Class 4/680 - Drain and overflow

Subclass of Class 4 - Baths, closets, sinks, and spittoons
Definition: Subject matter wherein the apparatus empties water from
No. of patents: 39
Last issue date: 05/01/2012

Number	Title	Issue Date
8166584	Overflow assembly for bathtubs and the like An overflow system in the bathtub has an overflow port and has a drain pipe in connection with the overflow port. A threaded flange has a stub shoulder on one end which is fitted into a circular sleeve on the overflow port. The threaded flange has exterior threads o...	05/01/2012
8028357	Method and associated apparatus for assembling and testing a plumbing system A system is provided for enhancing the interconnectability of a bathtub to a plumbing system. More specifically, provided is a flexible conduit and an overflow assembly that allows for a portion of the overflow assembly to be easily located with the wall of a bathtu...	10/04/2011
7392553	Overflow drain assembly for sanitary vessels The present invention provides an overflow drain assembly for a sanitary vessel, wherein the vessel includes a bottom surface and at least one side surface depending therefrom, such that the surfaces together define a reservoir for receipt and storage of fluid there...	07/01/2008
7350825	Wall-mounted elbow duct A wall-mounted elbow duct and particularly to a wall-mounted elbow duct to connect a wall-mounted water discharge pipe to a hand-held shower head mainly includes an elbow duct which houses a reverse checking mechanism and a coupler and a coupling cap. By means of th...	04/01/2008
7237280	Tub overflow assembly An overflow assembly employs an overflow elbow having an externally threaded cylindrical fitting that extends through the tub overflow opening. An internally threaded retainer nut with integrally molded test cap is threadably engaged over the overflow elbow cylindri...	07/03/2007
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
7127752	Overflow assembly for bathtubs and the like An overflow system in the bathtub has an overflow port and has a drain pipe in connection with the overflow port. A threaded flange has a stub shoulder on one end which is fitted into a circular sleeve on the overflow port. The threaded flange has exterior threads o...	10/31/2006
7017199	Plumbing fitting cover cap retention A plumbing fitting attachable to a wall that defines an opening, comprising a tubular part sized to project through an opening, there being grooving associated with the part; a cover extending in registration with the grooving; and a retainer caused by the cover and...	03/28/2006
7007319	Overflow device for bathtub An overflow device for a bathtub with an overflow inlet arranged for mounting in a conventional overflow hole of the bathtub and a valve connected between a water supply and a conventional bath tap. A spring can be used to change the valve from its open state to its...	03/07/2006
6925964	Pet drain and capture device An apparatus (10) and a device (30) are provided for catching pet hair during the process of bathing a pet in a bathtub (12) or sink-like structure. Typically the apparatus (10) is comprised of a net (18) having a selected mesh siz...	08/09/2005
6901611	Bathtub wastewater head fitting A head fitting for a bathtub waste water drainage system is disclosed. The head fitting simplifies leak testing in bathtub waste water drainage system and eliminates the need for a separate test cap and fastening hardware for leak testing. The head fitting includes ...	06/07/2005
6886193	Bath waste A bath waste 10 is described including an overflow head 12 having an inlet, and an outlet portion 16 connectable to a down pipe 18, the head 12 and the outlet 16 being connected by a ball and socket joint 34. The join...	05/03/2005
6859956	P-trap for plumbing drainage systems A P-trap device for plumbing drainage systems is shown. The device has a first tubing element having a pipe attachment bell at one end and a first coupler portion at the other end and a second tubing element having a pipe attachment bell at one end and a second coup...	03/01/2005
6823540	Automatically releasing bathtub overflow stopper A device for blocking or impeding the flow of water through the overflow drain of a bathtub of the type including a wall, an overflow drain opening in the wall, and a generally circular cover plate over the overflow drain opening, the cover plate having an annular s...	11/30/2004
6681420	Method and apparatus for installing a bathtub assembly An apparatus and method for installing a bathtub assembly where an overflow assembly secured to an overflow port of a bathtub and a drain assembly secured to a drain port of a bathtub are adhesively secured to a T-section by use of an overflow hub and dra...	01/27/2004
6637050	Overflow assembly for bathtubs and the like A one-piece overflow fitting is provided for a bathtub having a one piece overflow pipe. The one piece overflow pipe has an inverted L-shape having an elbow portion defining an upper end portion and a lower end portion. The upper end portion has an outer ...	10/28/2003
6546573	Drain cover assembly A drain cover assembly with a hollow conduit member with an open end that penetrates and extends through a drain port of a bathtub, and a drain cover with a center opening, a horizontal flange, and an integral sleeve that extends into the open end of the ...	04/15/2003
6467105	Drain stopper to soak feet in a tub and shower A drain stopper to soak feet in a tub and shower for soaking one's feet while taking a shower. The drain stopper to soak feet in a tub and shower includes a main tubular member having open top and bottom ends and a bore extending therethrough for removabl...	10/22/2002
6345398	Drain plug with a central drainage aperture for a bathtub A drain plug with a central drainage aperture for a bath tub including a plug insert dimensioned for positioning within the water drain of the bath tub. The plug insert has an conduit extending between its wide upper end and the narrow lower end. A plug c...	02/12/2002
