Matches 1 - 50 out of 197 1 2 3 4 >


Match Document Document Title
8707886 Protection cap assembly with leak detection capability for a pressurized valve  
A protective cap assembly for a pressurized valve adapted to detect a leak therethrough. In accordance with various embodiments, the cap assembly includes a body adapted for placement in fluid...
8245726 Citrus juice apparatus with undesired material release detector and related methods  
A citrus juice apparatus may include at least one citrus juice processing device. The at least one juice processing device may include at least one juice output having a flow of juice...
7793607 Air powered civil defense siren  
A civil defense air powered siren includes an air powered tone generator, a compressed air tank, an air compressor, an air line with a control valve connecting between the compressed air tank and...
7713339 Filter change indicator  
An air filter monitoring system for indicating when to clean or replace a flexible air filter includes an air filter having a peripheral frame and an interior filtering region, a fixed support...
7673914 Automatic alert device for suction cup  
An automatic alert device is provided for a suction cup, including a pump and a suction cup positionable on an object to be handled. The pump is operable to drive air out of the suction cup...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
6102240 Animated kettle  
A kettle for boiling water which uses steam power to drive a rotatable outer housing for providing animation is disclosed.
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....
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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.
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...
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...

Matches 1 - 50 out of 197 1 2 3 4 >