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 |
| 7341288 | Restrained sleeve pipe coupling A restrained sleeve coupling assembly for interconnecting pipe sections includes a generally cylindrical sleeve body, a generally cylindrical adaptor body and opposed end rings which are sleeved over the respective pipe sections to be joined. The generally cylindric... | 03/11/2008 |
| 7252310 | Pipe coupling with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the co... | 08/07/2007 |
| 7249790 | Clamp for joining tubular bodies A band clamp used to connect tubular bodies such as vehicle exhaust system components. The band clamp has a band extending from a first end to a second end and includes a pair of spaced ribs extending at least part way between the first and second ends. A tightening... | 07/31/2007 |
| 7240930 | Quick-connect/quick-disconnect conduit connectors Connector for connecting a pair of tubular components together, such as a pair of exhaust conduits of a dryer or an exhaust conduit of a dryer to a dryer vent or wall-mounted vent sleeve, including a pair of generally semi-cylindrical members each having a first, co... | 07/10/2007 |
| 7150580 | Tapered manhole sealing band and method for use The invention relates to a device and method for sealing a manhole structure. An elastomeric band with at least two different peripheries is sealingly engaged to at least two corresponding peripheries of the manhole structure. Adhesives and supplemental retaining ba... | 12/19/2006 |
| 7055866 | Non-damming coupler An open-ended coupler for joining a pipe to a larger opening defines a passageway having straight and angled sections. The straight section has a uniform inner diameter concentric about a centerline sized to receive the outer diameter of the pipe. The angled section... | 06/06/2006 |
| 7025393 | Pipe coupler with tongue and groove sealing sleeve A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the con... | 04/11/2006 |
| 6663146 | Single flare tube and joint structure of single flare tube A single flare tube, and a joint structure of the single flare tube makes a flare of the single flare tube hardly deformed plastically. Additionally, a tensile stress remains lower and is lower when the single flare tube is fastened. A joint structure of ... | 12/16/2003 |
| 6398267 | Device for interconnecting two smooth tubes in leaktight manner A device for coupling together in leaktight manner two smooth tubes disposed end-to-end, the device comprising a sleeve which diameter can be reduced by a tightening action, and a sealing ring (24) suitable for being disposed inside the sleeve so as to su... | 06/04/2002 |
| 6394505 | Connection between the intake end of a discharge pipe and the outlet end of a connection curve of a water toilet A connection adapted to connect an intake end (10) of a discharge pipe (9) and an outlet end (8) of a connecting curve (7) of a water toilet, wherein the outlet end (8) projects concentrically into the intake end (10) of the discharge pipe (9), said conne... | 05/28/2002 |
| 6375230 | Apparatus and methods for precluding separation of a thermal sleeve and elbow joint in the recirculation system of a nuclear reactor A clamp assembly prevents separation of a thermal sleeve penetrating a nuclear reactor pressure vessel wall and a jet pump riser elbow welded one to the other and lying within an annular space between the pressure vessel wall and core shroud. The clamp as... | 04/23/2002 |
| 6173997 | Flexible entry boot A flexible entry boot assembly provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. The flexible entry boot assembly comprises a seal member disposed within the containment region. A securing ... | 01/16/2001 |
| 6102446 | Polygonal flexible metal hose coupling assembly A polygonal flexible metal hose coupling assembly for connecting first and second pipes of a vehicle exhaust system includes a polygonal coupling body. The coupling body is formed by spiral-winding a metal strip with interlocking leading and trailing edge... | 08/15/2000 |
| 5961153 | Exhaust repair kit for exhaust system and methods therefor An exhaust repair kit, including methods of manufacture and use thereof, in mounting a damaged pipe end to a flanged pipe end in a vehicle exhaust system comprising a length of tubing having a first portion and a second portion. The first portion being si... | 10/05/1999 |
| 5657792 | Capped sleeve for discharge outlet One end of a sleeve is inserted into a waste water discharge outlet of a recreational vehicle until an annular flange abuts the discharge outlet. Each of a plurality of plastic ties interconnects one dog attendant the discharge outlet and the annular flan... | 08/19/1997 |
| 5466014 | Clamp for line fitting A clamp for pipe line fittings is disclosed. The clamp fits over hexagonal nut fittings to prevent the fitting from loosening due to torque, vibration, or other stresses.... | 11/14/1995 |
| 5388868 | Circular coupling system Invention is directed to a circular coupling for joining a first tubular member to a second member, where the second member may be a tubular member larger than the first, or a manhole. Specifically, the first end of the coupling is adapted to encircle the... | 02/14/1995 |
| 5368336 | Split fitting/seal A split fitting for coupling two tubes, one having a large diameter, one having a small diameter, the fitting having mating first and second halves for surrounding the connection point between the larger and smaller tubes and forming a threaded neck porti... | 11/29/1994 |
| 5188399 | Pipe coupling device and method A pipe coupling device wherein the connection between pipe members is made by rotating one member relative to the other member so that a plurality of radially extending surfaces of one member face corresponding radially extending surfaces of the other mem... | 02/23/1993 |
| 5165251 | Coupler for pipe of cooler unit A coupler is disclosed which is constructed of metal. The coupler comprises a cylindrical major part having a first cylindrical bore formed therethrough, the cylindrical major part being formed about its cylindrical outer surface with an externally thread... | 11/24/1992 |
