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A vest or belt is integrally formed with tubular, pet receiving passageways which extend around the wearer's body and terminate in pocket-like chambers for feeding and retrieval.
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| Number | Title | Issue Date |
| 5861547 | Apparatus for and method of testing leakage of hollow member A leakage testing apparatus for testing whether or not a hollow member of a hollow shape has a leakage, comprising: a hold mechanism for holding the hollow member such that the inside and the outside are isolated gas-tight from each other; an injection me... | 01/19/1999 |
| 5854422 | Ultrasonic detector An ultrasonic detector of the present invention includes an ultrasonic transducer for detecting ultrasonic energy and generating an electrical signal having an amplitude corresponding to the detected level of the received ultrasonic energy, and a light so... | 12/29/1998 |
| 5831148 | Capacitor bank liquid dielectric leak sensor apparatus A capacitor bank leak sensor apparatus for preventing damage or failure of the capacitor bank of the type which includes a plurality or array of spaced apart dielectric liquid filled capacitors positioned within a housing. The failure prediction/preventio... | 11/03/1998 |
| 5795995 | Leak tester and leak testing method This invention relates to a leak tester for testing the tightness of a test object such as a fuel feed apparatus for an internal combustion engine, and specifically to a leak tester for testing the air tightness of a fuel feed apparatus provided with a fi... | 08/18/1998 |
| 5780722 | Method and apparatus for testing watertightness of a railcar A method and apparatus for testing watertightness of a railcar comprises a blower fan apparatus with an exhaust duct and an exhaust outlet that can be sealed against an aperture in the railcar. The fan blower of the apparatus is capable of providing an ai... | 07/14/1998 |
| 5772938 | Composite storage tank having double wall characteristics A composite storage tank is built which has double wall characteristics. A method of building the tank comprises the steps of applying a viscous resinous core material to a support surface and then winding onto, into or along with the viscous resinous cor... | 06/30/1998 |
| 5767393 | Apparatus and method for detecting leaks in tanks An apparatus for detecting a leak in the storage tank which includes a transducer for detecting and converting a mechanical wave into an electrical signal, a support tube having an upper end extending outside of the tank and a lower end extending inside t... | 06/16/1998 |
| 5767390 | System and method for storage system leak detection A leak detection system and method for detecting leaks from a storage system containing a liquid, the leak detection method includes mixing one or more tracers soluble in the liquid to provide a liquid-tracer mixture within the storage system. The tracer ... | 06/16/1998 |
| 5760294 | Method of and apparatus for checking the volume of containers A method of checking the volume of containers is disclosed according to which a gas is fed into a volume which is correlated to the volume of the respective container and a signal which depends from the fed amount of gas is evaluated as signal indicative ... | 06/02/1998 |
| 5752616 | Storage vessel A method of applying a laminate (4, 5, 6) to one side of a wall of a storage vessel (1) and which comprises: securing a first substantially impermeable layer (4) to said one side of the wall; securing an intermediate liquid pervious layer (5) to the expos... | 05/19/1998 |
| 5744701 | Electronic liquid leak detector A leak detector apparatus 10 is disclosed which measures changes in fluid level in a tube 54 substantially located within a reservoir 29 of hydraulic fluid. The tube 54 has a first end which is open to the atmosphere and a second end which is submerged in... | 04/28/1998 |
| 5734096 | Swimming pool leak detecting device A swimming pool leak detecting device including an interior housing slidable along a floor and side walls of a swimming pool. A telescopic pole is pivotally coupled with the interior housing. A floating housing is adapted to float on a surface of the swim... | 03/31/1998 |
| 5720404 | Female-molded underground storage tank and method of making A female-molded double-walled underground storage tank is provided with an annulus of reduced thickness, defined by a plastic film. The film separates the inner and outer walls of the tank, providing an annulus which can be monitored to monitor the tank f... | 02/24/1998 |
| 5714681 | Double carcass hose failure detection system Disclosed an electro-optical sensor which preferably is used to detect leaks in marine surface and submarine anti-pollution hoses which are used to transfer petroleum products to and from ships. The electro-optical sensor is located in housings that allow... | 02/03/1998 |
| 5703280 | Method and apparatus for checking waterproof connectors for waterproofness A waterproof connector is checked for waterproofness, which waterproof connector has a terminal-accommodating chamber into which a terminal is inserted and which is sealed with a waterproofing rubber stopper through which an insulated wire attached to the... | 12/30/1997 |
| 5686658 | Aboveground liquid storage tank leakage detection An aboveground storage tank is provided with a mass balance system for quantitative detection of leakage of liquid from a tank. Arrays of temperature sensors measure the exterior wall temperature of the tank and temperature sensors in an open-ended standp... | 11/11/1997 |
| 5675073 | Device for detecting leakage of fuel vapor A device for detecting leakage of fuel vapor including a pressure sensor which is arranged in a fuel vapor conduit connected to the fuel tank. The pressure sensor detects the pressure inside the fuel tank. It is judged that the fuel vapor has not leaked f... | 10/07/1997 |
| 5673025 | Fluid leak detector mechanism A fluid leak detector mechanism having a main fluid tank, an expansion tank for receiving fluid therefrom as the fluid becomes heated and expands, and a sensing chamber operatively coupled with the main tank. A signalling mechanism signals to an operator ... | 09/30/1997 |
| 5668308 | Leakage detection A method of testing the leakage rates from tanks for containing volatile liquids such as petrol or diesel, with a view to determining whether the tank leaks excessively. The tank is at least partially filled during testing in order to save time. The leaka... | 09/16/1997 |
| 5665895 | Apparatus and method for calibrating a storage tank An apparatus and method are provided for calibrating a liquid storage tank. The apparatus includes a sensor disposed within the tank for sensing the liquid levels in the tank and one or more metering devices for measuring the amount of liquid dispensed in... | 09/09/1997 |
