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Document |
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6541721 |
Electrical switch for gas cocks
A gas-burner electrical switch, which may be associated with a gas-supply cock. The gas-supply cock has a maneuvering stem ( 14 ) that is free to slide and turn about its own axis within the cock...
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6521850 |
Apparatus for delivering hot air
An apparatus ( 1 ) for delivering hot air comprises a protection structure ( 2 ) to be fastened to a wall ( 4 ) and a delivery unit ( 9 ) set to generate a continuous air flow. The delivery unit (...
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6459056 |
Cleaning apparatus for central vacuum system
An inlet and switching apparatus for a central vacuum system includes a base body section with a back wall having an inlet aperture formed therein adapted for connection to a central vacuum source....
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6143996 |
Outlet for connecting a vacuum-cleaning hose to a centralized vacuum-cleaning installation
The present invention is directed to an outlet for connecting a vacuum-cleaning hose to a centralized vacuum-cleaning installation. The outlet comprises a tubular body mounted in a surface of a...
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5349146 |
Combination electrical and suction hose wall outlet
A combination electrical and suction hose outlet to be mounted to a building wall as part of a central vacuum cleaning system. In such a system, a remote vacuum cleaner suction hose is plugged into...
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4336427 |
Outlet assembly for a vacuum cleaning system
An outlet assembly for a vacuum cleaning system includes a face plate for mounting on the exterior surface of a building wall, an annular inlet bushing or socket open from the face plate and...
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4314243 |
Well pump theft alarm
A submersible pump alarm includes an adapter in a well casing for receiving the well water pipe. An extension is threaded into the adapter and a switch inserted therein. A rod cooperates with a...
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4209678 |
Pressure switch actuator
A switch, particularly for use in controlling the comminuter motor of a waste disposal unit, which provides pressure pulses, for use in the electrical control circuit of the motor, by compressing...
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4194974 |
Pressure monitoring device
A pressure monitoring device is disclosed which is adapted to couple a source of fluid with a tripping device. The tripping device includes a tripping switch movable between a first position in...
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3897081 |
Vehicle safety system
A vehicle safety system comprising an inflatable safety restraint assembly for positioning about a person, a source of pressurized gas, a sensing element adapted to actuating the source of...
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3728512 |
HIGH FREQUENCY HEATING APPARATUS
In a high frequency heating apparatus including a cubiform cavity or oven of conductive material having an opening, a supply source for supplying high frequency energy into the cavity and a door...
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3706184 |
WALL-RECESSED SUCTION CLEANER
A suction cleaner mountable substantially entirely between the faces of a room wall and equipped to have a dirty air suction hose coupled thereto and to discharge clean air back into the room from...
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3655927 |
INLET VALVE AND SWITCH FOR CENTRAL VACUUM CLEANER
An inlet valve and switch device for a central vacuum cleaner system having a suction tube with an exposed inlet end and a cover plate for the tube inlet end that can be opened to expose the tube...
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3652868 |
SAFETY EXHAUST SYSTEM FOR THE ENGINE COMPARTMENT OF A BOAT
Two basic embodiments of the safety exhaust system are provided. In one embodiment, switch means are provided in the fuel inlet to the gas tank of the engine. These switch means are actuated by...
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3612794 |
FLUID CONTROLLED SWITCHING NETWORK
A coordinate array of fluid-pressure-operated, metallic-contact switching devices are interconnected to provide destructive mark switching operation. Each crosspoint of the array includes two such...
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3483503 |
VACUUM CLEANER WALL ADAPTER
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3465111 |
APPARATUS FOR ESTABLISHING A COMBINED FLUID CONDUIT AND ELECTRIC CIRCUIT SYSTEM
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3434092 |
AIRFLOW-ELECTRIC COUPLING
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3387319 |
Airflow-electric coupling for vacuum cleaner
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3349559 |
Door-operating apparatus
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3291927 |
Inlet valve assembly for central cleaning system
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3173164 |
Builtin vacuum cleaner
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3159727 |
Vacuum machine wall plug switch
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3148713 |
Safety means for liquid dispensing nozzles
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3083396 |
Vacuum cleaner controls
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3076068 |
Wall fitting and control for vacuum cleaning systems
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3042765 |
Combined wall receptacle and switch
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3036170 |
Wall inlet for vacuum system
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2979755 |
Central vacuum system for homes
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2953806 |
Storage of vacuum hose
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2933583 |
High frequency coil transformer switch
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2877313 |
Vacuum cleaning apparatus
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2810028 |
Baseboard vacuum cleaner system
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