|
Match
|
Document |
Document Title |
|
|
8034170 |
Air filter monitoring system
A real-time monitoring system that monitors various aspects of the operation of a refrigerant-cycle system is described. In one embodiment, the system includes a processor that measures power...
|
|
|
7730847 |
Personal, wearable, disposable breathing-gas flow indicator
A personal gas flow indicator is disclosed in which a flow indicator is interposed between the proximal end of a gas delivery cannula that conducts breathing-gas from a breathing-gas source to an...
|
|
|
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...
|
|
|
7497185 |
Audible fill level alarms for liquid storage vessels
An audible fill level alarm is provided. The alarm includes a whistle body having a lower whistle hole, a whistle-tube depending from said whistle body, and a whistle disk having an upper whistle...
|
|
|
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...
|
|
|
7159533 |
System and method for monitoring the delivery of gas to a person's airway
A gas delivery system and method are disclosed in which a flow indicator is interposed between the distal end of a conduit connected to a gas source and a device for introducing the gas in the...
|
|
|
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...
|
|
|
6796264 |
Fluid flow monitor and indicator
A metal body has a threaded inlet port and a threaded outlet port which extend to corresponding inlet and outlet chambers within the body, and a semi-spherical liner seats within the body and has...
|
|
|
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...
|
|
|
5832968 |
Fuel overfill warning device
A fuel overfill warning device including a vent tube. A whistle alarm is positioned within the vent tube. A pair of flexible hoses engage opposing end portions of the vent tube. The whistle alarm...
|
|
|
5798697 |
Exhaust/supply direction indicator
An apparatus for detecting the flow direction of a fluid from an apparatus or between two apparatuses such as a biohoods, fume cabinets, or filters. The device includes a conduit horizontal plane...
|
|
|
5410298 |
Fluid flow direction detector
An apparatus for detecting the flow direction of a fluid between two enclosed spaces, such as hospital rooms, includes a conduit extending along a horizontal plane and adapted to receive the fluid....
|
|
|
5377395 |
Externally removable casket hardware
An externally mounted removable hardware assembly for a casket having a threaded bolt extending through a hole in a casket side wall. Inside the casket, the bolt threadably engages a nut which is...
|
|
|
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...
|
|
|
5302055 |
Signalling device
A signalling device for scuba divers uses their compressed air supply to drive a piston (42, 51, 72) against a diaphragm (22, 48, 49, 57, 63, 90) to generate sound in water against the diaphragm. A...
|
|
|
5229766 |
Marine fuel tank pollution control apparatus
A marine craft includes a pollution control device for marine fuel tanks. The pollution control device includes a compartment for receiving fuel that leaves the fuel tank headed toward the vent via...
|
|
|
5197407 |
Security device for attachment to the rails a movable door or window
A security device in the form of a combination door or window stop comprising a housing for containing a canister of gas under pressure, a valve mechanism for releasing the gas through a sound...
|
|
|
5023608 |
Fuel filler alarm for boats
A fuel filler alarm for boats includes a housing, a whistle element on the housing and a suction ring on the housing. The suction ring is operable for detachably securing the housing to the hull of...
|
|
|
4997013 |
Liquid fill level indicator
An apparatus and a method for filling vessels with liquid has a non-electric fill indicator having an air passageway leading up and out of the vessel to an air flow indicator, air escaping during...
|
|
|
4976297 |
Funnel having improved liquid fill level indicator
An apparatus and a method for filling vessels with liquid has a non-electric fill indicator having an air passageway leading up and out of the vessel to an air flow indicator, air escaping during...
|
|
|
4871081 |
Dual wall vessel for primary and secondary liquid containment
A containment vessel for potentially harmful fluid including a fluid impermeable primary container having a multi-layer floor including a leak detection system. A concentric secondary fluid...
|
|
|
4805701 |
Fire extinguisher and alarm apparatus
A fire extinguisher and alarm apparatus for a container having a rim and a cavity to retain combustible materials comprising a reservoir having a chamber for retaining a fire extinguishing fluid...
|
|
|
4759309 |
Passive personal alarm device
A passive air, gas aerosol or pressurized fluid activated personal self-protection screech alarm device that is armed prior to the person utilizing it entering into a potentially dangerous area or...
|
|
|
4665386 |
Auxiliary knob for gas valve to annunciate open condition
An electro-mechanical auxiliary knob structure, releasably attachable to a rotatable knob of a valve, to annunciate an open condition of that valve operated thereby. The auxiliary knob pivots...
|
|
|
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.
|
|
|
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...
|
|
|
4463473 |
Vacuum cleaner
The present invention relates to a vacuum cleaner in which an alarm sound is generated by introducing air from the exterior in bypassing relation to a filter 8 when a suction load imposed on a fan...
|
|
|
4445454 |
Temperature sensor
A fusible solder temperature sensor adapted for use with a trapped fluid pressure header alarm system. The sensor includes an insulating plastic fitting having threads at one end and a bore...
