Quotables
"If you build a better mousetrap, you will catch better mice."
George Gobel
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 |
| 8186721 | Spherical annular seal member, exhaust pipe joint device using the same, and method of manufacturing spherical annular seal member A spherical annular seal member includes a spherical annular base member defined by a cylindrical inner surface, a partially convex spherical outer surface, and large- and small-diameter-side annular end faces and of the partially convex spherical outer surface, as ... | 05/29/2012 |
| 7213406 | Pipe support for compressor subassembly A compressor assembly, including a compressor, at least one pipe having ends and an intermediate portion between the ends, the at least one pipe being connected to the compressor at the ends, and at least one support member for supporting the intermediate portion of... | 05/08/2007 |
| 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 |
| 7163206 | Fluid seal A jet pipe assembly containing at least one joint provided with a seal assembly to isolate, substantially, the fluid flowing in the pipe from the fluid external to the pipe. The dynamic member of the seal assembly is provided with both radial and cylindrical sealing... | 01/16/2007 |
| 7144049 | Spherical flange assembly A spherical flange assembly is disclosed. The spherical flange assembly comprises a seat member, a heel member, a seal gland and at least one nut and bold assembly. The seat member includes a concave portion. The heel member includes a convex portion and a seal glan... | 12/05/2006 |
| 7093861 | Exhaust pipe joint structure and coil spring used in the same An automobile exhaust-pipe joint structure and a coil spring for use therein. The exhaust pipe connection structure includes a first exhaust pipe having a first flange section, a second exhaust pipe having a second flange section, a ball joint section for connecting... | 08/22/2006 |
| 6976668 | Roll diaphragm control valve The present invention provides an improved diaphragm control valve with a simplified construction that has significant advantages over prior art diaphragm control valves. Further, the present invention provides substantially straight-through fluid flow which enables... | 12/20/2005 |
| 6968832 | Connection system for exhaust gas recirculation (EGR) A connection system for exhaust gas recirculation (EGR) in a diesel engine has an EGR conduit, an exhaust manifold, and a sealing strand. The EGR conduit forms a first surface surrounding an inlet. The exhaust manifold forms a second surface surrounding an outlet. T... | 11/29/2005 |
| 6880863 | Flexible coupling for gas conduits A flexible joint for connection between a pair of conduits for transferring a gas, under pressure, between the conduits. The joint includes a hollow, annular inner member for connection to one of the conduits which defines a spherically shaped, convex seal receiving... | 04/19/2005 |
| 6406066 | Connecting structure for exhaust pipes A connecting structure for exhaust pipes wherein a first connecting flange is connected to peripheries of downstream-end portions of a plurality of upstream exhaust pipes, a second connecting flange is connected to peripheries of upstream-end portions of ... | 06/18/2002 |
| 6328347 | Uniform axial loading ground glass joint clamp A system for coupling a ball fitting connected to a first tubing to a socket fitting connected to a second tubing. A first coupling forms an aperture having a diameter that is larger than the diameter of the ball fitting, and receives the ball fitting. Th... | 12/11/2001 |
| 6042154 | Arrangement for joining tubular duct sections In an arrangement for joining tubular duct sections, especially the end sections of pipes of a motor vehicle exhaust system, wherein the end sections are received in one another such that one end section extends around the other in spaced relationship wit... | 03/28/2000 |
| 5779282 | Exhaust ball seal An exhaust ball seal comprising: a first flange on an exhaust manifold having first and second first flange ears on either side of an exhaust port; an annular seal having a substantially flat seat on a first axial end, a peripheral shoulder on the first a... | 07/14/1998 |
| 5683119 | Pipe joint and seal therefor A joint seal has a through bore and two spherical spaced convex surfaces which mate with respective concave spherical surfaces on a pair of adjacent flanges. The flanges are welded to and about the periphery of corresponding spaced pipes one of which is i... | 11/04/1997 |
