Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7357424 | Plastic guard for airbrake tubing and coils A moldable plastic guard for use in a protective guard for a conduit such as a hoses, tubing, wire, cable, and fiber optics. The guard is receivable over the surface of the conduit and is attached to a nut. The nut may be used to join the end of the conduit to a fit... | 04/15/2008 |
| 7322382 | Segment for a rehabilitating pipe A segment for a rehabilitating pipe is coupled to another segment in the circumferential and longitudinal directions of a rehabilitating pipe to rehabilitate an existing pipe. The segment has on one coupling surface a protruding part and a recessed part continuous w... | 01/29/2008 |
| 7316269 | Enclosed radial wire-line cable conveying method and apparatus A relatively light weight radial wire-line conveyance mechanism capable of sustained high pressure incorporated into a wire-line riser set-up and configured to allow multiple radial bends without sheaves. The conveyance mechanism includes a segmented tubular body st... | 01/08/2008 |
| 7303359 | Pipe reinforcement system and method A pipe reinforcement system for reinforcing a pipe including a pipe section having an inner and an outer elbow surface separated by a pipe opening with a plurality of ceramic tiles overlying the pipe section, each of said tiles having a generally arcuate inner surfa... | 12/04/2007 |
| 7300074 | Elbow fitting with step feature for pneumatic transport system An elbow fitting is used in a pneumatic product conveying system in which the fitting expands from the inlet pipe along the outer side of the elbow fitting to enable a layer of accumulated product particles to be formed so as to move at a lower velocity than the vel... | 11/27/2007 |
| 7270350 | Quick-connecting coupler for hoses, pipes and faucets A quick-connecting coupler for connecting hoses, connectors together or to a faucet or other water accessories that allows ease of use by anyone, including the elderly, the infirm, and those suffering from disabilities. The quick-connecting coupler has a first male-... | 09/18/2007 |
| 7270348 | Releasable connector including swivel A connector for releasably attaching a pair of conduits includes male and female components having proximal and distal ends and a lumen, and a swivel connection releasably connecting the male and female components. The swivel connection permits fluid communication b... | 09/18/2007 |
| 7246825 | Erosion-indicating safety fitting An erosion-indicating safety fitting having a fluid passage formed within for connection in-line with a pipe and a cage of interconnecting breach passages formed into the block and surrounding the fluid passage, particularly at areas having a predicted risk of erosi... | 07/24/2007 |
| 7195290 | Apparatus for a fire-rated duct A duct system comprising duct sections which are factory manufactured and field modifiable. The field modifiable duct system comprises fire resistant materials and is fire-rated. The duct sections when assembled create a continuous conduit that allows air to flow fr... | 03/27/2007 |
| 7163028 | Multipurpose plumbing tool A multipurpose plumbing tool has a body at one end, a head at an opposite end and an intermediate neck portion connecting the body and head. The marginal end portion of the body is cut back to form a reduced section, a shoulder being formed at the junction of the re... | 01/16/2007 |
| 7111876 | Flange A split flange is provided. The split flange may be capable of being fitted firmly around the pipe having a flexible pipe body and a flared portion formed at an end portion of the pipe body. The split flange is provided with two or more arcuate flange members and tw... | 09/26/2006 |
| 7108294 | Composite pipe assembly and components A plastic coupling for joining two metal pipe sections end-to-end to form a pipe assembly. A first plastic spigot cuff is formed along the periphery of the end of the first pipe and a mating second plastic bell cuff is formed along the periphery of the end of the se... | 09/19/2006 |
| 7083204 | Composite metal pipe coupling and assembly A coupling for joining metal pipes or pipe sections end-to-end to form a pipe assembly. A plastic cuff is formed on one of the pipe ends and a mating, second plastic cuff is formed on the other pipe end. In one embodiment, a wire hoop is mounted over each pipe end, ... | 08/01/2006 |
| 7028788 | Wear sleeve Wear sleeve for a drill pipe coupling (10), where a sleeve (18) is arranged in a drill pipe coupling on one of the two adjoining, coupled together drill pipes (12, 14) in a drill string, where the sleeve has an outer diameter that is larger than... | 04/18/2006 |
| 7021675 | Swivel assembly A swivel assembly for use with a water gun mounted on a base or coupled to a water supply conduit to discharge a high velocity stream of water into a mineral stockpile and slurry pit, the swivel assembly comprises a stationary swivel section and a rotatably swivel s... | 04/04/2006 |
| 6994117 | Piping elbow liners Liners useful as piping elbow liners comprising a body liner, a tangential inlet liner, and a tangential outlet liner. The tangential inlet liner and the tangential outlet liner can be removably inserted into a cavity in the body liner. The body liner can comprise t... | 02/07/2006 |
| 6979025 | Joining of lined pipes A metal pipeline section that has a metal flange at one end is lined with a plastic liner such that some of the liner extends beyond the flange end of the pipeline section. An annular plastic member is electrofusion joined onto the outside of the portion of plastic ... | 12/27/2005 |
| 6976710 | Method and device for repair and replacement of pipe broken at a junction A method and device for repair and replacement of pipe broken at a junction. The device includes a coupler having a female end and a male end. The female end of the coupler has an inside diameter that will accept snugly the removed end of the broken pipe. The male e... | 12/20/2005 |
| 6962434 | Liner wear detection Methods and apparatus for detecting wear in a liner. In one embodiment of the present invention, an electrically conductive wire is placed on or near the outside surface of the liner and the electrical resistance in the electrically conductive wire is measured to de... | 11/08/2005 |
