Assignee: Nibco Inc.

Location: Elkhart, IN
No. of patents: 45

Number	Title	Issue Date
8113550	Connection with tail piece for a press-fitting An adapter integrates a tail piece and connection for coupling to plumbing fittings utilizing a union nut or flange and provides a press-fit connection to the tail piece for installation in the system. The method of manufacturing the adapter comprises the steps of f...	02/14/2012
8052099	Sway brace fitting A versatile sway brace fitting, includes a pair of spaced jaws, for firmly and deformingly gripping a brace, and a method for manufacturing the fitting. The fitting can withstand substantial loads and is adaptable to receive a variety of braces such as bracing pipes...	11/08/2011
7887248	Swivel attachment and branch line restraint A swivel attachment and/or branch line restraint device with angular versatility and mobility for facilitating connection of installation components to support a pipe or other load relative to a support surface is provided. Advantageously, embodiments of the device ...	02/15/2011
7832248	Hanger for fire sprinkler pipe A one-piece hanger is formed with a pair of spaced segments or legs joined by an end wall. Each segment has a recess formed in an edge which is open towards the recess on an edge of the opposite segment. The two recesses are aligned so as to create a substantially f...	11/16/2010
7669806	Sway brace fitting A versatile sway brace fitting, includes a pair of spaced jaws, for firmly and deformingly gripping a brace, and a method for manufacturing the fitting. The fitting can withstand substantial loads and is adaptable to receive a variety of braces such as bracing pipes...	03/02/2010
7654043	Retrofit attachment yoke The invention relates to a retrofit connector for fast attachment to an existing system that supports a suspended load below a ceiling, beam or floor without the need to disassemble or disconnect any components of the system. Advantageously, the connector is easy to...	02/02/2010
7506665	Ball valve with interlocking stem A ball valve has a ball with resilient, opposed facing spaced-apart locking arms which engage a stem having outwardly projecting flanges to allow the stem to be inserted externally into the valve body and locked to the opposed locking arms of the ball. In one embodi...	03/24/2009
7455268	Hanger for fire sprinkler pipe A one-piece hanger is formed with a pair of spaced segments or legs joined by an end wall. Each segment has a recess formed in an edge which is open towards the recess on an edge of the opposite segment. The two recesses are aligned so as to create a substantially f...	11/25/2008
7441730	Sway brace fitting A versatile sway brace fitting, includes a pair of spaced jaws, for firmly and deformingly gripping a brace, and a method for manufacturing the fitting. The fitting can withstand substantial loads and is adaptable to receive a variety of braces such as bracing pipes...	10/28/2008
7306010	Ball valve with snap-in stem A ball valve has a ball with resilient, opposed facing spaced-apart locking arms which engage a stem having outwardly projecting flanges to allow the stem to be inserted externally into the valve body and snap-locked to the resilient opposed locking arms of the ball...	12/11/2007
6584894	Method and apparatus for marking items of varied shapes A method is provided for marking items by orienting the items so that ink may be printed on the desired area of the items. The items are fed to a printing station and ink of a first color is printed on the items and then dried. The ink is then cured by pr...	07/01/2003
6286765	Pop-up spray head irrigation system uniformity enhancement apparatus and method A method and apparatus provides a controlled, continuous up-and-down motion of a pop-up sprinkler head device during an irrigation period to approximate a modified sine wave output from the pop-up sprinkler device assuring uniform coverage of an area to b...	09/11/2001
6216737	Flanged three-way universal butterfly valve A valve housing has three ports with butterfly valves mounted in two of the ports with stems coupled to the valve disks and extending through opposite sides of the housing. A linkage couples the valve stems together at one side of the housing, while an ac...	04/17/2001
6161776	Multi-layered, porous mat turf irrigation apparatus and method A turf irrigation distribution and reservoir product and method ecosystem employing a substantially continuous mat on the soil surface on which turf is placed or produced, the mat having a primary, lateral water distribution structure which distributes wa...	12/19/2000
5984202	Hybrid low flow and spray irrigation apparatus and method An apparatus providing low volume irrigation from a previously installed sprinkler irrigation system including one or more sprinkler heads connected to a water supply conduit. The apparatus includes a manifold (50) having a water distribution passage (34)...	11/16/1999
5943957	Method and device for in-mold pad printing A method and apparatus are provided for pad printing inked images onto injection-molded pieces, while they are still in the mold, using a robotics device and an ink transfer mechanism....	08/31/1999
5882141	Low energy precision flooding irrigation apparatus and method An irrigation conduit (10) includes a plurality of emitters (11) spaced apart along its length. A conveyance channel (12) is connected to each emitter (11) and is long enough so that a distal end (14) of the conveyance channel (12) may be positioned at or...	03/16/1999
5829687	Independently variable ARC low-flow spray head apparatus and method An irrigation spray head includes a plurality of orifices each for directing irrigation water in a substantially continuous stream to an impact location within an area around the spray head to be irrigated. Each orifice has associated with it a mechanism ...	11/03/1998
5785074	Vented ball valve with lock-out ring The present invention relates to a ball valve with a shear stem which can be utilized in combination with a conventional ball valve or vented ball valve. The ball valve with a shear stem is utilized with a conventional ball valve or a vented valve assembl...	07/28/1998
5786054	Inductive welding of thermoplastic pipe Forming a novel double containment polymeric piping assembly by interfitting slidably interfittable polymeric inner pipe components, including a first induction responsive layer therebetween, and slidably interfittable polymeric outer pipe components, pre...	07/28/1998
