Matches 1 - 50 out of 190 1 2 3 4 >
Match Document Document Title
7543599 Siphon and backflow resistant valve  
A valve assembly for preventing backflow and siphoning in a plumbing line, the valve assembly comprising a valve body including a first end having a first aperture for receiving liquid from a...
7543598 Vacuum break thermistor housing  
A vacuum break assembly including a housing and a sensor assembly. The housing has a pocket therein, the pocket having a wall. The sensor assembly includes a spring beam and a thermal sensor held...
7465399 Filtered and unfiltered water ducting in sink fitting  
In a multi-ducted sink fitting assembly, a waste water connection to an assembly comprises a reverse osmosis waste water upright duct associated with the fitting; a dish water upright duct...
7387502 Method and apparatus for elimination of gases in pump feed/injection equipment  
A pumping apparatus for pumping a liquid from a source to a target including a motor, a first pump driven by the motor, a second pump driven by the motor and a separator in fluid communication with...
7357147 Modular air gap device and faucet including same  
A modular air gap device adapted for selective insertion into an associated faucet body and comprises a base, an inlet nipple defining an inlet passage and an outlet nipple defining an outlet...
7353838 Top mounted faucet assembly with air gap  
A faucet assembly includes a base having first and second ends, a sidewall extending between the ends, a mounting bore extending from the first end, a permeate water spout port extending from the...
7290557 Drain line adapter air gap fitting  
An air gap fitting and method for fluid flow coupling an appliance waste water discharge outlet to a sewer stand pipe inlet. A bell-shaped hood has a side wall skirt tapering downwardly divergently...
7213608 Wasted water draining valve for a drinking water fountain  
A wasted water draining valve for a drinking water fountain includes a valve body having a bottom having a first side formed with a wasted water inlet channel and a second side formed with a wasted...
7059341 Discharge ducts for pumping water from a supply reservoir to a delivery reservoir  
A discharge duct for discharging pump water from a supply reservoir defined by a first minimum water level and a supply reservoir floor to an operatively higher located delivery reservoir defined...
7047998 Gravity flow drain extension for a condensation drain line  
A gravity flow drain extension is adapted for attachment to an exit opening of a condensation drain line. The drain extension includes an extension line for receiving and transporting water. The...
7017600 Faucet  
A faucet includes a base and a body. The body may be coupled and decoupled to the base with a bayonet fitting which is configured to prevent a forward rotation of the base relative to the body and...
6971400 Air gap apparatus  
A dual inlet air gap fixture having an air gap body with first and second interior inlet conduits for receiving wastewater flow respectively from first and second identical or diverse sources of...
6776183 Aircraft drain device  
An aircraft drain device ( 14 ) for interposition between a potable water line (e.g., the drain line from an ice drawer) and a gray water line leading to a drainmast or other external drain. The...
6748966 Combination air gap for dish washer and soap dispenser  
A structure is mounted on a sink top or counter top between a dishwasher discharge line and a vented plumbing line to provide an anti-siphon feature for a household dishwashing machine. The...
6510863 Dual inlet air gap  
A dual inlet air gap having an air gap body comprising a pair of inlet ports having substantially the same size, rate of flow, and pressure drop to accept waste water flow from a pair of waste...
6499501 Conduit system for proximate flow of clean and waste water  
In a system for handling closely proximate flows of relatively clean and unclean water, the combination comprising a first conduit for passing relatively clean water to a first discharge, a second...
6453931 Combination dishwasher and reverse osmosis air gab body  
A modified or retrofitted air gap body to vent the waste water discharge from a source such as a household dishwasher in such a manner that it also vents the waste water discharge from a reverse...
6435203 Apparatus and method for regenerating etchant solution containing metal compound  
Disclosed is an apparatus and method for regenerating an etchant solution comprising metal compounds. When a sample of the etchant solution is determined to be of lower etching ability than a...
6427716 Positive displacement hydrant with water discharge path from reservoir  
A hydrant, comprising in combination an upper portion including a handle, a lower portion to be installed at least in part underground, the lower portion including a reservoir and a piston adapted...
6349731 Water inlet system for dishwasher  
A water inlet assembly for mounting adjacent an opening provided in a tub of an automatic dishwasher wherein the tub defines a cavity having a volume for washing dishes. The water inlet assembly...
6279598 Mixing eductor  
Disclosed is an improved mixing eductor (10) of the type wherein the primary liquid (17), e.g., water, is in a main stream (201) flowing in a downstream direction. A venturi tube (51) is in the...
6269833 Spent fuel pool anti-siphon system  
A transfer system for transferring liquid from a liquid source to a reservoir which includes a fluid conduit having a coupling attached to an inlet end and an anti-siphon apparatus, having an upper...
6189558 Universal port vacuum breaker adapted for mounting within the upper ends of standpipes of different sizes  
A vacuum breaker having inlet port arrangements for accepting either a single input flow or multiple input flows, and adapted to vent multiple input flow substantially independently of one another,...
6105599 Transporting water device  
A transporting water device has a water pipe connected to a water conduit and a water tank, an upper switch disposed on an upper end of the water pipe, a lower switch disposed on a lower end of the...
6098651 Non-educting back flow prevention device  
Disclosed is a non-educting device (10) for preventing back flow of contaminated water into a potable water system. The device (10) includes first and second nozzles (33, 35) in series flow...
