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Document Title |
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7621978 |
Filter timer
A timer that starts a time cycle when a filter is placed into a housing is disclosed. The timer cycle will not reinitiate a new time cycle when the previously used filter is removed from the...
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7565916 |
Pneumatic oscillating valve and pneumatic warning device
The pneumatic oscillating valve includes a housing defining an internal chamber, an inlet passageway, and an outlet passageway. An annular seat extends into the internal chamber. A diaphragm is...
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7364610 |
Air filter sensor
The present invention is directed towards a sensor including, inter alia, a body having first and second spaced-apart apertures, the first aperture having a shape producing an audible noise upon a...
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7207524 |
Device for warning of differential pressure during the opening of a pressurized closing device pertaining to an opening in the fuselage of an aeroplane
An apparatus warns of differential pressure during the opening of a pressure-loaded door that closes an opening in an aircraft fuselage. An air guide passage extends from the side with higher...
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6837922 |
Air filter sensor apparatus kit and method
An air filter sensor kit and method of using the same for permitting a person to modify the filtering portion of a heating or cooling system that uses an air filter to enable the determination of...
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6494160 |
Ringing kettle
An apparatus for boiling a liquid includes an audible alarm for notifying an individual when the liquid is boiling. The audible alarm makes use of steam generated by the boiling liquid to drive a...
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6386136 |
Tea kettle whistle
A tea kettle whistle including three main parts comprising a whistle top and whistle base, both preferably formed of plastic, and a whistle insert, preferably formed of stainless steel. The insert...
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6320513 |
Dirty filter indicator
A dirty filter indicator device adapted for use with a furnace, an air conditioning assembly and the like. As the filter collects dirt and dust, the overall airflow is restricted causing more air...
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6299006 |
Whistling beverage bottle construction
A whistling beverage bottle construction (10) including: a cap member (20) adapted to engage the threaded neck portion (31) of a bottle member (30) having a peripheral lip (33) which surrounds the...
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6273130 |
Gas regulator/valve device
A gas regulator/valve device particularly for use in emergency escape breathing apparatus, and comprising a T-shaped regulator piston which is movable in a stepped bore and has a nylon seat for...
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6273285 |
Structure of a whistling device for a cooker lid
A whistling device for a cooker includes a cooker lid, an annular block, a handle block, and a screw, characterized in that the cooker lid is circular and is having a center opening and a venting...
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6209579 |
Low supply pressure alarm for gas supply
The invention provides an in-line low supply pressure alarm device preferably housed together with a gas pressure regulator and a gas flow controller, thereby eliminating the need for the operator...
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6202875 |
Whistling device of a cooker lid
The present invention relates to a whistling device of a cooker lid and in particular, to a handle block mounted onto a cooker lid to adjust the size of an air hole on the lid and the sound...
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6155196 |
Multi-depth acoustic signal generating device
A simple mechanical device is provided which generates acoustic signals at ne or more specified depths. The device consists of a spring loaded piston placed in a wall of a housing, the spring...
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6142094 |
Depth sensitive mechanical acoustic signal generating device
A simple, mechanical device is provided which produces an acoustic signal a specified depth. The device consists of a shear plug in an exterior wall of the device housing which prevents the...
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6102240 |
Animated kettle
A kettle for boiling water which uses steam power to drive a rotatable outer housing for providing animation is disclosed.
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6004000 |
Temperature indicating device for a cooking vessel
A temperature indicating apparatus for a cooking vessel, the apparatus having a housing having at least one opening, a template, a light directing mechanism, and a temperature sensing mechanism....
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5791282 |
Fire detection port
A fire detection port installed in doors of occupied structures provides visible and audible signals on one side of a door in the event of fire on the other side of the door.
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5664478 |
Spring brake actuator with corrosion fuses
A spring break actuator (10) with a cast aluminum adapter (74) partially defining tandem spring brake and service brake portions has several corrosion fuses on the adapter. Each corrosion fuse is...
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5555905 |
Cassette type gas cylinder with remaining volume alarm unit and manufacturing method thereof
A cassette type gas cylinder, containing liquefied fuel gas, for giving an alarm when the volume of remaining fuel is reduced to a predetermined level or less in order to provide an advanced notice...
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5534090 |
Dosimeter capsule indicating service life of a rocket motor
A novel dosimeter capsule for indicating the condition of the solid propellant contained within a rocket motor to provide a measure of the remaining service life of the motor is described, which...
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5471912 |
Vessel having boiling indicating device
A boiling indicating device for a vessel includes an electric device disposed in a cap and having an electric board and a speaker. The electric board includes two contacts. A plate is engaged in...
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5452819 |
Air valve fuel fill cap
A fuel fill cap for use in cooperation with a fuel tank of a fuel utensil to direct pressurized air within the fuel tank, wherein the cap includes a valve member mounted within the cap to permit...
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5352255 |
Noise maker for air filter
A noise maker having a housing with a hole formed on at least one surface of the housing and a weighted member in resilient relationship over the hole. The weighted member is movable between a...
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5325809 |
Hair dryer with alarm notifying user of clogged filter
A warning system for a hair dryer to warn the user when the air inlet of the dryer has become clogged with hair or other particles, the dryer including an air filter in the inlet, an air-actuated...
