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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7934981 | Patient isolation module and use thereof This patient isolation module has a transparent cubicle mounted over an hospital bed. This cubicle has a rectangular room-air intake opening at one end thereof, and an air treatment unit mounted outside the other end. The air treatment unit has fan inlet openings co... | 05/03/2011 |
| 7559832 | Wood stove radon reduction system A combination of a wood stove and radon collection system. A radon collection tube location in the basement of a building is connected via conduits leading into the combustion chamber of a wood stove. Means secure the radon collection outlet to the stove between the... | 07/14/2009 |
| 7431642 | Exhaust fan having a unitary molded housing The subject invention relates to ventilation systems that include a unitary molded housing that defines a flow path and one or more mounting structures, wherein the flow path and the mounting structures are integrated into the unitary molded housing. An exterior str... | 10/07/2008 |
| 7320636 | Exhaust fan assembly having flexible coupling An exhaust assembly is provided for expelling contaminated air from a building. The assembly includes a plenum, a fan assembly attached to the plenum, and a windband mounted on top of the fan assembly. The fan assembly is constructed of cylindrical outer and inner w... | 01/22/2008 |
| 7238004 | Serial fan with a plurality of rotor vanes A serial fan includes a frame, a plurality of rotor vanes, at least one motor for driving the rotor vanes and a support connected to the frame through a plurality of connecting parts for receiving the at least one motor. The plurality of rotor vanes are arranged in ... | 07/03/2007 |
| 7231744 | Roof venting system for improved interior air quality and hot water and electricity production A roof venting system comprising a second roof layer disposed above a first roof layer with a spacer disposed therebetween to provide an air flow channel between the two roof layers. A gap is provided in the upper roof layer at or near the top end of the roof and a ... | 06/19/2007 |
| 7205152 | Closed loop system and method for air sampling of mail products A self-contained closed loop system and method for detecting contaminants in, on, and around objects. The system includes an air duct subsystem connecting at least one sensor to a sealed housing containing a rotating container. Air from the sealed housing is circula... | 04/17/2007 |
| 7194924 | System and method for biohazard detection using compression The present invention includes a system and method for detecting contaminated objects, for example mail pieces, through use of a pinching device that compresses the objects, thereby possibly releasing potential contaminant-containing particles into the air in a clos... | 03/27/2007 |
| 7179418 | Device and method for minimizing pathogens in heated water A device (100) for heat-treating water is provided, comprising a confined heating zone, a passage way (15) for transporting the water to said confined heating zone (23) so as to facilitate heating of the water, a controller (27) for preve... | 02/20/2007 |
| 7143558 | Drying system for structural waterproofing A drying system for structural waterproofing of an enclosure includes a drainage conduit for draining water from the enclosure. The drainage conduit has a periphery defining an interior and an air inlet and air outlet. An air circulator circulates air between the ai... | 12/05/2006 |
| 7059830 | Axial-flow serial fan This specification discloses a serial fan comprising a plurality of rotor vanes, one or more supports and a frame. Each of the rotor vanes comprises an inlet, an outlet, and one or more blades. Each support supports at least one of the rotor vanes so that the corres... | 06/13/2006 |
| 6979169 | Modular ventilating exhaust fan assembly and method A ventilation exhaust fan is provided, and in some embodiments includes a housing adapted to interchangeably receive a first module having a first support plate and a second module having a second support plate. Each of the first and second modules have at least one... | 12/27/2005 |
| 6962618 | Device for separating air from flotation foam Device and process for the removal of air from flotation foam formed during the flotation of a paper-fiber-containing suspension. The device includes a driven rotor that includes a shaft and at least one rotor blade positioned on the shaft, and a non-rotating wall a... | 11/08/2005 |
| 6960244 | System and method for removing contaminates from the air in a mail-sorting room A system for removing contaminates from the air in a mail sorting room includes a vacuum unit and a filter, both of which may be located within this room. The vacuum unit creates a downwardly directed laminar flow of air which expels airborne particulates (e.g., ant... | 11/01/2005 |
| 6942200 | Fan cylinder for cooling tower Disclosed herein is a fan cylinder for a cooling tower, which is configured to prevent the air discharged from the cooling tower from flowing back thereinto. The fan cylinder is fixed to the upper side of the cooling tower, and is configured to mount a cooling fan t... | 09/13/2005 |
| 6941706 | Vented eaves closure A method is provided for installing a ventilated eaves closure and tile support apparatus along the eaves of a roof. A vented eaves closure apparatus is disposed along the eaves to support the first course of roof tiles at a desired pitch. The apparatus provides sup... | 09/13/2005 |
| 6904723 | Waterproofing and humidity control system A waterproofing and humidity control system is provided for a building which includes drain members located in trenches provided in ground beneath and adjacent the basement of the building. A suction and fan and motor assembly is located within a housing positioned ... | 06/14/2005 |
| 6814661 | Air extraction fan A ventilator comprising a cylindrical housing the intake of which is connected to a coaxial cylindrical conduit of smaller diameter, an electric motor axially mounted in the housing, of small diameter relative to that of the housing, and on the shaft of which is fix... | 11/09/2004 |
