Matches 1 - 50 out of 74 1 2 >
Match Document Document Title
6886592 Sewer relief valve with integral disinfectant means  
A sewer relief valve assembly comprises a cylindrical sleeve dimensioned for insertion into a clean out which has an interior surface formed as a conduit and exterior threads adapted for mated...
6786815 Apparatus for venting rooms with exhaust fans  
An apparatus for venting several rooms having exhaust fans through existing roof openings made for existing ventilation systems, including turbine ventilators, roof ventilators, ridge ventilators...
6684415 Ventilation apparatus  
There is provided a drain pipe ventilating apparatus that prevents water seal from being broken by supplying air to a drain pipe without using a ventilation pipe having a vent hole installed at a...
6474365 Overflow drain outlet cover system  
A system for covering drain pipe outlets, particularly, as they exit a building. The system includes a band that is tightened around the exterior of a pipe as it protrudes through the side of a...
6431972 Multiple plumbing vent apparatus  
An apparatus for venting several plumbing pipes through existing roof openings made for existing ventilation systems, including turbine ventilators, roof ventilators, ridge ventilators and hip...
6092549 Device in a waste disposal system in a building  
The drain system in a building is divided in at least two parts, namely a first part (2) arranged to receive drain water contaminated to a relatively high degree from one or a plurality of first...
5645099 Sewer relief valve  
A sewer relief valve (40) made out of a durable plastic material comprises: a raised head or float housing (52) that serves as a gripping means during it's removal and installation; said housing...
5415438 Drainage vertical tube joint  
A drainage vertical tube joint comprising an inner tube (20) provided in hanging-down state at lower side of an upper vertical tube connection port (11), a reduction guide (21) provided in downward...
5209257 Sewer relief valve  
A vent for relieving pressure in a sewage collection system for buildings characterized by a buoyant float-closure which will easily open in response to fluid pressure to permit escape of gas or...
5048562 One way air admittance valve  
A one way air admittance valve (2) for admitting air into a pipe (3), which valve (2) comprises a body portion (4) for fitting to the pipe (3), at least one air inlet port (6) in the body portion...
5031659 Sewer line relief valve  
A backwater escape valve comprises a threaded shank received in the threaded opening of a clean out. A pivotally mounted valve body provides a frustoconical valve element and is biased by a spring...
5029606 Wall-mounted hook-up assemblies for washing machine and lavatory  
An in-the-wall base unit is provided for connection of building water supply and drain lines to it. A surface-mounted adaptor unit is fastened to the front of the base unit, extends outside the...
4998754 Drainpipe joint  
In a vent-free single-duct drainage piping system for vertical installation in multi-storied buildings with horizontally extending branches to receive drain from sources of different floors of the...
4991623 Automatic air valves for ducts  
An automatic air valve for a conduit, through which passes fluids and/or solids, which valve prevents the discharge of contaminated air therefrom into the environment and which further permits the...
4962548 Valve assembly  
A plumbing arrangement is described for a toilet pan connected to a waste disposal pipe. The waste pipe has an extension extending a short height above the flood level of the water trap. The upper...
4933995 Flush-operated bathroom fan  
A flush-operated bathroom fan is provided which utilizes a float-operated actuator in the water closet tank of the toilet which actuates a switch, turning on the ceiling fan, when the water level...
4919164 Method of installing piping, ducts and conduits in a prefabricated framed wall for a building structure and partition made thereby  
A method of making a partition for a prefabricated framed wall to be mounted into a building structure under construction has several steps: cutting at least one hole through each of a plurality of...
4917147 Backwater escape valve  
A backwater escape valve for plumbing systems comprising a cylindrical body adapted to be coupled to a drainpipe system at the opening normally occupied by a sealing plug, and having a vertically...
4867802 Air admittance valve for use in drainage systems  
An air admittance valve for use in drainage systems comprising a housing with an opening therein through which air passes into the drainage system, and a pivoted closure member adapted to close the...
4860503 Plumbing apparatus  
A waste water plumbing apparatus connecting waste water depositing receptacles between the different stories of a building. The waste water plumbing apparatus comprises principally a vent pipe and...
4850059 Apparatus for preventing backing up of sewage in a building  
A waste sewage system for a building constructed to prevent sewage from backing up within the building. A valve is connected to an end of a clean-out conduit line of a waste sewage system for...
4839927 Drainage system in multi-story building  
A drainage system installed in a building for conducting waste water from such sanitary fixtures as toilet bowls into the underground sewer, has a stack extending through the floor of each story of...
4811753 Recreational vehicle drain vent  
A drain vent apparatus for recreational vehicles may be coupled to the drain vent of a drain line of a vehicle and includes a coupling for a drain hose for the output of the drain vent. The drain...
RE32870 Sewer relief valve  
An improved sewer relief valve which is vandal-proof and automatically opens responsive to a back flow of sewage and drain water within a plumbing system.
4581780 Precast concrete toilet with vent  
An outdoor toilet constructed of precast concrete having integral color incorporated therein with the external surfaces being simulative of wood or the like and provided with a vault with a vent...
4551865 Ventilator for a lavatory pan  
A ventilator for withdrawing foul air from a lavatory pan has, within a housing (16), a duct (11) for connection between the discharge pipe (31) of the lavatory flushing assembly and the flush pipe...