| 6957832 | Elongate member with interconnected rotatable portions An elongate member (10) is provided having a first elongate portion (12), a second elongate portion (14) and an interconnecting joint (16). The interconnecting joint (16) is disposed at an acute angle to the first elongate portion ... | 10/25/2005 |
| 6951354 | Elbow fitting for pneumatic transport system An elbow fitting for use in a pneumatic product conveying system expands from the inlet pipe along the outer side of the elbow fitting and contracts along the outer side of the fitting toward the outlet pipe for guiding product particles into the outlet pipe. The ex... | 10/04/2005 |
| 6901698 | Irrigation device and system The present invention is directed to an irrigation device and irrigation system. More specifically, the present invention is directed to a weep or tear type irrigation device and irrigation system. ... | 06/07/2005 |
| 6799608 | Bent pipe and a method for preparing thereof There is an object to provide a technique of forming a proper abrasion resistance layer by a thermal spraying and fusing of a self fluxing alloy. The object may be solved by cutting the pipe body along a curved face that is perpendicular to a plane including ... | 10/05/2004 |
| 6758499 | System and method for repairing a conduit A system and method for making a repair to a damaged section of a conduit includes a pair of couplers, which securely mate, with undamaged sections of the conduit, which straddle the damaged section of the conduit; and a bridging duct, which replaces the damaged sec... | 07/06/2004 |
| 6543811 | Pipe flange assembly An erosion resistant pipe flange assembly for preventing erosion of metal pipe flanges connecting two joints of pipe. The erosion resistant pipe flange assembly includes a flange section, a reducer section integrally formed with said flange section, and a... | 04/08/2003 |
| 6467812 | Pipe having replaceable wear resistant lined coupler A pipe section for concrete includes an end coupler interconnecting to another pipe section in a flow line. The coupler has an outer clamp secured extended from the pipe end with a coupling groove. An encircling clamp has sides located in the grooves of a... | 10/22/2002 |
| 6086109 | Conveying pipe A conveying pipe for hydraulically transporting solids, such as sand, gravel or also concrete is composed of a straight or curved pipe portion and of coupling flanges at the ends of the pipe portion, wherein the coupling flanges protrude radially above th... | 07/11/2000 |
| 5947528 | Pipe flange assembly An erosion resistant pipe flange assembly and a method for preventing erosion of metal pipe flanges connecting larger diameter pipe to smaller diameter pipe. The erosion resistant pipe flange assembly includes a flange section, a reducer section integrall... | 09/07/1999 |
| 5893588 | Connection of a coupling collar to and end of a hardened pipe A connection of a coupling collar to the ends of hardened conveying pipes for fluidically conveying solids, such as, sands, gravels and concrete, includes a coupling collar with a connecting piece which is glued in a tension-proof manner to the outer surf... | 04/13/1999 |
| 5884946 | Connection of steel pipes for conveying solid materials A connection of steel pipes for conveying solid materials, particularly for conveying gravel, includes radially directed coupling flanges which extend circumferentially at the ends of the steel pipes. The coupling flanges have receiving bores for the coup... | 03/23/1999 |
| 5851034 | Pipe swivel joint with removable plug for main seal replacement A pipe swivel joint comprises a female conduit element and a male conduit element rotatably engaging the female conduit element. A removable plug within the female conduit element maintains a main seal in proper position for bridging a clearance between t... | 12/22/1998 |
| 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 |
| 5454603 | Co-axial hose coupling adapted for replacing inner hose upon rupture thereof and method therefor Provided is a co-axial hydraulic hose assembly having a co-axial hose coupling releasably joining an inner hose and an outer hose of the assembly in a fluidly sealed engagement. The coupling construction comprises an end seal nut that securely fixes each ... | 10/03/1995 |
| 5407175 | Flow valve having rotatable annular flange A flow valve for mating with a fluid coupling of the type comprising a cylindrical body and a plurality of circumferentially spaced latches. The flow valve comprises a generally cylindrical valve housing and an annular flange adjacent one end of the valve... | 04/18/1995 |
| 5275440 | Double-layer pipe bend with intermediate support layer A double-layer pipe bend for a pipeline includes an inner pipe of cast steel, an outer pipe of weldable steel surrounding the inner pipe, and connecting flanges at the ends of the pipe bend. The connecting flanges are welded to the outer pipe. The inner p... | 01/04/1994 |
| 5259511 | Sliding conduit connector for screening machine A dust seal connector for accommodating the relative movement between the enclosed, moving screen box of a screening machine, and a fixed particle inlet or outlet conduit connected to the screen box. The relative movement occurs as sliding motion between ... | 11/09/1993 |
| 5246254 | Anti-kinking device for garden hoses An anti-kinking device used in conjunction with a garden variety water hose, wherein the device includes a housing defined by a tubular body having a coupling member rotatably mounted to the tubular body so as to be connected to a water faucet, wherein th... | 09/21/1993 |
| 5199464 | Pipeline repair sleeve assembly having heat sink groove The assembly comprises a pair of semi-circular steel shells. The inner surface of one shell forms a centrally located, circular recess and a concentric groove positioned between the recess and the side edges of the shell. A flat cylindrical annular seal e... | 04/06/1993 |
| 5188396 | Rebuildable slurry conduit elbow A conduit elbow assembly has a radially split outer housing and a replaceable liner. The liner fits loosely within the housing so that material flowing in the elbow accumulates in the void formed in the housing. The hardened liner is thus reinforced, rend... | 02/23/1993 |
| 5141256 | Double containment pipe assembly access housing An access housing is provided between segments of an outer containment pipe of a double containment pipe assembly through which the flanged ends of a primary pipe may be accessed with the ability to readily assemble and disassemble the inner piping system... | 08/25/1992 |
