Class 4/255.04 - Connected to a source of external fluid under pressure

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein the apparatus includes a conduit
No. of patents: 33
Last issue date: 02/01/2011

Number	Title	Issue Date
7877821	Portable compressed-air gun for unclogging single drains A hand-held gun-shaped device having an air compressor, an air chamber, and at least one detachable drain-sealing adapter, which are used together to clear soft stoppages from single drains. Air compressor power may be supplied by a removable power cord or battery. ...	02/01/2011
7325573	Plumbing line test plug and method of use of the same A plumbing line test plug includes a plug body adapted to plug an interior diameter of a plumbing line. The body has a wet face, which is exposed to liquid when in use, and a dry face, which is opposed to the wet face. A flexible pressure responsive annular membrane...	02/05/2008
7213273	High pressure plunger A plunger includes a lever, a pipe, a rod passed through an axial hole of the pipe, a covering member, and a spring; the rod will be upwards displaced when the lever is pivoted upwards; the rod has a passage therein, and a head at an upper end for connection with an...	05/08/2007
7194773	Toilet tool A tool is constructed and adapted for dislodging debris obstructions in a toilet bowl and similar other drains. An elongate longitudinal shaft extends from a handle end to a curved blade end. The curved blade end is broadened, expanded and flattened from the shaft, ...	03/27/2007
7185529	Shower station testing assembly for pressure testing plumbing The present invention provides a testing assembly for pressure testing a plumbing system in a building where the building has a shower station with a drain and a shower inlet. The testing assembly includes a drain adapter, a hose fitting on the shower inlet, and a h...	03/06/2007
7120943	Air-burst drain plunger An affordable plumbing device that uses a compressed gas and a burst disk having a relatively even surface of substantially uniform thickness to produce a sudden discharge of energy to forcibly act against any obstruction that may interfere with the proper function ...	10/17/2006
7062799	Piston type drain clearing apparatus An apparatus for clearing a clog in a pipe that includes a hollow, rigid cylindrical body, the body having a closed end and an open end; a piston disposed in the body for reciprocation therein; a rod attached to the piston and extending through an opening in the clo...	06/20/2006
7063095	Drain washing apparatus The present invention relates to apparatus for washing drains. The apparatus includes a support and a nozzle, which are adapted and configured to convey fluid to and to wash a drain. Typically, the apparatus includes a wand as the support and a ball or head as the n...	06/20/2006
6941613	Pipe cleaning vacuum sealing apparatus A pipe cleaning vacuum sealing apparatus includes an intra piping sealing frustum. The frustum is generally shaped as a frustum of a circular cone with an interior and exterior surface. The interior surface is adapted to releasably receive a plurality of various vac...	09/13/2005
6941589	Method and apparatus for clearing plugged pipes A drain clearing device for use on unvented plumbing fixtures having a drain and a holding tank is provided having a valve body. The valve body has a first end and a second end with a fluid flow channel therethrough, and a valve connected to a handle actuated to ope...	09/13/2005
6922854	Air-burst drain plunger An affordable plumbing device that uses a compressed gas and a burst disk having a relatively even surface of substantially uniform thickness to produce a sudden discharge of energy to forcibly act against any obstruction that may interfere with the proper function ...	08/02/2005
6907622	Flushing device for toilets A flushing device for toilets includes a source for applying a fluid pressure to a blockage area and provides a seal in the blocked conduit to prevent backflow so that full pressure is applied to the blockage. The device includes a resilient, deformable and expandab...	06/21/2005
6892401	Compressed air tool A compressed air tool for unclogging drains includes an air chamber for storing compressed air. A one-way air inlet is fluidly coupled to the air chamber. An outlet valve selectively allows compressed air from the air chamber to enter a tube fluidly coupled to the a...	05/17/2005
6775857	Drain fitting device for sealing and facilitating introduction of fluid or gas to pressurize clogged drain A drain fitting device (10) adapted to seal and facilitate introduction of a fluid, such as tap water, or a gas, such as compressed air, into a clogged drain (12), thereby pressurizing the drain (12) and removing the clog. In a preferred first e...	08/17/2004
6594849	Plumbing device The invention comprises a drain cleaning apparatus having a flexible forward tubular portion and a rigid real-ward tubular portion. The flexible portion is coupled to a drain pipe of a building connected to the sewer line, after the elbow connection betwe...	07/22/2003
6405385	Plunger device A plunger device for unclogging a toilet drain includes a housing which is elongated and has a open first end and an open second end. A peripheral wall extends between the first and second ends. The first and second ends are generally circular. The first ...	06/18/2002