4494255 Ventilated toilet device  
This invention includes in combination, a flush-type toilet and an odor-removing device comprising a toilet stool having front and rear portions with the front portion being the bowl and the rear...
4493117 Continuously deodorized toilet  
A deodorizer for a toilet employing a compact motor housing for drawing odor laden gases from the interior of a toilet when in use and venting those gases. The motor housing is a compact device...
4480656 Plumbing fixture  
This invention is directed to a plumbing fixture to lessen and to prevent the flow of a liquid, from a source of liquid, flowing to an apparatus such as a washing machine or a dishwasher. More,...
4449741 Waste plumbing installation and fittings therefor  
A plumbing network section for multi-storied construction is disclosed which uses an integral waste stack segment and waste receiving manifold for receiving waste from plumbing fixtures, and with...
4372087 Modular building structures  
A modular building structure is disclosed herein and comprises a support structure (10) including a plurality of spaced vertical columns (11), horizontal beams (12) interconnected between columns...
4323270 Pipe fitting device for plumbing systems  
This invention relates generally to fittings used in plumbing systems, and more particularly relates to a new and improved construction for a fitting device of the type for use intermediate of and...
4246664 Plumbing system and plumbing fittings for use therein  
Plumbing systems for routing wastes from a plurality of plumbing fixtures to a sewer, and for venting gases from the plumbing fixtures to the atmosphere. Also, plumbing fittings for use in such...
4191407 Pipe coupling for plumbing apparatus  
A plumbing connector and a method for installing or replacing pipe which extends between a toilet and a ferrule utilize a pair of sleeves arranged coaxially so as to form an annular socket for...
4162546 Branch tail piece  
A branch tail piece for connecting the waste water outlet of an automatic dishwasher or the like to a sink drain system. The tail piece includes an inclined branch member and a curved baffle...
4129906 Normally closed sewage venting system  
A normally closed sewage venting system comprising at least one or more plumbing fixtures having associated traps and drain lines that empty into a main drain that is connected to a sewer main. The...
4121914 Piping systems for drainage and piping members therefor  
A drainage piping system for discharging soil water and waste water from various plumbing fixtures comprises a vertical main pipe and lateral branch pipes connected to the fixtures. To provide a...
4073018 Internal back vent system  
An internal back vent system which includes a single vertical stack divided by concentric vertically disposed vent and drain pipes into a main central drain or waste passageway surrounded by an...
4038737 Method of replacing plumbing  
A method and apparatus for installing or replacing pipe which extends between a toilet and a ferrule structure projecting from a soil stack (or other points in a sewage system) does not require...
3975780 Bathing facility incorporating bathroom air exhaust fans  
The sapce over a shower or tub enclosure, of the type made in one piece of fiber-reinforced plastic, is closed with a dome and a vertical wall extending from the rail, supporting sliding doors, to...
3968815 Branch fittings for hydraulic stack apparatuses with gyrolaminary flow for use in buildings  
This invention is concerned with a branch fitting for hydraulic stack apparatuses with gyro-laminary ventilated flow for use in buildings, the fitting comprising a fitting body provided with an...
3941156 Plumbing test fitting  
A plumbing test fitting for a waste or vent stack extending between next-adjacent floors of a structure comprises a length of pipe having an opening in the side wall thereof. A shut-off valve...
3941151 Vent pipe check valve  
A valve assembly clamped to the upper end of a vent pipe includes an elongated sleeve with a band clamp and sealing gasket at its inner end for ready clamping to the vent pipe. A butterfly valve...
3938201 Ventilator for a toilet bowl  
Ventilator apparatus to remove foul air and objectionable odors from a toilet comprising a vent duct manifold molded into the rear portion of the toilet bowl rim and communicating with a laterally...
3896509 Ventilating system for bathrooms  
This invention relates to a ventilating system for bathrooms and embodies a two speed exhaust fan located at any suitable position remote from the bathroom to cut down fan noise. An air collecting...
3894302 Self-venting fitting  
The present invention relates to fittings and in particular to a fitting comprising a hollow body section having an outlet at its lower end, tubular members connected to the upper end of the body...
3894301 Integrated drain and vent system for sinks  
An integrated drain and vent system for sinks adapted particularly for use in recreational type vehicles. The sink drain line is equipped with a gas and vapor trap or gooseneck which connects to a...
3852836 SEWAGE BACKWATER RELIEF VENT  
Disclosed is a household sewage collection system employing a backwater relief vent. The relief vent is an externally threaded cylindrical body adapted to replace the clean-out plug and has a...
3848275 STANDPIPE VENT SYSTEM AND FITTING FOR MULTI-STORY BUILDINGS  
An improved sanitary drain system for multi-story buildings is disclosed. A loop vent fitting is provided in the waste or soil stack at each floor where the horizontal branch line connects with the...
3821818 PREFABRICATED BATHROOM WALLS  
A unitary building wall, having a plurality of sets of passageways disposed therein and serving as a conduit for introducing the necessary utilities to a dwelling unit, is disclosed. A plurality of...
Matches 1 - 50 out of 74 1 2 >