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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 6918262 | Air conditioning system An air conditioning system includes an air conditioner for blowing conditioned air toward a compartment of a vehicle, and a dashboard having a design surface exposed to the compartment. An inner air passage extending nearly parallel to the design surface is formed i... | 07/19/2005 |
| 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 |
| 6565620 | Internally sourced engine air intake filtration arrangement An arrangement for providing combustion air as well as cabin air for a motor vehicle includes an engine air intake duct which opens through the fire wall of the motor vehicle so that cabin air is used for combustion air. Fresh cabin air is continuously in... | 05/20/2003 |
| 6416116 | Interior structure of a mass transit vehicle A public transit vehicle has a vehicle body having a roof defining an interior ceiling surface, two side walls each extending longitudinally of the vehicle including an upper side wall portion connecting to the roof and a row of windows underneath the upp... | 07/09/2002 |
| 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 |
| 6149513 | Ceiling grille for air conditioner of recreational vehicle Disclosed is a ceiling grille for an air conditioner of a recreational vehicle. A center grille part is disposed on a lower surface of the ceiling grille for discharging cooled air in a vertical downward direction. The center grille part has a first cente... | 11/21/2000 |
| 5800259 | Grill assembly A grill assembly comprising an anchor member adapted to fit in a duct around the periphery of a duct opening. Tie members may be slidably attached to the anchor member so that it projects outwardly from the anchor member for receiving a frame. A damper an... | 09/01/1998 |
| 5660584 | Retrofit mobile home air conditioning distribution assembly The distribution assembly is arranged for mounting to a ceiling portion of an existing mobile home, that in turn includes an existing air conditioning outlet housing. The assembly employs a central plenum housing arranged to receive the air conditioning o... | 08/26/1997 |
| 5618323 | Integral cab and engine air intake system for a vehicle An air intake system for a cab and engine of a vehicle is shown and described. In a preferred embodiment, dry, ambient air is provided to the cab and engine through a duct that is mounted to an inner surface of a vehicle hood such that the hood forms a to... | 04/08/1997 |
| 5575453 | Vehicle sidewall air distribution duct with inflatable gasket The present invention relates to a shutter device for shutting off a distribution duct, said device being wherein it is composed of at least one longitudinally-extending means that is/are inflatable. The present invention also relates to use of longitudin... | 11/19/1996 |
| 5518448 | Air conditioning duct for railway vehicles A duct (1) for the distribution of air conditioning from an air treating apparatus (4) into the inner environment (A) of a railway vehicle (C), comprising an inner tube (2) having radial air outlet holes (5) and an outer tube (3) containing the inner tube... | 05/21/1996 |
| 5184976 | Air conditioning apparatus, particularly for rail vehicles The air conditioning apparatus, particularly for rail vehicles, comprises a ventilator (1) which blows conditioned air into a distribution conduit (2). This conduit (2) permits distribution of the air in a direction (x-x') pointing both inwardly and towar... | 02/09/1993 |
| 4580486 | Apparatus for supplying air to compartments An apparatus for supplying air to a compartment. The apparatus has at least one air-inlet opening which is closable by a flap mounted to swing freely. At least one blower is provided. In order to avoid creating drafts, an electromagnet is mounted on the f... | 04/08/1986 |
| 4352323 | Air diffuser A linear air diffuser is disclosed for the delivery of conditioned air to the interior of a passenger vehicle such as a bus, railcar or the like. The diffuser consists of a frame structure characterized by a pair of open ended longitudinally extending del... | 10/05/1982 |
| 4109563 | Low noise fluid distributor A fluid distributor for mixing primary and secondary fluids and distributing this mixture to the surrounding environment at a low noise level includes a housing defining first, second, and third chambers. The first chamber is coupled to a source of primar... | 08/29/1978 |
| 4050365 | Air distribution assembly An air distribution assembly primarily designed to distribute conditioned air, for cooling or the like within a defined space such as a truck body or railroad car. The assembly includes an air conduit of elongated or otherwise predetermined configuration ... | 09/27/1977 |
| 4003301 | Vacuum relief system for tarpaulin covered hopper trailers An elongated hollow tube extending between the forward and after ends of a hopper trailer serves as a ridge pole for a protective tarpaulin covering a commodity, such as rice or wheat, forming the trailer's cargo. Conduits connected to the ends of the tube ext... | 01/18/1977 |