|
|
|
4389880 |
Rapidly erodible sonde
An erodible sonde for detecting sand in the gas conveyed through a pipe. Such a sonde is constituted by a thin aluminium tube, one end of which communicates with a device for measuring the pressure...
|
|
|
RE30539 |
Soil cultivating implements
An implement, preferrably a harrow having a row of soil working members mounted on upwardly extending shafts, has spraying nozzles for dispensing material on the ground adjacent the rear of the...
|
|
|
4252076 |
Automatic signaling device
An automatic signaling device responsive to small pressure variation, said pressure variations being created by a restriction of fluid flow within a flow system. The pressure variation causes fluid...
|
|
|
4236949 |
Process for preparing a hermetically sealed assembly
The formation of a hermetic seal in an assembly resulting from the connection or encapsulation of one or more substrates such as cables by one or more dimensionally-recoverable covering members...
|
|
|
4227482 |
Pressurized fluid-actuated sound-producing device, and method of assembling it
A sound-producing device, for use with a pressurized fluid container, includes a body having an orifice surrounded by an annular seat, a cap facing the seat, and a diaphragm held taut over the...
|
|
|
4215646 |
Low pressure differential detecting whistle
A whistle audibly responsive to extremely small pressure differentials is described. The whistle has a cylindrical inlet portion, a cylindrical outlet portion and a cylindrical constriction that...
|
|
|
4166428 |
Intruder alarm
An intruder alarm security device includes a source of fluid under pressure which serves as a medium for oscillating a diaphragm at the throat of a horn to create an audible warning signal. The...
|
|
|
4091762 |
Audible vibratory reed assembly
An audible vibratory biased reed assembly having the properties of being activated or commencing vibration upon being subjected to a predetermined energy level. This assembly utilizes a straight,...
|
|
|
4044712 |
Pressurized fluid powered horn
A hand-held pressurized fluid powered audible alarm includes a housing in which is mounted a pressurized container having a deflection responsive valve and outlet member projecting therefrom. A...
|
|
|
4034813 |
Combined fire extinguisher and audible alarm
A portable combined fire extinguisher and audible alarm that may be removably disposed at a desired location to automatically eject a stream of pressurized fire extinguishing fluid into an adjacent...
|
|
|
4034174 |
Wind warning device
A wind warning device, comprising a wind tube and wind vane, includes a disc connected to a switch by a spring. The spring and disc are set to actuate the switch when wind velocity exceeds a...
|
|
|
4022148 |
Portable fire alarm
A self-contained fire alarm is described that is activated by a temperature-sensitive release mechanism. The alarm is a simple inexpensive device that requires minimal maintenance and is...
|
|
|
3993017 |
Particle flow monitor
A particle flow monitor mounted on a housing having a passage for carrying moving fluid and particles produces audio signals that are in proportion to the amount of particles moving with the fluid....
|
|
|
3961597 |
Liquefied gas alarm device
In a temperature-sensitive alarm device incorporating a horn driven by a propellant which is stored in the liquid state in a pressure vessel, full utilization of the propellant for sounding the...
|
|
|
3957012 |
Anti-burglary sound emitting device
An anti-burglary sound emitting device in which a pressurized fluid is discharged to audibly oscillate a diaphram to create a warning signal when an intruder opens a window or door to enter an area...
|
|
|
3941077 |
Signal device for detecting filter condition
Disclosed herein is a signal device for detecting the condition of a fluid line filter and automatically activating a signal indicating that the filter requires cleaning or replacement. The signal...
|
|
|
3924559 |
Signalling device for preventing spill-over from the fuel tanks of powered boats during filling
The device comprises two tubular extensions fixed respectively to the two opposing walls of a centrally located, generally cylindrical chamber. Those walls have respective central apertures in them...
|
|
|
3857350 |
FUEL VENT TANK
A fuel vent sump tank to prevent overboard spillage of fuel on marine craft comprising a sump tank connected to the fuel tank vent line, the vent line having a fuel flow alarm which informs an...
|
|
|
3814298 |
SAFETY RELEASE PIN
A safety pin of an inexpensive construction having a break-away portion which gives an indication that an apparatus has been previously operated.
|
|
|
3804053 |
COMBINATION STOP AND ALARM
A security device in the form of a combination alarm and door or window stop is constituted by a container of pressurized gas combined with a sound generator and suitable mounting means so that the...
|
|
|
3785334 |
GAS GENERATOR FIRE ALARM
A fire alarm is contained in a housing. There is a gas generator connected to a whistle. An ignitor starts the gas generator. More particularly, a fire alarm with a gas generator operated whistle...
|
|
|
3785335 |
AIR HORN
A horn which may be sounded selectively by blowing through a mouthpiece or by release of compressed gas. Valve means are provided to control the release of compressed gas and valve means are...
|