5983929 Air valve  
An air valve that comprises a concave, downwardly facing cover (4) which is carried by a pipe connector (1) connected generally coaxially thereto, wherein the upper edge-part of the pipe connector...
5934309 Collection assembly incorporating air-break design  
A collection apparatus for the collection and disposal of effluent from multiple sinks is provided that effectively maintains air gap and sanitation requirements within a minimal vertical distance....
5915406 Air gap device for water softener system  
An air gap device for a water softener system, the device having depending inner and outer skirt portions adapted to engage the inner and outer surfaces of an upstanding relatively small standard...
5881753 Passive fluid level controller  
A fluid level controller which replaces fluid lost from a container thus maintaining the fluid level in the container. It is comprised of the following major pieces: an airtight reservoir (10) with...
5878603 Quiet water fill system  
A quiet fill water system for a washing machine comprises a washing tub having an outer wall and an entry port disposed within the outer wall and a valve having a water inlet and a water outlet. A...
5875809 Accessory faucet for purified water in a dishwasher air gap system  
An in-line accessory faucet having a separable plastic air gap module for use with an activated carbon purification unit bypassing thereby dishwasher waste water conduits. An improved air gap...
5862829 Air gap eductor  
A three-piece air gap eductor includes a molded body having air gap, discharge and venturi sections, a nozzle and a spray shield extending about the venturi section entry to constrain turbulence...
5860444 Air gap backflow prevention device  
A backflow prevention device for connection between an equipment liquid drain line and a sewer connection, the device being operable to prevent backflow of sewer waste into the equipment,...
5839474 Mix head eductor  
An eductor apparatus 20 includes a fluid inlet port 30 which directs fluid through an air gap 32 to an eductor 42. A rib 38 deflects any fluid which bounces off of the eductor 42 so that the fluid...
5823430 Automatic fertilizing apparatus  
An automatic fertilizer system apparatus having a liquid fertilizer dispenser for introducing the continuous addition of a selected amount of fertilizer, insecticide, herbicide type chemicals to...
5813702 Water softener drain adaptor system  
A water softener drain adapter system includes a tube having a first end and a lumen, a plurality of air slots project into the tube, an arcuate cap encloses an end of the tube opposite of the...
5797420 Proportioner  
This proportioner (10) is used in conjunction with a water supply connector (12) to provide a fluid mixing device for water and liquid detergent. The proportioner (10) includes a valve body (20)...
5797419 Sewer line trap priming assembly and antisiphoning conduit component therefor  
An automatic sewer line trap priming assembly including a gap type, anti-siphoning conduit component. A shielded and directed jet at timed intervals directs priming water increments into a...
5782112 Auto-injection siphon break for washers  
A siphon break for a washing machine comprises a siphon body and a reservoir. The siphon body includes first and second openings arranged to receive fill water, a third opening arranged to direct...
5713385 Air gap body for reverse osmosis system  
A method and apparatus for modifying or retrofitting an air gap arrangement for venting the discharge from an existing waste water source such as a household dishwasher, so that the arrangement...
5681459 Refect water drain line installation system and apparatus for under sink reverse osmosis filter system  
Reject waste water adapter coupling fitting, system and installation method for use with a household undercounter reverse osmosis (R/O) water filtration installation associated with an in-counter...
5678592 Back flow prevention device  
Disclosed is an improved device (10) for preventing back flow of possibly-contaminated water into a potable water system. The device (10) includes first, second and third nozzles (33, 35, 37) in...
5673725 Air gap device with interchangeable parts  
An air gap, venturi-type mixer for mixing a liquid chemical with water includes a readily field-exchangeable collimator, water seal and venturi unit to accommodate different flow rates. The venturi...
5635058 Reject water drain line installation system and apparatus for under sink reverse osmosis filter system  
A method, system and adapter couplings for draining the reject bypassed waste water from a reverse osmosis (R/O) filtration unit to a sewer line, and particularly adapted for use in a household or...
5592964 Air gap anti-siphon System  
An air gap anti-siphon system designed for high flow rate drainage of waste water from household water softeners and the like, but adapted to be converted for low flow rate drainage of waste water...
5535774 Apparatus for storing and supplying water for use in catering equipment  
Apparatus is disclosed for storing and supplying water for use in a unit of catering equipment, comprising means for controlling the supply of water from a mains source to a water storage tank and...
5522419 Chemical eductor with integral elongated air gap  
An improved venturi eductor for proportional dispensing of chemicals into flowing water includes a large anti-siphoning air gap section. The air gap section includes an outer wall and an inner wall...
5514344 Solution dispenser for air conditioning microorganism control  
Microorganism growth within water chambers of air conditioning systems is controlled by the periodic introduction of minute quantities of biocidal materials. A large volume reservoir holds a...
5462079 Anti-siphon mixing valve  
A hot and cold water mixing valve for use with faucets, shower/tub controls and other plumbing fittings includes a sleeve having a hot water inlet and a cold water inlet spaced therefrom and an...
5305778 Air gap apparatus  
An air gap apparatus for plumbing applications such as reverse osmosis (RO) units and other systems in which reject water empties at a relatively slow rate into a drain line. The apparatus can be...
Matches 1 - 50 out of 190 1 2 3 4 >