6389613	Pressure flush control system A pressure flush control system comprises a hose connected at one end to a water supply and an inflatable bag connected to the other end of the hose, so that water from the water supply flows through the hose and into the bag to inflate the bag after the ...	05/21/2002
6205594	Water pressure toilet plunger A toilet clearing device that produces a stream of pressurized water to break up and/or dislodge obstructions in the outlet duct of a toilet. The toilet clearing device is a conduit comprised of an inlet, a flexible section, a rigid handle section, a disl...	03/27/2001
6098212	Plumbing apparatus A kit for forming a plumbing apparatus for aiding in the snaking of drain pipes which kit includes a rubber cap having a cylindrical skirt, a circular clamp about the skirt, a snake rod receiving hole through the covered end of the cap and a flushing wate...	08/08/2000
6035455	Portable power plumbing plunger The portable power plunger is for unclogging blocked drains in sinks, toilets, bath tubs and the like. The plunger has a main body having a reciprocating pump with a removable attachment mounted at its outlet lower end which is adapted to cover intimately...	03/14/2000
6032301	Plunger A plunger includes an upper base, a pressure ball under the upper base, a correlative tubular shaft extending vertically through the pressure ball, a handle pivotally connected with an upper end of the correlative tubular shaft, a connecting rod connects ...	03/07/2000
5884842	Tank cleaning tool A tubular tank cleaning tool for use in an R.V. waste storage tank or the like is provided with a rotating nozzle affixed to a tubular body for connection at its opposite end to a conventional garden hose. The improvement includes a flexible section of th...	03/23/1999
5787516	Multi-purpose water pressure plunger A multi-purpose water pressure plunger is provided having a compressible cup defining an interior cavity and having a solid rubber upper portion with a top and a bottom. The cup has an outer wall which extends to form a barrel-like bottom with edges for p...	08/04/1998
5682620	Drain cable apparatus An improved drain cable apparatus (10) is provided which facilitates clearing of clogged drainpipes (16) while providing a way to readily determine whether the drainpipe (16) has been cleared, without the necessity of withdrawing the drain cable (70) from...	11/04/1997
5651147	Three-way trap elbow and cleanout system A three-way elbow for connection between a trap and a waste line is provided with a valved access ending in a plug. Removal of the plug allows attachment of a first end of a hose in its place. The second end of the hose is held above the water level of a ...	07/29/1997
5497514	Drain cleaning device Disclosed is a low cost, easy to use cleaning apparatus to unclog or clean drain pipes or other conduits by directing high pressure water into contact with any solids in the pipe comprising a spray nozzle mounted in the end of a flexible water supply tube...	03/12/1996
5344193	Sprinkler head water damage control device A cup shaped collector mounted at one end of an elongate telescopically adjustable pole defines a water receiving chamber for receiving and containing at least a portion of an open sprinkler head and collecting water discharged from the open head. An elon...	09/06/1994
5085244	Assembly for cleaning a drain conduit An assembly is disclosed for cleaning a drain conduit. The assembly includes first and second conduit sections that are communicably connected to respective upstream and downstream sections of the drain conduit. A valve, interconnected between the first a...	02/04/1992
5071035	System for transferring fluid from a container to a remote location A system for administering acid to a clogged drain, and the method of using the system. The system includes a coupling to which a container of the acid can be threadedly secured. The coupling includes a piercing nipple, which penetrates a seal on the acid...	12/10/1991
4555820	Drain pipe system A system for clearing clogged drain pipes comprising a drain pipe section either straight or P-trap, having a closeable side inlet adjacent the upstream end of the pipe, means to connect the side inlet to a source of pressurized water, an anti-backflow de...	12/03/1985
4551041	Vibration method for unplugging a slurry pipeline Method for unplugging a pipeline filled with fluid and solid material by blocking the pipeline below the plugged portion, injecting pressure pulses into the pipeline on both sides of the plugged portion until the plugged portion becomes fluidized and then...	11/05/1985
4321712	Degreasing apparatus A degreasing apparatus which utilizes hot water under pressure from a sink faucet to inject a degreasing solution directly into a blocked U-trap or downstream sewerage system. The degreasing apparatus consists of a small pipe elbow permanently affixed at ...	03/30/1982
4141090	Trap and drain flush out kit A device for flushing out a clogged drain of a household plumbing system; the device including a long flexible plastic tube which at one end is inserted into the drain and which at its other end is attached to a faucet, a plastic sleeve around the tube fo...	02/27/1979

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Class 4/255.04 - Connected to a source of external fluid under pressure