| 5121946 | Pipe repair or joining collar A pipe repair or joining collar comprising a pair of rigid arcuate casing members (10) which may be drawn together around a damaged pipe or a pair of pipe ends with the interposition of one or more elastomeric arcuate seals (13) and wedges (17) located be... | 06/16/1992 |
| 5116083 | Clamp for coupling and sealing pipe joints A clamp suitable for joining a pair of tubular members such as truck exhaust pipes including a metal band having a reinforcing bar at each end wrapped more than one turn, each wrapped reinforced end forming at least one hold for receiving, threading, and ... | 05/26/1992 |
| 5064225 | Coupling device and method for tubular elements Coupling device and method for joining together tubular elements such as sections of aluminum tubing. The device comprises a coupling sleeve having conically tapered walls of diameters corresponding to the diameters of the tubular elements to be joined to... | 11/12/1991 |
| 5039137 | Soil pipe coupling A soil pipe coupler. There is an annular portion formed from an elastomer having a hardness of 95 on the Shore Durometer A Scale. A ridge is formed about the portion's inner surface to be inserted between the ends of the two pipes to be coupled. A clamp m... | 08/13/1991 |
| 5037141 | Pipe jointing or closing device A device for jointing or closing pipe ends and comprising a single or double-ended rigid or semi-rigid tubular body (10) adapted to retain and protect a single or double-ended elastomeric sleeve (12) with a resilient annular collar (13) protruding from th... | 08/06/1991 |
| 4721330 | Pipe clamp device A pipe clamp device for the compression of a gasket relative to a pipe joint comprises a clamping ring having interconnectable portions with a peripheral gasket-engaging surface and adapted for disposition around a pipe, connecting devices to connect the ... | 01/26/1988 |
| 4679830 | Tube coupling The invention relates to a tube coupling for connecting a tube portion of synthetic resin to another conduit element with resistance to tensile stress in such a way that said tube portion is firmly held to resist high tensile forces due to shrinkage of th... | 07/14/1987 |
| 4662658 | Seal Seal means for reducing the gas flow through the space between the opposing ends of first and second concentric axially disposed cylinders is disclosed. The seal means includes a presizeable annular leaf seal concentrically mateable with the first cylinde... | 05/05/1987 |
| 4583770 | Pipe joint seal A pipe joint seal comprises an insert (10) adapted to be mounted around the joint and the pipe sections adjacent thereto and having in its inner side dovetailed grooves (11) or the like which are filled with a plastic sealing compound. The insert (10) can... | 04/22/1986 |
| 4494780 | Liquid piping saddle assembly connecting a branch pipe to a main pipe Liquid piping saddle assemblies, in two sizes, to connect to branch pipes of 4 inch and 6 inch diameters, and to all sizes of main pipes, in respect to each assembly has only one elastomeric gasket, which seals both the branch pipe and the main pipe. Each... | 01/22/1985 |
| 4480860 | Transition coupling and clamp assembly containing same A pipe clamp assembly for joining joint or pipe ends of different diameter in a clamping relationship, which clamp assembly comprises a flexible clamping band which surrounds the ends of the pipe or joint to be joined, a polymeric circumferential, thin se... | 11/06/1984 |
| 4369991 | Connector for endotracheal tubes and catheters An improved connector is disclosed for coupling the output breathing circuit connection from a conventional anesthesiology machine to the open proximal end of a conventional endotracheal tube. The connector includes a cylindrical input section, a central ... | 01/25/1983 |
| 4318547 | Devices used for the connection of pipes A device for the connection of pipes of whatever section or of pipes with elements forming part of a plant such as housings or tubular bodies of whatever section provided in automatic valves or other apparatus. The device comprises a muff of a flexible ma... | 03/09/1982 |
| 4298220 | Pipe joint A pipe joint having a radially displaceable clamp ring located within a cylindrical joint casing to circumvent a pipe passage along which a pipe is to be inserted, the clamp ring being movable between an inner concentric position and an outer eccentric po... | 11/03/1981 |
| 4261600 | Pipe coupling for lap joints A coupling for a pipe lap joint is disclosed in which a sleeve has a larger diameter at one end and a smaller diameter at the other end with means for stretching the sleeve around the pipes. The sleeve has a radially projecting channel-shaped sector and f... | 04/14/1981 |
| 4227721 | Variable size coupling Apparatus for forming a tight seal between a coupling and a tube of variable sizes. A cylindrical housing defining an opening therein is provided such that a plurality of jaws having gripping teeth and gear teeth are mounted within the housing by being ro... | 10/14/1980 |
| 4191407 | Pipe coupling for plumbing apparatus A plumbing connector and a method for installing or replacing pipe which extends between a toilet and a ferrule utilize a pair of sleeves arranged coaxially so as to form an annular socket for receiving one end of the ferrule. The inner sleeve is adapted ... | 03/04/1980 |
| 4186948 | Pipe joint clamp A generally circular pipe joint clamp able to compress a flexible packer around a joint between substantially aligned pipes. The clamp comprises a plurality of plates forming a flexible shield. Each plate overlaps one neighboring plate and underlies the o... | 02/05/1980 |
| 4165109 | Wide-band compression coupling A wide-band compression coupling for flexible hose, piping or tubing is disclosed which has a sleeve assembly extending circumferentially around the adjacent ends of the tube or pipe. The sleeve assembly has an axially extending, radially projecting crown... | 08/21/1979 |
| 4142743 | Clamping device An apparatus for axially joining two tubular members of differing diameters in which a band of metal is passed around the adjacent ends of the members and circumferentially stressed by means of reinforcing, notched bars secured to the band, to conform wit... | 03/06/1979 |
