Bizarre Patents
An enclosure for small animals which is wearable on the front or back of an animate being.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7748752 | Pipe connecting device A pipe connecting device (10) for connecting two pipeline portions (12, 14) of an aircraft pipeline system comprises a bridge portion (16), the cross-sectional form of which is matched to a cross-sectional form of the pipeline portions (12, 1... | 07/06/2010 |
| 7302972 | Thermo-insulated flexible tubing A water supply line includes a cylindrical and ductile outer tube that has a centrally aligned axis. An inner tube is concentrically spaced about the axis of the outer tube and has a length coextensively sized therewith. The inner tube is equidistantly spaced inward... | 12/04/2007 |
| 7175137 | Coupler for cable trough Couplers for a cable trough system including a spacing defined by first and second guiding surfaces, the spacing being sized to receive the terminal end of a trough member into the spacing. One or more springs are carried on the couplers and may be at least partiall... | 02/13/2007 |
| 6916051 | Coupler for a flexible tube A coupler for a flexible tube is disclosed. The coupler includes a first channeled member having a generally semicircular cross-section and a first longitudinal axis extending therethrough and a second channeled member having a generally semicircular cross-section a... | 07/12/2005 |
| 6860525 | Breech lock connector for a subsea riser A riser assembly includes riser segments, each having threaded ends. A coupling nut is connected to the threaded end of the first riser segment. The threads of a second riser segment and a set of corresponding threads of the coupling nut are breech threads, which al... | 03/01/2005 |
| 6620316 | Modular system for putting together different sized filter elements A modular system for putting together different sized filter elements, especially filter elements having different lengths, more particularly filter devices for hydraulic fluids, comprising a support tube that defines an inner cavity in the corresponding ... | 09/16/2003 |
| 6595559 | Pipe coupling A coupling comprising a tubular inner member (9) defining a socket dimensioned to receive a pipe to be connected to the coupling. The inner member (9) is positioned within a tubular body (1) to define a closed annular chamber, and an inlet (2) is provided... | 07/22/2003 |
| 6561552 | Pipe joint and a method for its manufacturing The invention concerns a pipe connection for preferably polyethylene-pipes for high media pressure and a method of manufacturing said connection where said pipe-connection (1) shows connecting parts (4, 5; 4', 5) with an inside dimension larger than the i... | 05/13/2003 |
| 6494501 | Pipe connector, pipe-connecting structure, and connecting method A pipe joint connecting a pipe using an anaerobic adhesive, which possesses a double pipe structure formed with an inner pipe fitting into the inner circumference side of the end of the pipe, and an outer pipe fitting into the outer circumference side of ... | 12/17/2002 |
| 6409229 | Plastic pipe and duct joint connections The invention relates to a joint assembly for connecting together fiberglass cylindrical pipe and duct sections up to about one hundred and twenry inches in diameter. An internal tubular slip collar fits into opposing sections joining the sectionend to en... | 06/25/2002 |
| 6352288 | Thrust and torque resistant pipe joint Mechanical pipe connections are provided by this invention which include the feature of coupler recesses with discontinuous locking grooves on the pipes. The interlocking system may also include male and female portions which mechanically mesh together to... | 03/05/2002 |
| 6302448 | Coupling unit for membrane elements The invention relates to a coupling unit for coupling two tubular membrane elements of the kind used in membrane filter technology, forming extensions of one another. The coupling unit comprises a jacket piece which is provided at both its ends with seali... | 10/16/2001 |
| 6276727 | Slip-on compression coupling for thermoplastic pipe A mechanical pipe coupling for thermoplastic pipe, the coupling including an outer sleeve with cuff portions at opposite open ends and an internally directed flaring, the sleeve having a central circumferential ridge between the cuff portions, the couplin... | 08/21/2001 |
| 6089622 | Method and apparatus for connecting tubes A tube connection apparatus for use with larger diameter flexible tubing particularly for hazardous material removal comprising an outer tapered sleeve and an inner tapered sleeve that is sized to snugly fit within the outer tapered sleeve and to engage t... | 07/18/2000 |
| 6070915 | Coupling device for tube The present invention relates to an improved coupling device for tube and that is configured with a tube and an insert that can be fixedly disposed within the tube. The insert includes at least an enlarged portion that has an annular groove thereof, and a... | 06/06/2000 |
| 6050613 | Combined plastic pipe coupler and end plug An end plug for a stab-type coupler for a plastic pipe, the coupler having a first shell with a passageway therethrough. The end plug includes a hollow, cylindrical portion having a first end and a second end. An end wall is sealably attached to the cylin... | 04/18/2000 |
| 5961154 | Fume duct joint with clamping collar A fume exhaust duct joint, a clamping collar for clamping two cylindrical dual-laminate duct sections joined by an internal slip collar, and a method for assembling the joint. A first embodiment of the clamping collar has two clamp portions each including... | 10/05/1999 |
| 5909903 | Coupling structure for coupling two pipes For coupling first and second metal pipes, a coupling structure is provided which comprises a first diametrically angled end portion of the first metal pipe and a second diametrically enlarged end portion of the second metal pipe. The second enlarged end ... | 06/08/1999 |
| 5791698 | Plastic pipe coupler with internal sealer A coupling for securing a plastic pipe. The coupling has a rigid hollow coupling shell with a passageway through it. A rigid stiffener tube is positioned internally of the shell, the stiffener tube having an external diameter slightly less than the intern... | 08/11/1998 |
| 5769460 | Connector for tubular guide rails In order to connect two tubular guide rails, a connector is used. Each tubular guide rail is formed with an elongate rounded recess which extends perpendicular to the longitudinal axis of the tubular guide rail. A seal member of elastic material is to be ... | 06/23/1998 |
