Class 285/134.1 - U-TYPE (E.G., RETURN BEND)

Subclass of Class 285 - Pipe joints or couplings
Definition: Subject matter comprising a pipe coupling having parallel
No. of patents: 25
Last issue date: 05/18/2010

Number	Title	Issue Date
7717474	Pipe coupling adaptor An adaptor for coupling pipes together that has a pair of spaced apart pipe members disposed parallel to each other, with each of pair of pipe members including an opening at a top and at a bottom for receiving an additional pipe, and a bridging member connecting th...	05/18/2010
7357048	Ball screw drive A ball screw drive comprising a spindle nut (2) that can be disposed on a spindle (1), said spindle nut (2) comprising on an inner periphery, a ball groove (3) that is arranged along a helix and defines a load-bearing channel (8) f...	04/15/2008
7254980	Gas supply tube and method of making same A metal gas-feed tube for a head air bag automotive vehicle has a sleeve formed on a bent end thereof to fit onto a connecting fitting of a gas generator. That sleeve is formed in part from an unbent region of the tube by pressing a mandrel into the end of the tube ...	08/14/2007
7254901	Washer/dryer plumbing connection and method A tailpiece has been provided that includes a tubular member, a washing machine connector, and a dryer drainage connector. The washing machine connector can receive a fluid discharge from a washing machine drain line and the dryer drainage connector can receive a fl...	08/14/2007
7210369	Ball screw drive In a ball screw drive comprising a spindle nut (2) that can be disposed on a spindle (1), said spindle nut (2) comprising on an inner periphery, a ball groove (3) that is arranged along a helix and defines a load-bearing channel (6...	05/01/2007
7185553	Screw feed apparatus A screw feed apparatus has a screw shaft having a screw groove formed on the outer peripheral surface thereof; a nut having a screw groove formed on the inner peripheral surface thereof opposed to the outer peripheral surface of the screw shaft; a large number of ro...	03/06/2007
7147252	Medical connector A connector for a respiratory assembly is provided. The connector includes a body that has a first end and a second end. The body has a passage disposed therethrough from the first end to the second end to allow for transport of fluids and objects through the body. ...	12/12/2006
7090180	Mounting assembly for a waste discharge line of a medical treatment apparatus A mounting assembly for a discharge conduit of a medical treatment device, such as a dialysis machine. The mounting assembly has a connector member detachably engageable with a discharge nozzle of a discharge conduit and a suction cup that can be mounted on a rim of...	08/15/2006
7004508	Flexible drain element A flexible drain element is used in place of a trap and has a section that is flexible with a stiffness that is selected to make clearing blockages easy and expeditious. ...	02/28/2006
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
6851722	Coupled circulation tube for ball screw unit A coupled circulation tube for a ball screw unit. The tube is formed on a planar surface at one side of the ball screw bearing, each tube joined to two circulation holes. Each circulation tube is formed by coupling two symmetrical rigid metallic half tubes at recess...	02/08/2005
6712400	Coupling member for use in fluid control apparatus and method of fabricating same A method for facilitating fabrication of a coupling member includes a first step of boring one of upwardly open, passageways, a communication passageway and an auxiliary passageway in a body block, a second step of inserting a closure member into the auxiliary passa...	03/30/2004
6588803	Extendible p-trap dishwasher waste port The present invention 10 discloses a p-trap 12 for commercial and residential plumbing systems wherein the p-trap 12 has an enlarged portion at 46 for receiving a drainpipe 20 and has a threaded port 22 to receive a pressure hose 16 for a dishwasher 14 wa...	07/08/2003
6557255	Method of constructing a transfer panel assembly A panel assembly for transferring fluids from one location to another comprises a panel structure with openings, a nozzle projecting through each opening and a sleeve affixed between the nozzle and its respective opening. Each nozzle includes a tubular po...	05/06/2003
6254143	Transfer panel assembly and method of construction A panel assembly for transferring fluids from one location to another comprises a panel structure with openings, a nozzle projecting through each opening and a sleeve affixed between the nozzle and its respective opening. Each nozzle includes a tubular po...	07/03/2001
6125891	Refractory u-bends and methods of manufacture A curved pipe segment, preferably a U-bend made from a silicon carbide-containing material having a body portion with an inner and outer surface, an inner bend circumference of curvature and an outer bend circumference, and an inlet end and an outlet end,...	10/03/2000
5944985	Reject 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 sink having a garbage disposer with its outlet connected by...	08/31/1999
5901731	Reverse osmosis drain coupling and method of installing A reverse osmosis drain coupling and a method of installing it in an existing drain pipe. The drain coupling includes one or more extremities made of flexible, resilient material so that the material can be rolled or folded back upon itself to shorten the...	05/11/1999
5058214	Drain trap apparatus An apparatus including a "U" shaped drain trap, wherein the drain trap includes an upper section and a lower section, the lower section pivotally mounted to the upper section utilizing a hinge mounting the lower section to the upper section at one end the...	10/22/1991
4986732	Steam turbine crossover piping with reduced turning losses In a steam turbine having a first turbine element adapted to receive a flow of steam for operating at a first predetermined pressure, the first turbine element including an exhaust protion, a second turbine element adapted to receive the flow of steam for...	01/22/1991
4728128	Connection assembly for joining two parts A connection assembly for joining two parts having confronting ends with a joint therebetween, particularly ceramic pipes, includes a dimensionally stable coupling member surrounding the joint and at least one of the two confronting ends of the two parts ...	03/01/1988
4335907	Meter connection apparatus Meter connection apparatus including a generally semicircular conduit portion with substantially parallel straight conduit portions extending from the ends of the semicircular conduit portion, the semicircular conduit portion having a radius which is a pl...	06/22/1982
4186798	Tubular cooled members of metallurgical furnace The tubular cooled members have straight pipes, each accommodating an insert aligned axially therewith and having a cross-section diminishing in the direction of the coolant flow in the pipe interior. These straight pipes are coupled in pairs by a bent co...	02/05/1980
3977706	Pipe elbow A pipe elbow or bend has a pair of adjacent straight pipe sections joined together on one side of a center line of each pipe section, and a wedge shaped insert of a segment of pipe of the same diameter joining the straight pipe sections on the other side ...	08/31/1976
3957289	Soldered joint and method The present invention relates to the making of an evaporator or condenser construction wherein ends of heat exchange tubes extending through heat exchange plates or fins are joined with return bend connectors. The ends of the tubes are provided with flare...	05/18/1976

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Class 285/134.1 - U-TYPE (E.G., RETURN BEND)