5775365	Flood protection sewer backflow control valve and adapter assembly The present invention relates to a basement sewer backflow control valve with adapter. A valve such as a ball valve is positioned a sewer line under the floor of a basement with an adapter extending vertically through the basement floor providing a means ...	07/07/1998
5740831	Frostproof hydrant seal A sillcock which has freeze resistance, backflow contamination resistance and back pressure release from the downstream water, having a resilient, radially compressible and expandable back pressure seal valve which is also axially movable a controlled amo...	04/21/1998
5716004	Retractable irrigation apparatus and method An irrigation apparatus (10) includes a conduit housing (14) with at least one elongated, flexible irrigation conduit (12) received in a retracted position therein. A water supply arrangement associated with the conduit housing (14) allows water to be sup...	02/10/1998
5613802	Apparatus for deploying a work object A method for deploying a work object, connected to a control system by an elongated, substantially flexible conduit, relative to a target, the method including the steps of substantially burying the work object in the earth in a predetermined position rel...	03/25/1997
5577531	Flood protection sewer backflow control valve and adapter assembly The present invention relates to a basement sewer backflow control valve with adapter. A valve such as a ball valve is positioned a sewer line under the floor of a basement with an adapter extending vertically through the basement floor providing a means ...	11/26/1996
5524674	Inductive welding of thermoplastic pipe Forming a novel double containment polymeric piping assembly by interfitting slidably interfittable polymeric inner pipe components, including a first induction responsive layer therebetween, and slidably interfittable polymeric outer pipe components, pre...	06/11/1996
5509441	Reaction injection molded valve A mold and method of forming a butterfly valve and the novel valve formed. The disclosure includes providing a valve skeleton having a body portion, a hollow neck extending from the body portion to receive a valve stem and a cruciform-shaped actuator plat...	04/23/1996
5503192	Inductive welding of thermoplastic pipe Forming a novel double containment polymeric piping assembly by interfitting slidably interfittable polymeric inner pipe components, including a first induction responsive layer therebetween, and slidably interfittable polymeric outer pipe components, pre...	04/02/1996
5503544	Mold for reaction injection molding of a valve A mold and method of forming a butterfly valve and the novel valve formed. The disclosure includes providing a valve skeleton having a body portion, a hollow neck extending from the body portion to receive a valve stem and a cruciform-shaped actuator plat...	04/02/1996
5493887	Cold header pierced valve stem A method of cold forming a plumbing and heating valve stem by providing a cylindrical blank workpiece, axially stamping the workpiece to circumferentially reduce and axially lengthen a portion of the workpiece, axially stamping the circumferentially large...	02/27/1996
5427135	Valve lock The present invention relates to a vented ball valve and lockout ring assembly. A vented valve assembly including a valve body having a vent hole therein, and first and second flow-through ends with a valve member receiving chamber thereinbetween, and a s...	06/27/1995
5409654	Method of reaction injection molding a valve A mold and method of forming a butterfly valve and the novel valve formed. The concept includes providing a valve skeleton having a body portion, a hollow neck extending from the body portion to receive a valve stem and a cruciform-shaped actuator plate p...	04/25/1995
5398973	Double containment pipe support retainer A containment pipe fitting subassembly of a containment fitting, having open end sockets of a radius to slidingly receive ends of containment pipes, a carrier fitting having open end sockets of a radius to slidingly receive ends of carrier pipes, the carr...	03/21/1995
5360036	Vented ball valve with lock-out ring The present invention relates to a vented ball valve and lockout ring assembly. A vented valve assembly including a valve body having a vent hole therein, and first and second flow-through ends with a valve member receiving chamber thereinbetween, and a s...	11/01/1994
5343191	Pipeline leak detection system A system for detecting leaks in a pipeline includes an outer containment pipe or jacket surrounding a pipe and defining an interstitial space therewith. A plurality of zone fittings are disposed within the containment pipe or jacket to divide the intersti...	08/30/1994
4740347	Method of aligning and fixing valve components during valve assembly The invention provides a means whereby a body such as that of a butterfly valve can be prepared with minimal machining. The manufacture of a butterfly valve is described in which the stem openings for the valve are left in their as-cast condition, the ste...	04/26/1988
4514244	Plastic pipe elements and methods for making same A plastic pipe element comprises an inner one-piece liner of thermoplastic material. The liner is formed so as to include at least one cylindrical leg having a free outer end and inner end disposed intermediate opposite ends of the liner. At least one pip...	04/30/1985
4488573	Apparatus for preventing thermal damage to a preformed plug during molding of a housing therearound A rotary plug valve which is of the type comprising a housing formed of a polymer and a rotary plug disposed in a through-passage of the housing. The plug is formed of a polymer and includes a bore selectively alignable with the through-passage to admit t...	12/18/1984
4457542	Plastic pipe fitting A plastic pipe element comprises an inner one-piece liner of thermoplastic material. The liner is formed so as to include at least one cylindrical leg having a free outer end and inner end disposed intermediate opposite ends of the liner. At least one pip...	07/03/1984
4449694	Blocked ball valve The present invention relates to a ball valve having a housing with an axial passage way through the housing providing fluid communication between first and second ends of the housing. A rotatable ball is arranged within the axial passageway for selective...	05/22/1984

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Assignee: Nibco Inc.