cycles during which a damper is fully open for a time and fully closed for the remaining time. Conditioned air is continuously supplied to a plenum at low pressure and is applied to the space whe... | 09/20/2005 |
| 6938631 | Ventilator for covers for boats and other vehicles A ventilator for a covering for a boat or other object includes a dome for covering air venting openings. The air vents are provided in a pair of oppositely disposed ventilator plates. The boat or other covering is firmly clamped between the ventilator plates by mea... | 09/06/2005 |
| 6675542 | Housing for an internal combustion engine A housing includes side walls having a plurality of offset sections with air exit gaps defined between adjacent sections and a roof with an air exit gap defined therein. The housing also includes an air intake section and a door section. The air flow is b... | 01/13/2004 |
| 6669553 | Noise suppression and sound proof chamber The present invention relates primarily to the provision of a Sound Proof Chamber (10), and optionally also relates to an Electronic Surveillance Bug Proof Chamber. Both embodiments comprise a sealed cavity located within all walls, roof, and optionally t... | 12/30/2003 |
| 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 |
| 6612365 | Heating-element accommodating-box cooling apparatus and method of controlling the same A heating-element accommodating-box cooling apparatus includes: an indoor air passage 5 for fetching air in a heating-element accommodating box and returning it to the heating-element accommodating box; an outdoor air passage 9 for fetching outdoor air an... | 09/02/2003 |
| 6543250 | Installation template for a mobile refrigerator A refrigerator cabinet having a selected height and width used in a recreational vehicle, the improvement comprises an installation template permanently installed as a ventilation frame. The installation template produces manufacturer specified ventilatio... | 04/08/2003 |
| 6461234 | Mounting wall A recreational vehicle wall structure is provided with an access opening permitting servicing of an appliance, such as a refrigerator, from the exterior of the vehicle. The opening can be sized to allow the appliance to project into the opening to increas... | 10/08/2002 |
| 6444289 | Perforated faced insulation assembly An insulation assembly for a forced gas unit comprises a facing layer and a porous insulation layer joined together by an adhesive. The facing layer includes pressure-balancing and non-pressure-balancing regions. Perforations are formed in the facing laye... | 09/03/2002 |
| 6394032 | Device for simulating static load of a connection to a rack for animal cages The present invention relates to a device for simulating static load of a connection to a ventilated rack of animal cages when at least one of the racks are not connected to a central ventilation system. Accordingly, the device assures that the ventilatio... | 05/28/2002 |
| 6341468 | Building with attic module A prefabricated building has been invented having a plurality of exterior walls joined together, a roof structure overlaying an interior space defined by the plurality of walls, an attic under the roof structure, the attic having an attic floor, at least ... | 01/29/2002 |
| 6105606 | Chemical cabinet employing air flow baffles This invention concerns a cabinet for chemical canister storage and dispensing. More particularly, this invention concerns a cabinet structure comprising: walls connected to a base and a top to provide an enclosed structure; wherein at least one wall has ... | 08/22/2000 |
| 6066042 | Passive ventilation system An enclosure (10) is provided for storing a battery (12) or other device that emits hydrogen or other potentially explosive, lighter-than-air gas during operation. The enclosure includes a floor (14), ceiling (16) and side walls (18) defining a substantia... | 05/23/2000 |
| 5934993 | Aeration structure in buildings Aeration system for a multi-storied building 10 having living space 11 on each floor, wherein an air supply hole for letting in outdoor air is located in a lower section of the living space, and an air exhaust hole is located in an upper section of the li... | 08/10/1999 |
| 5730653 | Compact damper with over center latch An adjustable damper for controlling air flow between portions of a building includes a plurality of vanes positioned in a frame opening, which vanes are selectively, simultaneously rotatable between open and closed positions. A reversible motor and an ac... | 03/24/1998 |
| 5660587 | Passive ventilation system and method A passive ventilation system and method for venting hydrogen from a chamber housing a battery. The system comprises a battery chamber with an exhaust opening and an inlet opening near the upper end of the chamber. A heat conductive, gas impervious conduit... | 08/26/1997 |
| 5282456 | High efficiency fuel fired induced draft condensing furnace with horizontal plastic vent termination assembly A high efficiency fuel-fired induced draft condensing furnace is provided with a horizontal vent termination assembly installed in an exterior wall of a building served by the furnace. The vent termination assembly, constructed entirely from PVC plastic p... | 02/01/1994 |
| 5123874 | Knock-down sound attenuating system A knock-down sound attenuating system (10) is provided as a portable enclosure having significant sound attenuating properties, while still being easily assembled and disassembled. The knock-down sound attenuating system (10) includes a plurality of sound... | 06/23/1992 |
| 5062354 | Side wall vent/air termination unit for boilers A side wall termination unit for a gas boiler which terminates side by side vent and air supply pipes extending through a building side wall. The pipes extend through inside and outside plates on the internal and external wall surfaces. A one piece termin... | 11/05/1991 |
| 5014609 | Inductive air passage An inductive air passage with a high fire resistance capability, that is easily paint coatable, and that can be economically produced, is made of die stamped sheet metal components. A slot-shaped inlet opening (1) is formed in a first sheet metal componen... | 05/14/1991 |
| 4940042 | System and apparatus for venting water heater A direct venting system for an indoor domestic type water heater vents the combustion chamber of the water heater directly with the outdoor atmosphere by means of natural convection both to supply incoming combustion air and to expel flue gases. A conduit... | 07/10/1990 |
| 4936198 | System for decontaminating a polluted-air region A system for reducing air pollution comprising a tower including an air intake at least 200 m above the ground, air outlets at more than 30 m above the ground, and a duct extending between the air take and the air outlets and having a flow cross-section o... | 06/26/1990 |
| 4892030 | Airflow distribution system for discharging air from a thin plenum, and oven employing same An airflow distribution system for discharging air from a thin plenum chamber into a relatively larger space such as a discharge duct or the work chamber of an industrial oven. A distribution plate separating the chambers has discharge openings arranged i... | 01/09/1990 |
| 4744409 | Valve assembly for air treatment apparatus A valve assembly for use with air treatment apparatus is disclosed. The assembly includes shutter valves disposed in the air flow channels and actuatable by the flow of air therethrough.... | 05/17/1988 |
| 4715268 | Ventilator device A ventilator device comprises a casing (2) having one or more openings (3) for passage of ventilation air therethrough, a shutter (7) within the casing and normally held retracted from said one or more openings, first means (15) for urging the shutter to ... | 12/29/1987 |
| 4625627 | Ventilated cabinet for containing gas supply vessels A gas cabinet for enclosing one or more compressed gas cylinders is ventilated for rapid removal of any gas leaked from the cylinders. The cabinet has a perforated plate as its floor which also serves as a fresh air inlet. Since the entire floor is used a... | 12/02/1986 |