| 5663490 | Breakage detection system for water-barrier sheet in waste disposal facility A system for detecting the position of a break in a water-barrier sheet placed in a waste disposal facility for isolating wastes from the ground of the waste disposal facility includes at least one optical fiber laid in a predetermined pattern between the... | 09/02/1997 |
| 5661228 | Liquid pressure and level sensing instruments An improved liquid pressure measuring system comprising a container containing a liquid at a level to be sensed, a pressure sensing chamber located within said container and having an open bottom, a pressure sensing device connected to sense the pressure ... | 08/26/1997 |
| 5656766 | Underground drain tank A drain tank for installation underground has a longer life than steel and fibreglass tanks and has a leak detection system to identify leaks. The drain tank comprises a sealed concrete chamber having at least one opening at the top thereof with a collar ... | 08/12/1997 |
| 5650564 | Fluid drip detection system A fluid drip detection system which is not prone to false alarms caused by the presence of dirt or solid particle contaminants in the fluid. The fluid drip detector comprises; a conducting hollow housing for permitting fluid flow and passage therethrough,... | 07/22/1997 |
| 5644072 | Evaporative emissions test apparatus and method A portable emissions test apparatus for testing for vapor emitting leaks in a fuel holding system in a vehicle includes a pressurizing system and a pressure-monitoring system. The pressurizing system includes a first pressure regulator configured for conn... | 07/01/1997 |
| 5637788 | Apparatus and method of detecting a leak in an evaporative emissions system A apparatus and method of detecting a leak in an evaporative emissions system measures vapor flow out of the evaporative emissions system while maintaining a zero pressure difference from inside a fuel tank to atmosphere and provides a reference vapor flo... | 06/10/1997 |
| 5616830 | Fluid drip detector An electric resistance measuring device situated in fluids, comprising; a housing having a bore therethrough, the bore having a seat; a movable door means situated in the bore, engagable with the seat; whereby, fluid movement disengages the door from the ... | 04/01/1997 |
| 5600996 | Method and apparatus for testing the tightness of housings To measure the leakage rate in hollow bodies, the throughflow rate of the air flowing into the leaky hollow body is automatically measured and indicated numerically at a given test pressure. This is achieved by feeding fluid from a prechamber filled with ... | 02/11/1997 |
| 5600057 | Method of leak detection in a heat exchanger combustion chamber A method of detecting leaks in a forced air furnace heat exchanger combustion chamber wall burning a blue color flame of gas includes introducing a fine mist of a liquid fire retardant compound into the return air stream upstream from a blower forcing air... | 02/04/1997 |
| 5597948 | Storage tank system with independent monitoring of ribs and tank wall A double wall ribbed storage tank system is provided with the capability of independent monitoring of support rib areas and secondary containment areas of the tank system. The storage tank system comprises (a) an inner storage tank for primary containment... | 01/28/1997 |
| 5596138 | Air-tightness testing arrangement for electric devices In an arrangement for testing air-tightness of an electric device having an enclosed housing, and an electric connector fitted into an opening provided in the housing, the electric connector is provided with a communication hole for communicating the inte... | 01/21/1997 |
| 5596137 | Can vent testing device The present invention includes a device and a method for testing a can for leakage with the device including a main body, a mechanism for sealing against an internal surface of the can to effect a sealed chamber within the can, a mechanism for placing the... | 01/21/1997 |
| 5591899 | Continuously operating inspection machine for vessels Bottles made of transparent plastic material or glass are subjected to at least one stationary examination device and further for detecting impurities or damage to the bottom, side wall or mouth regions of vessels. To be able to detect defects which may c... | 01/07/1997 |
| 5589631 | Leak detection with non-toxic liquids Systems for fluids (including liquids) and materials with a fluid phase. The material is confined in a primary containment, and a secondary containment is used to keep fluid leaking from the primary containment from the surrounding environs and to keep le... | 12/31/1996 |
| 5588461 | Hazardous material containment system A system is provided for containing material leaks which occur while a shipping container is being loaded or unloaded. The system includes portable dome that is placed on top of a shipping container, covering the container's inlet or outlet valves. If a l... | 12/31/1996 |
| 5586586 | Unitized fuel storage system A unitized tank structure including a vessel having at least first and second compartments. Fill lines are coupled to the vessel providing access to fill the first and second compartments of the vessel. At least one sump riser portion is coupled to the ve... | 12/24/1996 |
| 5583283 | Impoundment leak detection, location, and containment system An impoundment leak detection, location, and containment system comprises an impermeable grid having a plurality of leak detection modules positioned below the impoundment. A tunnel is located adjacent the impermeable grid, and a plurality of conduits pro... | 12/10/1996 |
| 5578993 | Temperature compensated annunciator A solid state temperature compensated annunciator is disclosed. The solid state temperature compensated annunciator includes a pressure sensor for measuring a pressure of the fillant within a vessel and a temperature sensor for measuring the temperature o... | 11/26/1996 |
| 5576479 | Apparatus and method for pressure testing a body having a chamber therein An apparatus and method for pressure testing a body having a chamber by utilizing differential pressures to create a seal, whereby the body can be pressure tested without undesired forces being exerted upon the body.... | 11/19/1996 |
| 5557965 | Pipeline leak detector An apparatus for detecting leaks in a pipeline in a liquid dispensing system. The apparatus generally includes a tank containing a liquid, a dispenser valve disposed remote from the tank, a pipeline connected between the storage tank and the dispenser val... | 09/24/1996 |
