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5775363 |
Double seat valve with a controlled leakage cavity
The invention relates to a double seat valve with a controlled leakage cavity according to the preamble of claim 1. It is an object of the present invention to create favorable conditions for...
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5771916 |
Automatic shut-off for a conduit fluid containment system
This invention relates to a conduit that is at least partially encased within a containment housing. The containment housing provides structure for containment of fluids from a leaking or totally...
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5769111 |
Leak detector
Leak detector apparatus (40) is provided for use with a toilet inlet valve assembly (12) that includes a float (30) slidable along a vertical post (32), which can be easily installed by a handyman....
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5769109 |
Storage vault with overflow containment collar
An overflow containment system for metal or fiberglass liquid storage tanks mounted within a liquid impermeable, secondary storage space. An open-topped, reinforced cast concrete base includes an...
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5762098 |
Fluid mixing device, particularly for industrial inks or paints
An automatic fluid mixing device wherein a cylindrical supporting structure supports a first number of valves angularly spaced along a first circumference, and a second number of valves angularly...
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5756882 |
Cap low leak testing system
A method is provided for accurately determining the volume of gas that has leaked through and around a cap having a mouth and a seal situated about the circumference of the mouth. The method...
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5752540 |
Drain sock
A device for removing sprinkler heads from the type of overhead sprinkler systems commonly found in commercial buildings. During use the device is clamped around the sprinkler pipe attached to a...
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5752543 |
Drum containment dolly
A drum containment dolly for liquid waste containment drums. The drum containment dolly has a containment vessel having a volume that is greater than the volume of the containment drum carried by...
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5743289 |
Drain channel and forms for backflow prevention device cover
An apparatus for maintaining the temperature of material contained in fluid conveying devices. The apparatus may include a cover that encloses a fluid conveying device and a drain channel that is...
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5738139 |
Waste water recovery system
A waste water recovery system includes a ground cover made of non-woven geotextiles covered with a fluid impervious barrier layer. A drainage waffle is placed on top of the barrier layer and is...
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5732731 |
Secondary seal bypass valve for gate valves
In combination with a gate valve comprising a valve body having an internal cavity extending between an inlet port and an outlet port, a bonnet mounted to the valve body and having an internal...
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5725022 |
Direction control valve
A direction control valve is constructed in such a manner that a spool bore having an inlet port, an actuator port and a tank port is formed in a valve block, a spool slidable between positions for...
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5725009 |
Fitting removal fluid discharge bag
A device for containing and redirecting fluid which is released when a fitting is removed from an end of a pipe is attached to a pipe after the connection between the pipe and the fitting has been...
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5713387 |
Conduit fluid containment system with automatic shut-off
This invention relates to a conduit that is at least partially encased within a containment housing. The containment housing provides structure for containment of fluids from a leaking or totally...
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5701928 |
Leak compressed fuel gas discharging device
A leak compressed fuel gas discharging device in an automobile having a compressed fuel gas tank arranged within a shut-up compartment such as a trunk room is provided. The device comprises a pipe...
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5699825 |
Double seat flow control valve
A double seat flow control valve includes three pneumatic pistons enclosed within two air chambers to operate upper and lower valve disks for venting operations in addition to valve opening and...
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5694970 |
Safety valve for water supply system
A safety control valve for a domestic water supply system is described. It includes a valve body having a flow passage therethrough comprising a pair of laterally spaced vertical flow channels and...
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5690138 |
Receptacle for a dripping spigot
A receptacle for a dripping spigot including a base member having an open upper end, a closed lower end and a cylindrical side wall therebetween. A back splash member extends upwardly from the open...
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5682919 |
Float controlled valve shut-off assembly
An apparatus for shutting off an impact valve being closeable by a latch bar in response to an accumulation of gasoline within a containment box, the apparatus comprising a cam being rotatable...
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5671775 |
Valve fluid pressure leakage signaling
In a valve unit to control the flow of high-pressure fluid, the combination comprises a housing having a fluid inlet and a fluid outlet, a flow port in the housing communicating between the inlet...
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5655561 |
Wireless system for detecting and stopping water leaks
A water-activated alarm system, providing an alarm in the event of a water leak, includes a radio-frequency transmitting unit and a receiving unit and a number of safety features to ensure proper...
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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...
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5647412 |
Apparatus for containing oil and waste spillage at a line connection
An apparatus comprising a container having a bottom and an upstanding sidewall, wherein the sidewall forms an open top end of the container. The container has opposed sidewall openings for allowing...
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5645103 |
Water heater stand with overflow catch basin
A water heater stand with overflow catch basin having a flat, horizontally elongated stand member having a generally round shape and surrounded by a continuous vertical wall circumscribing the...
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5638862 |
Diaphragm valve
A valve unit to control the flow of high-pressure fluid comprising a housing having a fluid inlet and a fluid outlet; a flow port in the housing communicating between the inlet and outlet, and a...