| 6767280 | Corrugated flexible conduit connector In a method of exhausting an interior room to atmosphere through a corrugated conduit, the use of a connector which is attached to the corrugated conduit by tongues seated in the recesses of the conduit corrugations as a result of a telescoping together of the conne... | 07/27/2004 |
| 6527005 | Condensate bypass apparatus An apparatus for diverting condensate which forms inside an exhaust system. The exhaust system comprises an exhaust side in which condensate may be formed, a suction side, and an exhaust fan between the exhaust side and the suction side and coupled to eac... | 03/04/2003 |
| 6524182 | Kit providing means for mitigating radon from a dwelling A kit for reducing the level of radon in a dwelling. Containing a rain-proof exhaust vent hood housing an axial fan, and a suction pipe attached to a length of flex-duct. The kit can be easily installed by most homeowners. The installer simply cuts a hole... | 02/25/2003 |
| 6402613 | Portable environmental control system A portable environmental control system for evacuating particulate laden, toxic, and explosive gasses from an interior space includes a flexible partition for erection at the interior space, and a first section of flexible duct connected to the partition ... | 06/11/2002 |
| 6383072 | Vent apparatus 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... | 05/07/2002 |
| 6299526 | Temperature system for enclosure A system for stabilizing, moderating and/or controlling the temperature of an outdoor enclosure, such as a network interface device, using room-temperature air from the associated building. A fan draws the room temperature (or moderate-temperature) air th... | 10/09/2001 |
| 6196915 | Vent apparatus 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... | 03/06/2001 |
| 6167575 | Bathroom ventilator inlet A bathroom ventilation air inlet is mounted in conjunction with a toilet paper dispenser. Activation of a suction source connected by conduit to the inlet draws air from the bathroom, removing odour and moisture. The system also operates using a central v... | 01/02/2001 |
| 6162118 | Portable isolation device and method An isolation device has a movable frame and a barrier mounted on the frame. The barrier partially encloses a space to be occupied by a patient. The device also includes an air conducting unit having a primary duct attached to the barrier such that air can... | 12/19/2000 |
| 6159093 | Powered exhaust fan A powered exhaust fan for ventilating structures, especially well suited for roof ventilation, provides a motor driven fan assembly supported by a support assembly beneath an opening in a roof structure. The fan assembly further includes an air deflector ... | 12/12/2000 |
| 6062977 | Source capture air filtering device An air cleaning device for reducing the nosocomial and airborne transmission of diseases, such as tuberculosis, pertussis, influenza and measles. The device is positioned at the wall behind a hospital bed and allows for the removal of localized room air a... | 05/16/2000 |
| 5938526 | Urban air pollution drainage device Device for drainage of contaminated urban atmospheres, including a plurality of air propellers, with an air intake below or on the side thereof and with an air output oriented upward; towers having a height greater than 100 meters; supports on which the a... | 08/17/1999 |
| 5890322 | Method and apparatus for preventing the formation of ice dams and icicles on the roof of a house A method and apparatus for preventing and/or minimizing the formation of ice dams and icicles on a roof of a building having an unheated attic under said roof, which involves the steps of: (1) determining if there is an accumulation of snow on the roof, (... | 04/06/1999 |
| 5836815 | Method and system for radon mitigation A radon mitigation method and system for mitigating the migration of radon into a building structure which includes an in-ground collection basin (200) formed in the foundation of the building structure. A liner (300) is located within the basin (200) wit... | 11/17/1998 |
| 5816909 | Dual purpose attic fan A dual purpose attic ventilator (10) comprising a hatch (12) with a structure (14) for mounting the hatch (12) on a roof (16) of an attic (18) in a building (20) having an opening (22) therethrough. An attic fan (24) is also provided. A component (26) is ... | 10/06/1998 |
| 5795219 | Nail polishing workstation with ventilation and carousel tray A nail sculpting station (12) is provided having a plurality of workstations (14), each of the workstations (14) having a work surface 16, a customer arm rest (18) and an exhaust vent (20). A customer's nails are manicured and sculpted while disposed abov... | 08/18/1998 |
| 5791985 | 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... | 08/11/1998 |
| 5775987 | Smoke removing device and method A system of casino tobacco smoke elimination based around a series of slot-like air intakes in which slot length is at least twice as great as slot height. In a preferred embodiment air velocity measured at the slot mouth should be about 1300 feet per min... | 07/07/1998 |
| 5761827 | Method and apparatus for creating air flow in a wall, ceiling, or floor around a pipe extending from the wall, ceiling, or floor Air flow in a hollow wall, ceiling, or floor is created by forcing air into or drawing air out of the wall, ceiling, or floor through a hole around a pipe through which the pipe extends from the wall, ceiling, or floor. The apparatus of the invention incl... | 06/09/1998 |
| 5746653 | Air distributor or collector The apparatus can distribute and collect air. As a collector, a fan draws air from the proximal end of an elongated tube disposed in an air-environment. The tube is closed at the distal end but receives air all along its length through its air-permeable w... | 05/05/1998 |
| 5720661 | Inversion type ventilating fan The ventilating fan system comprises an air flow passage including a duct for guiding the air in a room to outside and a ventilating fan arranged in the air flow passage; whereby said ventilating fan is an inversion type ventilating fan, in which opposed ... | 02/24/1998 |
| 5690093 | Ventilator controller with variably adjustable fan and light A range hood having a sleek, modern appearance has a keypad and control circuit which enable adjustment of fan speed and light intensity. The range hood includes a keypad having a linear array of keys which may be individually or collectively used to ener... | 11/25/1997 |
