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Match Document Document Title
7470360 Fluid flow restriction indicator  
An indicator suitable for signaling restricted flow of a fluid through a filter mounted in a filter assembly includes a housing having an inner cavity. A diaphragm disposed within the housing...
7185955 Visual indicator for pressurized hub  
A tactile and visual indicator is mounted on the hub cap of an axle of a vehicle. The indicator has a deformable face that protrudes away from the hub cap in response to the presence of pressurized...
7131550 Food storage containers  
A lid for a food storage container includes a lid body with a vacuum sense opening and a vent opening extending through the lid body, a releasable cover disposed over the vent opening, and a...
7107928 Selectively deformable container end closure  
The present invention describes a container end closure which utilizes a material that is adapted to provide a visible indicator when the internal pressure of the contents increase to a...
7009513 Inherently deployable warning to alarm of an opening into the top of a sub-grade structure  
A signal to warn of the open condition of a sub-grade vault whose lid may be open or missing. A spring-loaded placard is held down in the vault by a closed lid and raises above the opening by its...
6817311 Pressure indicator  
A pressure indicator and a corresponding method are disclosed, the pressure indicator comprising a display diaphragm, optionally transparent, and an indicator diaphragm coupled to and in fluid...
6636155 Gauge having adjustable activating means  
A mechanical gauge having a mechanism for setting multiple alarms within tolerance values. When such tolerance values defined by the mechanism are reached, the same mechanism activates an alarm.
6327902 Air filter restriction indicator gauge  
A low cost air filter restriction indicator gauge for use in conjunction with an internal combustion engine can be achieved by both simplifying individual part configuration and reducing overall...
6161417 Restriction indicator for air cleaners  
A restriction indicator for an air cleaner of an internal combustion engine. A bellows-type diaphragm is biased toward a retracted position by a first end of a compression spring. A calibration...
5822902 Device for displaying information on a fuel pump filler gun  
Display apparatus connected to a filler gun of a fuel dispensing station. A carrying body on a prominent part of the filler gun supports a detachable display surface carrier which in turn supports...
5566846 Button enhancement coating system  
A button enhancement coating system wherein mechanically actuated buttons and vacuum actuated buttons of closures may be provided with a coating system which changes color after the closure has...
5339764 Device for optically indicating the pressure of a medium  
A device for optically displaying the pressure of a medium comprises a housing, a piston within the housing which is movable along a longitudinal axis against a restoring force, and an optically...
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...
4989745 Container  
A container capable of being evacuated by a pump which is removably and sealably attached thereto comprises a cover having a removable valve mounted therein and a container body which is adapted to...
4963693 Purge enclosure for electrical equipment in hazardous location  
A protective or purge enclosure provides a positive atmosphere around an operating device such as a hand-held computer or calculator contained therein. The protective enclosure has sufficient...
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...
4877143 Tamper evident indicating means  
A tamper evident indicating means for a vacuum packed package or bottle comprising an indicia printed seal that is separated from a translucent closure member when the package or bottle is under...
4823727 Pressure indicator  
A pressure indicator for use in a pneumatic circuit. A rolling diaphragm (14) is mounted within a housing (9,10) and divides the housing into first and second regions (15,16), one sealed from the...
4821671 Captive volume device as a safe life monitor  
A captive volume device containing a small amount of solid propellant and a safe life indicator such as a colorimeter material or a differential pressure sensor. As the propellant deteriorates, it...
4776331 Bandage  
A bandage useful, for instance, in medical applications includes a rupturable sheet or strip having encapsulated fluid (liquid or gas). The sheet or strip is disposed between the body portion to be...
4729337 Air pressure indicator  
An air pressure indicator for mounting on an automobile tire valve. An inflatable balloon is used to indicate a desired condition. The balloon is surrounded by a transparent cap. Should the air...
4706830 Vacuum bottle with pressure indicator  
A vacuum drainage bottle includes a chamber for receiving fluids from a patient and a pressure indicator (9,21) for measuring the pressure in the chamber. Prior to use, the pressure indicator is...
4592747 Fluid flow sensor  
A flow sensor wherein a body (10) that includes a recessed surface (18) is covered by a flexible cover (12). The portion of flexible cover (12) adjacent recessed surface (18) moves between a...
4546793 Breath switch  
An improved switching device for indicating the beginning and ending of the breath of a test subject. A flow through housing is provided with an inlet and first and second outlets. A flexible...
4509551 Breath switch  
An improved switching device for indicating the beginning and ending of the breath of a test subject. A flow through housing is provided with an inlet and first and second outlets. A flexible...
4502491 Apparatus for determining the pressure between a support dressing and a body portion surrounded by said support dressing  
An apparatus for determining the pressure between a support dressing and a body portion surrounded by said support dressing comprises a device for sensing the pressure, a device for indicating the...