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5634485 |
Method and apparatus for retrofitting drilling rigs with a catch pan
A method for retrofitting existing drilling rigs with a catch pan. Firstly, provide a pan-like body consisting of two portions. Each portion includes an interior edge having a semi-circular...
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5632302 |
Overflow protection shut-off apparatus for use with a water heater
An overflow protection shut-off device for use with a water heater for shutting off a supply of water to the water heater when a leaking or an overflow condition occurs, the device including a...
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5620018 |
Emergency spill collector
Described is a collector/reservoir made of flexible and chemically-resistant material. The collector/reservoir has an open top, and side walls which are quickly inflatable with air or some other...
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5620017 |
Pressure regulating system for a fire extinguishing facility
In a pressure regulating system for a fire extinguishing facility, a primary side and a secondary side of a body of a pressure regulating valve is isolated from each other by a main valve. An...
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5615700 |
Double containment fitting
A double containment manhole fitting for use with a double containment pipe with inner carrier pipes and outer containment pipes. The fitting includes an inner T carrier housing that may be...
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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...
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5608922 |
Toilet stabilizing and sealing gasket
A rubber gasket slightly larger than the footprint of a standard toilet base. The gasket has central hole for surrounding the soil pipe or connection flange from the toilet. A lip surrounds the...
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5606990 |
Potable rainwater collecting apparatus
An apparatus for use in collecting potable rainwater is disclosed which includes a trough member having a dished surface which is adapted to receive rainwater when operatively disposed. A discharge...
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5597001 |
Portable equipment wash station with retractable flooring system
A portable equipment wash station employing a retractable flooring system. The retractable flooring system typically utilizing three layers. The first pad being a ground cover layer which employs a...
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5590680 |
External valve operating means
An external valve operating means that forms a seal around the rotating valve stem of a valve operating under internal pressure is disclosed. This seal prevents the escape of fluids should the...
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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...
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5586576 |
Dosing valve having seal failure detection
A piston-type dosing valve is set forth that provides a hermetically sealed chamber behind the diaphragm which separates the aseptic portion of the valve from the mechanical portion of the valve....
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5570714 |
Explosion-retardant containment vessel for storage of flammable liquids
The present invention is directed to an above-ground, explosion-retardant containment vessel for the storage of a flammable liquid. The containment vessel preferably comprises a primary storage...
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5564858 |
Protective collar for fill pipe adaptor
A protective collar for a nozzle adaptor and fill pipe assembly includes a collar body with upper throughholes and lower throughholes. The upper throughholes have bolts or set screws passing...
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5555907 |
Divided box for valve controller
An enclosure containing valves, batteries and electronic circuitry controlling the operation of an automatically actuated faucet includes a dividing wall slanted from the horizontal and separating...
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5550532 |
Method and device for containing fuel spills and leaks
A device and method for containing spills and leaks from fuel handling equipment is provided in which differential sensing means detect the presence of hydrocarbons and nonhydrocarbons such as...
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5546977 |
Dual containment valve system
An integral dual containment valve system for dual containment piping having inner carrier pipes for fluid and outer carrier pipes. The dual containment valve system includes an inner carrier...
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5533760 |
Method and device for containing fluids
An apparatus and method for containing fluid about sections of joined fluid vessels is presented. The apparatus and method incorporate the use of a vessel wrapping substantially enclosing the area...
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5532613 |
Probe needle
The present invention relates to a probe needle wherein a conductive film is formed over a first insulating film formed around the outer periphery of a rod-like member through which a signal...
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5529098 |
Gasoline containment systems with leak-resistant plastic fittings
A containment box for collecting leaking gasoline from gasoline handling equipment, such as a gasoline dispenser, is disposed below the dispenser. The box receives a gasoline supply pipe passing...
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5529758 |
Three-bed rotary valve and fume incineration system
A three-bed regenerative fume incinerator system includes a single rotary fluid control valve which effects three operational cycles in a repeating sequence. A valve body has a cylindrical inner...
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5520209 |
Fluid relief device
The present invention discloses a fluid relief device for relieving pressure of a fluid stored in a container or tank, or fluid used in a piece of equipment. In one aspect such a device has a body...
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5516318 |
Pad for containing liquid spills
A pad, system and method of collecting and containing liquid leaks and spills, comprising a flexible, liquid-impervious pad having a bottom and inflatable sides, a pair of tethers connected at one...
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5515881 |
Multi-storage tanks and dispensing units
The present invention is directed to multi-storage tanks and dispensing units, comprising a securable housing having a top panel, a back panel, side panels, a front panel having a door securable...
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5511573 |
Contaminated valve containment device
A contaminated valve containment device is provided which includes a leak-proof housing that is attachable to a leaking pipe member to prevent migration of contaminants to the environment. Disposed...
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