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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7169036 | Vehicle air conditioning system A vehicle air conditioning system which includes: an air conditioning unit for generating air-conditioned air, which is provided with a ventilation opening and a defroster opening; a ventilation duct connected to the air conditioning unit at the ventilation opening,... | 01/30/2007 |
| 7069736 | Air conditioning apparatus for hydraulic shovel An air conditioning apparatus for a hydraulic shovel with which a wide space in a cab can be secured and a placement operation of ducts for distributing wind to each important point in the cab is facilitated. For this purpose, in the air conditioning apparatus, an a... | 07/04/2006 |
| 7028791 | Mobile chassis and interchangeable vehicle body with a heating, ventilation and air conditioning system A mobile chassis for vehicle body interchangeability has a heating, ventilation, and air conditioning (HVAC) system packaged in a rolling platform. The system is connected to a powertrain cooling loop for waste heat circulation and to an electric air conditioning co... | 04/18/2006 |
| 7001264 | Air conditioning duct arrangement for vehicle An air conditioning duct arrangement for a vehicle includes an air conditioning unit disposed near a rear wheelwell of the vehicle, a floor panel including a lower section, a rise rising from the lower section, and an upper section extending backward from the rise, ... | 02/21/2006 |
| 6942564 | Passenger foot duct An HVAC assembly including an HVAC case disposed in a passenger compartment of a vehicle for delivering air at a passenger side foot well includes a duct coupled to an opening on the HVAC case. The duct is configured to deliver air from the HVAC case to the passenge... | 09/13/2005 |
| 6910961 | Indoor ventilation system with personalized ventilation device and its method of usage Personal air supply devices integrated with chairs are adapted for use in conjunction with building or vehicle ventilation systems. The personal air supply devices include ducts, a tube and a nozzle arranged to direct a portion of the air from the building or vehicl... | 06/28/2005 |
| 6902473 | Vehicle ventilation conduit system A vehicle ventilation conduit system for distributing heating or cooling air from an air vent to a rear vehicle compartment in a vehicle such as a police cruiser. The system includes an elongated main air flow conduit having an inlet end and a discharge end. A front... | 06/07/2005 |
| 6857955 | Ventilation extension kit The present invention 10 discloses a ventilation extension addition to a vehicle 12 and is attached to the existing ventilation duct 14 located mid-way under the front seats 16 of the vehicle. The location of the existing ventilation duct... | 02/22/2005 |
| 6793572 | Automobile interior heat vent The invention described herein is a passive air ventilation system for automobile interior heat. The passenger compartment interfaces with short air ducts which open when the interior reaches a certain threshold temperature. The other end of the ducts interfaces wit... | 09/21/2004 |
| 6773340 | Air-conditioning duct for vehicle A vehicle air-conditioning duct 1 has an oblong cross-sectional configuration. The air-conditioning duct 1 has a top wall 16, a bottom wall 18 and side walls 12, 14 enclosing an interior space and at least one constriction 22, 2... | 08/10/2004 |
| 6709328 | Ventilation system for a bus Heating, ventilation and air conditioning systems for busses achieve improved air distribution by the use of ducts to distribute the air throughout the passenger compartment. The ducts have a varying cross sectional area so that the impedance to air flow appears con... | 03/23/2004 |
| 6616522 | Ventilating, heating and air conditioning device for motor vehicle passenger compartment A ventilating, heating, and air conditioning device for a motor vehicle passenger compartment which includes air intake orifices and an associated air intake conduit which supplies at least one fan which forces an intake air stream through two heat exchan... | 09/09/2003 |
| 6554695 | Device for recycling air in a vehicle cabin The invention relates to a device for air-conditioning a cabin (3) of a motor vehicle, comprising an air-conditioning unit (5) installed in front of the dashboard (2), able to be supplied with external air and/or with recycled air taken from the cabin and... | 04/29/2003 |
| 6532682 | Ventilated foot rest for a motor vehicle A ventilated foot rest for a motor vehicle, in particular for a passenger vehicle, has a housing which contains at least one air-inlet opening and at least one air-outlet opening, and which has a foot-depositing board on its upper side. In order to better... | 03/18/2003 |
| 6530831 | Ventilating, heating and air-conditioning device for motor vehicle passenger compartment A ventilating, heating, and air conditioning device for a motor vehicle passenger compartment which includes air intake orifices and an associated air intake conduit which supplies at least one fan which forces an intake air stream through two heat exchan... | 03/11/2003 |
| 6497275 | Installation for heating and/or ventilating the passenger compartment of a vehicle employing selective extraction of air A fan causes a flow of cold air and warm air into the internal space of the passenger compartment of a vehicle. Air extraction channels connected to corresponding extraction vents are distributed at different locations in the passenger compartment. Contro... | 12/24/2002 |
| 6425818 | Interior air processing casing, especially for an automobile vehicle An enclosure for treating air (1) of a passenger compartment, especially of a motor vehicle, comprises an inlet (2) which supplies cool air to a mixing chamber (4) and a heating chamber (5) supplying the mixing chamber with heated air. It further comprise... | 07/30/2002 |
| 6415851 | Multi-zone temperature control system for HVAC air-handling assembly A multi-zone temperature control system for an HVAC air-handling assembly in a climate control system on a vehicle includes a cold air supply duct and a hot air supply duct operatively coupled to the cold air supply duct. The multi-zone temperature contro... | 07/09/2002 |