4421124 Pressure detection arrangement  
A pressure detection arrangement embedded between the skin of a portion of the body and a means used to surround and/or immobilize that particular part of the body, such as a cast. The pressure...
4404924 Body fluid suction device indicators  
A medical suction device is disclosed which includes a vacuum indicator flag. This flag is made up of a flexible tube capped with a plug. The rigidity of the walls of the tube is chosen such that...
4400123 Nut and thread protector  
Methods and apparatus are provided for protecting nuts and protruding threads of bolts from corrosion and damage. A cup-shaped cap is provided for sealingly enclosing the exposed threads. A...
4396386 Surgical drainage apparatus with suction control and indication  
A surgical drainage unit is provided for draining fluids from the body of a patient wherein the suction pressure, applied through a suction inlet of the unit to draw fluids into the unit, is...
4366708 Pressure checker for pneumatic tire  
A pressure checker for a pneumatic tire having a tire valve, including a cap member defining an open ended chamber therein and adapted for sealing threaded engagement with the tire valve, a...
4361107 Overinflation indicator for tracheal tubes  
A pressure indicating device for use with medical cannulae having balloon type sealing cuffs such as tracheal tubes. The device would be added to a normal pilot balloon to indicate having exceeded...
4295566 Air-evacuated package with vacuum integrity indicator means  
An evacuated article-containing package assembly with a vacuum integrity indicator comprises an air-impervious package having an access opening and having at least a flexible portion. An article is...
4287750 Device for checking the functioning of gas measuring apparatus  
A device for checking the functioning of a gas measuring apparatus which includes a tubular connection for the passage of a gas so that it can be directed through a tube mounted in the connection...
4266550 Pressure indicators for inflatable cuff-type catheters  
Inflatable cuff-type catheters, e.g., endotracheal and tracheotomy tubes, with cuff pressure indicators are provided. One indicator means comprises an expandable chamber with an open-ended spring...
4254731 Filter restriction indicator  
An indicator device for indicating when a prechosen pressure difference has been exceeded comprises a casing having two ports separated by a resilient diaphragm with an aperture therein, and a...
4249583 Device for evacuating air from a container  
A device for evacuating air from a container comprises a closing cover, to sealingly close an opening of a container, having an opening closable by a valve. The closing cover further has at its...
4215699 Position indicating device  
A device for indicating the position of a needle in a patient's body comprising, a body member having a flexible film secured to the body member and overlying a surface of the body member, and a...
4209041 Fluid pressure responsive accessory equipment  
A hydraulic pressure responsive accessory, such as a cavitation eliminator, for a hydraulic system and a replacement bladder assembly for the accessory. The accessory comprises a cartridge having...
4203385 Fluid pressure indicator  
Disclosed herein is a fluid pressure indicator for providing visual indication whether or not the magnitude of a fluid pressure condition is above a predetermined minimum value. The indicator...
4134407 External pressure-volume monitor for endotracheal cuff  
A monitoring system is comprised of an elastomer balloon housed in a rigid cage having a plurality of windows which is designed to continuously indicate the state of collapse or expansion of the...
4090466 Gas economizer  
Gas "Eggconomizer" is a visual display device which indicates the rate of fuel consumption in an internal combustion engine. The device is loaded on the dash of an automobile and is connected by a...
4063556 Vacuum curettage device  
A vacuum device for performing medical procedures such as a curettage, or the like. The device includes basically an evacuated vessel, a cannula or some other form of medical implement, and a valve...
4031847 Pressure ratio reversal indicator  
An improved arrangement for responding to reversal in the sense of the ratio between two pressures. In a housing there is located a generally cup-shaped indicator element of resilient, air...
3967577 Pneumatic control system  
A pneumatic control system is described including a plurality of annunciators in which movable shuttle elements indicate normal and abnormal conditions. In the event an abnormal condition is sensed...
3963891 Choked condition detector for an air-purifying device  
The invention relates to a device for detecting the choked condition of an air purifier in which the device comprises a casing having a first compartment in pressure relation with said purifier and...
3949610 Pressure indicator for railway cars  
In accordance with the present invention, a pressure indicator is mounted upon a railway car and is in communication with an opening into the pressure chamber of the car. The car may be, for...
3834346 FLUID CIRCUIT INDICATOR  
A device for providing an indication of the condition of a pressurized fluid circuit is disclosed. The device includes means defining a restricted zone and a supply of compressible material...
3811401 SEALED EVACUATED AND PRESSURIZED WATCH CASES  
A device for indicating the maintenance of a given vacuum or over-pressure in a sealed watch case comprises a hollow piston slidably mounted in a bore of a support member, one end of said bore...
3780693 VISIBLE FLUID PRESSURE INDICATOR  
An indicator including a casing having a coupling connected with a source of fluid and a cap for the coupling, the cap having a window. The indicator also includes a closed, expansible and...
Matches 1 - 50 out of 61 1 2 >