6295664	Tub overflow waste assembly A tub waste overflow assembly that is attachable to a tub wall by means of a threaded retaining body insertable through an overflow drain aperture in a tub wall to engage a cooperatively threaded pipe fitting on the opposite side of the tub wall. The reta...	10/02/2001
6289532	Tub overflow waste assembly A tub waste overflow assembly that is attachable to a tub wall by means of a threaded retaining body insertable through an overflow drain aperture in a tub wall to engage a cooperatively threaded pipe fitting on the opposite side of the tub wall. A chamfe...	09/18/2001
6272699	Overflow drain insert A method and apparatus for modifying a bathtub overflow drain to bypass potential leakage zones, i.e. between a bathtub liner and between connections of fittings through inserting a throat member from the innermost surface of the bathtub, which may be the...	08/14/2001
6216288	Seal for bathtub overflow drain A sealing member is provided for a bathtub. A conventional plate is coupled to the wall of a bathtub and covers a drain opening formed therein. The plate is continuous except for an overflow opening which accommodates the free flow of water from the batht...	04/17/2001
6192531	Tub overflow waste assembly A tub waste overflow assembly is provided that is attachable to a tub wall by means of a threaded retaining body insertable through an overflow drain aperture in a tub wall to engage a cooperatively threaded pipe fitting on the opposite side of the tub wa...	02/27/2001
6173459	Control for a bathtub waste water drain A control for a waste water drain in the bottom of a bathtub which has an overflow port above the drain in the end wall of the bathtub has a vertical drain pipe having upper and lower ends. A first fluid port is located at the upper end of the vertical dr...	01/16/2001
6058525	Waste and overflow fittings A multi-piece waste and overflow unit is used with a bathtub to remove waste water via the overflow drain hole, bottom drain hole, or both holes of the bathtub. The multi-piece waste and overflow unit includes a bottom connector and overflow connector. Bo...	05/09/2000
5953772	Sink station and method A sink station system and method for accumulating and holding fluids and solid sediments. The sink station system incorporates a drain pipe serving to draw fluid out of a dental sink. The fluid flows down the drain pipe and into a fluid trap. As the sink ...	09/21/1999
5771507	Extendible drain closure device An extendible drain closure device has a plurality of telescoped hollow tubular members. The outermost hollow tubular member is a main body which has a base portion sized to seat down into a drain opening and an upper flange having a recessed portion. The...	06/30/1998
5333327	Apparatus for opening and closing a drain Disclosed herein is a mechanism for remotely opening and closing a drain of a basin by means of a flexible rod moving through a non-linear tube. The rod connects a drive member, pushed or pulled by a user, with a member linked to a plug which opens and cl...	08/02/1994
5179740	Encapsulated overflow system for sinks and the like An encapsulated overflow system for use in a sink to interconnect the overflow opening and the drain opening. The system including a tube, an overflow opening adapter and a drain opening adapter. The tube includes an internal supporting rib which prevents...	01/19/1993
4945579	Drain valve activator assembly A drain valve activator assembly for a container such as a bathtub is disclosed. In one embodiment, there is an overflow plate mountable on a side wall of the tub at the overflow outlet. A stem is positioned through the plate so as to rotate on its own lo...	08/07/1990
4594738	Drain and overflow device for bathtubs A drain and overflow device for bathtubs having overflows at different heights and various slopes. By rotation of a turning knob (6) adjacent the overflow housing (15), the body (8) of the drain valve (1) can be raised and lowered by means of a Bowden dra...	06/17/1986
4164049	Vacuum-type water removal system for houses, factories, ships and the like A vacuum-type water removal system for buildings, factories, ships and the like is provided wherein waste water collection devices, such as sanitary facilities (e.g., toilets) and other waste producing/or collecting devices, are connected through a cut-of...	08/14/1979
4135260	Rinse sink skimmer A rinse sink skimmer having a stopper portion to be positioned over a drain opening in the lower portion of a rinse sink and a skimmer device with a lip and a hanger to suspend it from the sink wall and wherein a tubular portion connects the skimmer to th...	01/23/1979
4111037	Bathtub drain and overflow testing apparatus A testing apparatus includes a tubular portion, and a lateral generally trough-shaped portion, the apparatus being positionable so that the bottom of the tubular portion bears on the tub about the drain outlet, with the extended end of the lateral portion...	09/05/1978
4106133	Contamination prevention device for sitz bath Cross-contamination of the patients using the same sitz bath in a health-care institution is precluded by lining the bath with a disposable sheet of biologically-clean, flexible plastic film, thereby establishing a physical barrier to prevent any contact ...	08/15/1978
4089230	Waste and overflow plate assembly A waste and overflow plate assembly for a lavatory drain includes a plate with an aperture therethrough and a lever toggled in the face plate aperture. A U-shaped spring clip is retained by a securing pin on the back portion of the lever member between th...	05/16/1978
4077430	Standpipe adapter for sink drains of varied diameter An adapter for sink drains of varied diameter, with a double seal positioning a standpipe perpendicularly with respect to the sink bottom, there being an upper seal supportably stopped upon the sink bottom or drain flange, and there being a lower seal dep...	03/07/1978

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Class 4/680 - Drain and overflow