Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 8157295 | Articulating joint with injector port A pipe coupling connects two fluid system components, such as two pipes, so that fluid can flow therethrough. The coupling is a ball and socket type articulating joint that is configured to allow one or both of the connected pipes to move relative to one another wit... | 04/17/2012 |
| 7320484 | Plug-in safety coupling A plug-in safety coupling for pressurized conduits includes a blocking element, which is mounted in a coupling housing; the blocking element includes a through bore in which a coupling plug may be introduced in a sealing manner. A pivot path of the coupling housing ... | 01/22/2008 |
| 7198303 | Exhaust pipe joint and seal Compressed wire filament(s) form a seal that seals the joint between first and second pipes of an automotive exhaust system secured by bolted together first and second flanges. The seal is initially attached to the first pipe and first flange in an intermediate asse... | 04/03/2007 |
| 7188869 | Scuba regulator connector using a sealed ball swivel A ball and socket-type swivel connector for use with second stage regulators used by scuba divers. The ball is made from a metal with good corrosion resistance. The ball is then held into a true position by two separate low friction bushings. The two bushings, “sa... | 03/13/2007 |
| 7165635 | Deflection swivel and method A deflectable in-line swivel that permits axial deflection of a tubular string is presented. The in-line swivel is preferably constructed as a ball and socket design whereby the ball of a swivel mandrel is permitted to articulate within a socket of a retainer sub. T... | 01/23/2007 |
| 7127912 | Multi-chambered container with collared O-ring A modified multi-chambered container including a container body defining a central (e.g., liquid) chamber, a neck defining an opening to the central chamber, a flange extending upward from the neck, and a groove formed in the neck around the first opening. A collare... | 10/31/2006 |
| 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 |
| 6746056 | Fluid coupling device A fluid coupling device employs a male spherical member with a fluid receiving bore and a female housing. The spherical member abuts two axially spaced Teflon ring seats between the member and the housing in the housing chamber. The ring seats reduce friction betwee... | 06/08/2004 |
| 6705647 | Fluid coupling device A fluid coupling device employs a male spherical member with a fluid receiving bore and a female housing. The spherical member abuts two axially spaced Teflon ring seats between the member and the housing in the housing chamber. The ring seats reduce friction betwee... | 03/16/2004 |
| 6698800 | Remote connector including support structure An articulating connector system including an active connector coupled to a first line and a hub assembly coupled to a second line. The active connector includes a swivel coupling element intermediate a grip and a ball nose to allow rotational and articul... | 03/02/2004 |
| 6536809 | Pivoting sleeve assembly A pivoting sleeve assembly for aligning a fluid delivery device perpendicular to a mounting surface when the fluid delivery device is mounted to a wall, the pivoting sleeve assembly made up of a fluid delivery device housed within a sleeve, the sleeve hav... | 03/25/2003 |
| 6279965 | Pipe joint A pipe joint is provided whereby fluid pipelines, such as exhaust pipes, or the like, can be connected hermetically, in such a manner that the relative angle therebetween can vary, while ensuring satisfactory manufacturing precision of the sealing surface... | 08/28/2001 |
| 6158781 | Pipeline swivel coupling A swivel coupling for connecting misaligned pipe sections, the swivel coupling having a socket member with an integral flange, a ball member which mates with the socket member and a ball swivel flange which holds the ball member in contact with the socket... | 12/12/2000 |
| 5772254 | Modular joint, with a replaceable sealing sleeve A fluid-tight modular joint is disclosed having various replaceable parts for refurbishing the joint after certain parts wear out. Specifically, the modular joint has a pair of sealing assemblies interconnected by a tubular sealing member which permits an... | 06/30/1998 |
| 5584511 | Multi-degree-of-freedom expansion joint An expansion joint includes a pair of tubular fittings joined together by a bellows for accommodating differential movement therebetween. The fittings include balls at respective distal ends thereof which engage complementary sockets fixedly joined to opp... | 12/17/1996 |
| 5507534 | Hydraulic ball style swivel fitting A fitting (10) for dispensing fluids, such as hot melt adhesives, includes a swivel member (12) and a housing (14). The swivel member (12) has a ball (16) at one end which is received within a socket (22) of the housing (14). The swivel member (12) has a ... | 04/16/1996 |
| 5393108 | Spherical exhaust flange gasket with interference fit A gasket for use on a exhaust connection between an exhaust manifold and an exhaust pipe includes a spherical sealing portion which mates with sealing portions on both the exhaust manifold and the exhaust pipe. The spherical-to-spherical-to-spherical cont... | 02/28/1995 |
| 5149147 | Conduit coupling for high temperature, high pressure applications Conduit couplings for high temperature, high pressure applications with up to 10° misalignment capability are provided. The couplings provide a tight seal without special machining or assembly methods. The coupling comprises a spherical ball that fits wi... | 09/22/1992 |