| 5762380 | Pipe joint with flanged housings A pipe joint comprises two tube-end connectors 4, 4 to which the end of a tube 3 is connected, a cylindrical spacer 1 with the tube-end connector 4 fitted to either end, and a pair of metallic housings 6, 6 that each axially covers half the side outer cir... | 06/09/1998 |
| 5718462 | Muffler tube coupling with reinforcing inserts A reinforcement insert for use in a coupling components in marine exhaust systems. The insert is generally made of a much stronger material than fiberglass and is inserted within corresponding openings of exhaust system components which are to be coupled.... | 02/17/1998 |
| 5692785 | Plastic pipe coupler with internal sealer A coupling for securing a plastic pipe. The coupling has a rigid hollow coupling shell with a passageway through it. A rigid stiffener tube is positioned internally of the shell, the stiffener tube having an external diameter slightly less than the intern... | 12/02/1997 |
| 5573283 | Branched hose construction, part therefor and methods of making the same A branched hose construction, part therefor and methods of making the same are provided, the method comprising the steps of disposing a mark on a length of hose that straddles the location where the hose is to be cut into two hose sections whereby the cut... | 11/12/1996 |
| 5524940 | Pipe coupler device A coupler for securing at least one pipe having a planar end. A hollow rigid coupler shell and a rigid tube stiffener are secured in the shell by a hub member, the stiffener having an external diameter less than an internal diameter of the pipe. The hub m... | 06/11/1996 |
| 5507532 | Branched hose connector A branched hose connector includes a branched inner pipe substantially made from a suitable lightweight material, a plurality of hoses connected onto the branched inner pipe, a cover covering the branched inner pipe and a portion of the hoses to join the ... | 04/16/1996 |
| 5472242 | End-fitting for pipe connection having proper insertion indicator For use in push-in-and-snap pipe connectors, the region of the pipe behind the integral end-flange is raised in diameter. If the pipe is properly inserted, the raised region is concealed inside the body of the fitting; but if the pipe is not pushed fully ... | 12/05/1995 |
| 5447342 | Hose coupling with spring clip having inwardly and outwardly curved segments A device for quickly coupling and decoupling conduits comprises a fitting ving spaced exterior surface concavities in an annular array and axially facing shoulders at the concavities, the fitting defining a bore open to one conduit. The device has a tube ... | 09/05/1995 |
| 5411300 | Hose connecting assembly A hose connecting assembly comprises a connecting tube 1 made of a resin, flexible hoses 21, 22 and 23 each having a reinforced layer which is braided with reinforcing threads, into which the connecting tube 1 is inserted, and a resin cover 3 which covers... | 05/02/1995 |
| 5388873 | Coupling device useful for joining or capping plastic pipe A coupling device for joining ends of pipes together or capping an end of a single pipe. The device includes a metal insert having serrations for engaging an inner surface of a plastic pipe, a deformable coupling member which overlies the pipe and a metal... | 02/14/1995 |
| 5388526 | Conveyer system having flexible magnetic inner slider for propelling outer member In a conveyer system including a tubular guide way having a curved guide way section, a magnet-mounted inner slider slidably disposed in the tubular guide way, a pressure source connected to the tubular guide way to feed the interior thereof with a pressu... | 02/14/1995 |
| 5366260 | Plastic pipe coupler The present invention is a unitary pipe coupler having an internally mounted hollow tube stiffener which extends through the coupler. The stiffener serves as a guide over which ends of the pipes slide as the pipes are inserted into the coupler and provide... | 11/22/1994 |
| 5348351 | Coupling apparatus A coupling apparatus is provided for quick coupling of pumping equipment to a cylindrical member.... | 09/20/1994 |
| 5335944 | Hose coupling structure In order to easily automate the coupling work of a pipe and a hose without damaging the mechanical strength of the structure, a hose with a coupling portion includes a nipple, a hose inserted into the end portion of the nipple, and a resin covering portio... | 08/09/1994 |
| 5316352 | Pipe coupling A method and apparatus for coupling pipe, and installing coupled pipe in a trenchless installation, the pipe being adapted for use as a watermain or the like. Lengths of watermain pipe are provided with a bell at each end, and connecting nipples adapted t... | 05/31/1994 |
| 5299839 | Connection and/or T-joint for flexible tubes A connection for flexible tubes includes a rigid tubular insert with at least two ends onto which the ends of flexible tubes are force-fitted. A cover of plastics material is moulded over the tubular insert and over the ends of the tubes. At least one res... | 04/05/1994 |
| 5288113 | Connector for capillary tubes having a tapered inner bore An easily-assembled, heat-resistant connector for releasably joining end portions of two capillary tubes in end-to-end fashion for use in chromatography without interrupting fluid flow or interfering with chromatographic results, comprises a cylindrical s... | 02/22/1994 |
| 5224741 | Thrust restraint for pipe coupling system This invention is directed to an internal expansion coupling system offering improved thrust restraint when joined to a pair of tubular members, preferably plastic, aligned in end-to-end relationship. The system comprises an elongated open ended tubular j... | 07/06/1993 |
| 5213374 | Coupling ring and method of making same A coupling ring for circular ducts is formed of a single piece of sheet metal and has oppositely extending flanges connected together by an annular channel-shaped rib which cooperatively with the flanges defines oppositely opening grooves containing seala... | 05/25/1993 |
| 5201550 | Pipe coupling system with thrust restraint This invention is directed to the combination of a pair of aligned tubular members joined in end-to-end relationship by an internal expansion coupling device, where such coupling device offers thrust restraint to the combination. Each of the tubular membe... | 04/13/1993 |