| 6332497 | Vehicular air conditioner An air conditioner for a vehicle having an engine that serves as a drive source for a compressor arranged in a rear part of the vehicle. The air conditioner includes the compressor, and further includes an air intake unit having an inside air intake, an o... | 12/25/2001 |
| 6332330 | Device for motor-vehicle heating and/or air conditioning with improved blower A heating and/or air conditioning device for a motor-vehicle passenger compartment has an air-inlet chamber and a blower for installation in a rear part of the vehicle, a treatment and distribution device for installation in a front part of the passenger ... | 12/25/2001 |
| 6129627 | Air outlet assembly having outer air directing doors An air outlet assembly is used to direct airflow of a climate control system of a motor vehicle. The air outlet assembly is used by the passengers sitting on a back seat in a passenger compartment. The air outlet assembly includes first and second doors w... | 10/10/2000 |
| 6126539 | Pilot valve mounting which functions as a hot air duct A pilot valve mounting system for lift arm control of a work machine having an operator's cab compartment includes a shroud for the pilot valve mounting. Utilizing the pilot valve mounting system as a hot air duct for bringing hot air to the machine opera... | 10/03/2000 |
| 6120370 | Vehicle air conditioning apparatus A vehicle air conditioning apparatus, provided in a vehicle where plural rows of seats are arrayed in the front-to-rear direction of the vehicle, comprises a cooler duct for guiding cool air from a cooler unit of an air conditioning unit to a portion abov... | 09/19/2000 |
| 6048263 | Heating, ventilation, and air conditioning unit for automotive vehicles An automobile heating, ventilation, and air conditioning (HVAC) unit comprises a heating, ventilation, and air conditioning case permitting the flow of interior air, an evaporator core disposed in the case for taking heat from the interior air to produce ... | 04/11/2000 |
| 5984774 | Air distribution unit and system A portable self-contained air distribution unit, and system incorporating same, are useful in assisting in the distribution of air within a vehicle. The unit comprises an elongate conduit having an inlet, an outlet and a top portion spaced from a bottom p... | 11/16/1999 |
| 5902181 | Diverter valve assembly for an automobile HVAC system An air flow diverter valve assembly that includes a housing provided with an air inlet opening and at least a pair of air outlet openings one of which is located in the upper wall of the housing and in which a diverter valve is rotatably supported in the ... | 05/11/1999 |
| 5839293 | Provision of conditioned air to a trunk of a vehicle An air distribution system for conditioning air and selectably forcing the air into a passenger compartment or a trunk compartment of a vehicle is provided. The air may be pre-cooled or pre-heated before being forced by a ventilator to particular vents. T... | 11/24/1998 |
| 5511842 | Security vehicle system Modularized vehicle security mounting system for converting a conventional four-door motor vehicle into a safely and well-equipped security vehicle having full conventional vehicular safety features while isolating passengers in the rear seating area and ... | 04/30/1996 |
| 5308279 | Air circulatory system for an enclosure The air circulatory system (32) utilizes a first and second air passageways (46) for communicating ambient air into the cab and an inlet (73) to introduce air that is circulating within the cab into the system through passageways (48,50,70,34) that create... | 05/03/1994 |
| 5307645 | Air conditioning system for a recreational vehicle An air conditioning system is disclosed employing a common plenum in which an evaporator airflow passage is formed through an inner side wall and out through a top wall and a condenser airflow passage is formed through a bottom wall and out through an out... | 05/03/1994 |
| 5211604 | Air conditioner for use in an automotive vehicle An air conditioner suited for use in an automotive vehicle has a plurality of emission modes in which appropriately regulated air is directed to a plurality of locations on the front side of a passenger compartment defined in the automotive vehicle. The a... | 05/18/1993 |
| 5167129 | Automotive air conditioning system An automotive air conditioning system is disclosed which is incorporated with a known automatic air conditioner installed in a motor vehicle. The air conditioning system has first, second and third operation modes which are automatically selected. When th... | 12/01/1992 |
| 5052283 | Automotive air distribution system An automotive air distribution system including at least one floor mat for an automobile, having one or more air distribution channels provided therein, which are connected by way of connecting hoses and an adaptor, to an outlet of conditioned air in an a... | 10/01/1991 |
| 4512239 | Vehicle air duct construction using center console box A vehicle which incorporates an air treatment unit mounted underneath the front instrument panel. A hollow center console box extends along the center of the floor of the vehicle passenger compartment in the longitudinal direction. An opening at the front... | 04/23/1985 |
| 4413550 | Ventilation system for the passenger compartment of a motor vehicle The system comprises means for supplying into the inner space of the passenger compartment two series of air flows, and namely a first series of substantially pulsating air flows, each of which pulsating air flows is cyclically interrupted for a pre-estab... | 11/08/1983 |
| 4343230 | Auxiliary device for climate-control units in motor vehicles An auxiliary device for climate-control units in motor vehicles. The device is coupled to an air duct leading from the fan of the unit to the floor space in front of the back seat. The device comprises a fan which draws air through the duct and blows it o... | 08/10/1982 |