| 5141259 | Flexible connector A flexible connector has a plurality of bearings housed in a single housing to attenuate vibration and noise. In one embodiment, the bearings have a spherical configuration with the center point of the spherical segment of one of the bearings at a differe... | 08/25/1992 |
| 5129681 | Method of rendering laid pipeline flexible and pipe joint suited for executing this method A method of rendering an existing pipeline flexible, by cutting out an intermediate portion of a pipe in a ring form, inserting a pipe joint into a cutout position, and connecting the pipe joint to the pipe. The pipe joint used in this method includes a p... | 07/14/1992 |
| 4840410 | Apparatus for making a swiveled flow line connection A swivel flow line connector is disclosed for use in misaligned connections. The connector includes male and female flange tubular members and a seal ring positioned therebetween. The male member and the seal ring have mating annular spherical surfaces wh... | 06/20/1989 |
| 4840409 | Swivel flow line connector A swivel flow line connector is disclosed for use in misaligned connections. The connector includes male and female flanged tubular members and a seal ring positioned therebetween. The male member and the seal ring have mating annular spherical surfaces w... | 06/20/1989 |
| 4779901 | Sealed rigid pipe joint A joint for rigidly coupling first and second pipes having high temperature fluid flowing therethrough. The joint comprises first and second annular members including mating spherical segments which are rigidly coupled, respectively, to the pipes; a coupl... | 10/25/1988 |
| 4717078 | Eyeball fitting for increasing flow of return water to swimming pool An eyeball fitting 10 for directing return water into a swimming pool has an eyeball 20 with a smooth and even inside surface 25 curving continuously from an entrance opening 26 to a discharge opening 21 having a sharp edge 22. The curvature of inside sur... | 01/05/1988 |
| 4647084 | Pipe connection The invention relates to a fluid tight pipe connection having an intermediate ring between the two pipe ends. By making the two surfaces of the ring complementary to the pipe end faces the ring may be displaced in relation to one pipe end and may be moved... | 03/03/1987 |
| 4615802 | Pool vacuum cleaning system The improved system includes a poolside vacuum-generating machine having a vacuum-generating power source, filter, waste disposal means and a passageway through the casing; a lead weighted vacuum head which may be flexible and is adapted to sit on a pool ... | 10/07/1986 |
| 4596406 | Quick change ball hitch apparatus A ball hitch connector (10) for use with a conventional ball hitch socket (21). A ball hitch connector (10) includes a spherical body or ball connector (12), a support base (14) for supporting the spherical body (12) on a tow bar (18) or the like, a faste... | 06/24/1986 |
| 4553775 | Resilient annular seal with supporting liner A fluid-tight sealing apparatus with a protective liner for sealing a pair of tubes having high temperature and pressure fluid flowing therethrough. The apparatus comprises an inner tubular surface coupled to the first tube and a sealing assembly coupled ... | 11/19/1985 |
| 4433854 | Interchangeable ball hitch The interchangeable ball hitch connector apparatus of this invention includes a generally spherical ball connector adapted to engage a conventional ball hitch socket, a support base adapted for fastening on the tow bar of a vehicle for supporting the ball... | 02/28/1984 |
| 4221336 | Nozzle with directionally variable outlet An angularly adjustable liquid outlet nozzle for directing a stream of fluid under pressure into a body of fluid has a unitary body with an inlet opening at one end communicating with a mixing chamber through a venturi air inlet, and an outlet opening at ... | 09/09/1980 |
| 4154551 | Flow-through swivel pipe joint A high pressure flow-through swivel joint is particularly adapted for connecting high pressure water lines to a jet sled in an underwater pipe burying apparatus. The joint includes mating spherical joint surfaces which allow pivotal adjustment during asse... | 05/15/1979 |
| 4139221 | Ball and socket joint A ball and socket joint comprising a member having forward facing and rear facing spherical surface portions, a collar engaged about the member and having internal surface portions mating with the spherical surface portions of the member, a socket into wh... | 02/13/1979 |
| 3985303 | Hydromassage device with directional jet control A hydromassage device for use in jetting air and pressurized water into a pool of water and including eyeball means readily adjustable at the user's option to direct the issuing jet in different directions. Existing non-adjustable hydromassage devices can... | 10/12/1976 |
| 3951418 | Moving captive seal construction usable under high temperature and cryogenic conditions A captive sealing assembly including a sealing mass of deformable material and first and second retainers on opposite sides of the sealing mass. The sealing assembly is adapted for use in a seal groove at least partially defined by first and second surfac... | 04/20/1976 |
| 3931992 | Universal joint connector A connector construction employs a tail piece having a ball end, a socket element having a distendable end adapted to be snapped over said ball end and a coupling nut adapted to house the ball end and socket while threadedly engaging a pipe distal end to ... | 01/13/1976 |