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5226447 |
Valve malfunctin detection apparatus
A detection system is provided for sensing a malfunction of a valve having an outlet connected to an end of a first pipe through which pressurized fluid may be flowed in a downstream direction away...
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5184858 |
Sucker for plate glass
A sucker for suctioning and lifting a sheet of plate glass has a sucker body defining a suction hole at a suction surface of the body. The sucker body carries a manual vacuum pump formed with a...
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5170634 |
Acoustic vapor type indicator
An acoustic vapor type indicator is disclosed in which an audible signal such as a whistle is produced when a vapor is flowing through the indicator. The indicator includes an air chamber having an...
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5051360 |
Method for detecting microorganism activity
Gas-generating or absorbing activity of microorganisms is detected by providing a vessel in which the microorganisms are incubated, the vessel having a cap with a membrane indicator therein. The...
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5040477 |
Warning device for compressed air tanks
A warning device for use with tanks of compressed air which device will automatically generate an audible warning signal that can be heard under water or in other noxious gas or in oxygen-depleted...
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4952498 |
Method and apparatus for detecting microorganism activity
Gas-generating activity of microorganisms is detected by providing a vessel in which the microorganisms are incubated, the vessel having a cap with a membrane indicator therein. The membrane has a...
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4915879 |
Signal coupling for humidifier container
A hermetically sealed unitary liquid container of a thermoplastic material suitable for use in inhalation therapy is disclosed as having a signal coupling. A cupshaped female connector is adapted...
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4899740 |
Respirator system for use with a hood or face mask
A portable respirator system for supplying clean, breathable air to a hood or face mask is disclosed. The system can be carried on a waist belt and includes a housing containing air inlet and...
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4856564 |
Indicator assembly
An indicator assembly generates a sound when a liquid is flowing through a fill conduit for a storage tank. The assembly has a body with a first connection device for connection with the fill...
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4825802 |
Pheumatic alarm for respirator
An alarm system for a respirator fed from a supply of gas under pressure comprises a control valve having a pilot port and feed ports displaceable between an open position permitting fluid flow...
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4813368 |
Musical tea kettle
A musical tea kettle is provided for playing a selected tune or the like when water within the kettle is heated to a boiling condition. The tea kettle includes a kettle body having an upper opening...
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4778072 |
Pressure release tamper indicating feature for closure
This relates to a closure unit of the type including a closure member lockable in place having secured thereto a lever for effecting unlocking of the closure member. The closure unit has a tamper...
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4776296 |
Mounting for audible signal valve knob
A knob for a cooking vessel is a whistle which gives an audible signal that cooking temperature has been reached, and has a valve slide assembly including a separate leaf spring for shutting off...
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4747364 |
Flow rate threshold sensor
A flow rate sensor for use with an air filter channels air flow to energize an audible sound generator upon development of an air pressure differential within the sensor above a settable threshold,...
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4697643 |
Temperature-compensated pressure controller, operationally reliable extinguisher provided with such a pressure controller and process for filling such a pressure controller
Extinguisher provided with a temperature compensated pressure controller, comprising a propelling agent and an extinguishing agent under gaseous form, wherein it comprises a sealed chamber filled...
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4669415 |
Alarm device for respirators
The dropping of pressure for the gas supply in respirators, below a minimum pressure, is reported to the wearer by an acoustic alarm device. To make it possible for the wearer to check whether a...
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4648425 |
System and method of confirming operation of a steam relieving safety valve for a water-cooled nuclear reactor
A system and a method of confirming the operation of a steam relieving safety valve for a water-cooled nuclear reactor are provided. Acoustic vibration generated by steam relieved from the safety...
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4632052 |
Tornado early warning device
A tornado warning device which emits a warning sound when air escapes the said device at a pre-determined rate, with said rate being that of the loss of air pressure in the path of a tornado.
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4626344 |
Oil filter restriction sensor
An oil filter restriction sensor device for warning the operator of an internal combustion engine when the engine oil filter has become restricted and requires replacement comprising a sensor body...
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4580519 |
Low tire pressure warning device
A device contained entirely within a tire for indicating when the pressure within the tire has fallen below a certain level. The device includes a releasable member within an enclosure; when the...
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4557224 |
Mechanism for producing audible warning in response to coolant system failure
Disclosed herein is an engine including a flywheel starting gear and a cooling system, a member mounted on the engine for displacement between a first position engaged with the flywheel gear so as...
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4523466 |
Acoustic monitoring of tube vibration
The tubes of tube and shell heat exchangers destructively vibrate at certain velocities with which fluid flows over their outside surfaces. An acoustic generator is positioned to respond to the...
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4520748 |
Differential-vacuum alarm device
A differential-vacuum alarm device is disclosed. The device comprises a housing divided into three chambers by two walls. One wall isolates one chamber from the other two. The other wall,...
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4487155 |
Pneumatically powered oxygen pressure loss alarm system
A pneumatically powered oxygen pressure loss alarm system for use in conjunction with a gas anesthesia machine having an oxygen supply circuit and a gas mixing circuit. The oxygen pressure loss...
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4474175 |
Safety means for administration of anesthetic gas
A control device in an anesthetic administering system which senses the dangerous condition of nitrous oxide flowing to the patient's breathing mask in the absence of oxygen flow to the mask and...
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