| 5462291 | Spherical annular seal with outer sliding layer A spherical annular seal having a through hole in a center thereof and a partially convex spherical surface portion on an outer surface thereof, wherein an inner peripheral surface of the spherical annular seal defining the through hole is reinforced by a... | 10/31/1995 |
| 5370312 | Gas turbine engine exhaust nozzle The spherical portions of two gimbal (18) mounted convergent flaps (26,28) have hub structures (24) of concentric hubs (54,56). A piston (38) within each hub carries an annular seal (36) which is urged into sealing contact with the spherical static struct... | 12/06/1994 |
| 5335947 | Quick disconnect ball joint coupling A novel quick disconnect ball joint coupling which utilizes as a misalignment ball locking mechanism, a combination of a plurality of locking balls and a locking sleeve. The locking sleeve provides an annular race or groove for receiving the locking balls... | 08/09/1994 |
| 5203593 | Flexible exhaust coupling with gasket crush reducing resilient members The exhaust coupling of the invention comprises a first length of tubing having a first assembly flange fixed thereon, a second length of tubing associated with a second assembly flange, clamping means disposed to urge the assembly flanges towards each ot... | 04/20/1993 |
| 5182922 | Automotive air-conditioning system Method and apparatus are disclosed for an improved automotive air-conditioning system wherein the refrigerant transport system connecting the compressor to the evaporator and condenser comprises rigid tubing therby minimizing the loss of refrigerant other... | 02/02/1993 |
| 5040805 | Spherical sealing body used for exhaust pipe joint and manufacturing method thereof A spherical sealing body is to be inserted in a space defined by three of an end edge of an exhaust pipe on upstream side, a flange fixed on an outer periphery of the exhaust pipe on upstream side, and a concave spherical portion disposed on an end edge o... | 08/20/1991 |
| 4955218 | Method of manufacturing a high temperature composite gasket including a strip segment of non-woven fibrous refractory material The method in accordance with the invention comprises the steps of forming a strip of composite material comprising at least one flexible strip of refractory material superposed on at least one strip of knitted metal, of making a blank by winding the stri... | 09/11/1990 |
| 4928998 | Flexible exhaust coupling A flexible exhaust coupling comprising a first length of pipe (1) terminating in a convex spherical bearing part, a first connecting flange (2) associated with the first length of pipe, a second length of pipe (7) terminating in a concave spherical bearin... | 05/29/1990 |
| 4871181 | Reinforced squeak free seal for exhaust couplings A substantially squeak-free heat cured exhaust seal adapted to be interposed between a pair of confronting pipes in sealing relationship therewith, comprises a one-piece substantially rigid grommet and a heat cured seal body of annular configuration and f... | 10/03/1989 |
| 4718483 | Heat exchanger with externally enamelled bayonet-tubes A heat exchanger with a tube bundle constituted by externally enamelled bayonet-tubes which are individually fixed to a tube plate using a special system of sealing by pressing against a frustoconical seat, and which comprises preferably a single PTFE gas... | 01/12/1988 |
| 4659091 | Sealing ring for sealing an articulated connection A sealing ring having at least one jacket face serving as a slide surface is produced of fibers and sliding agent that are passed to one another, with the fibers being relatively short fibers.... | 04/21/1987 |
| 4583768 | Flexible exhaust coupling A flexible exhaust coupling comprising first and second passage elements, the first passage element being fluid-connected to the engine for receiving the exhaust gases to be discharged from an automobile engine through the second passage element, and a ri... | 04/22/1986 |
| 4427220 | Flexible joint for conduit A flexible joint for conduit includes inner and outer conduit parts having a common longitudinal axis. The inner conduit part includes a spherically curved end portion received in the outer conduit part and having inner and outer surfaces. Inner and outer... | 01/24/1984 |
| 4408785 | Engine vibration filtration system A system for filtering vibrations from an internal combustion engine towards an exhaust pipe wherein an interruption is arranged on the latter and as close as possible to the source of the vibrations, the ends of the pipe facing the level of the interrupt... | 10/11/1983 |
| 4097071 | Flexible exhaust coupling An exhaust pipe of a front engine mounted transversely to roll about an axis transverse to the longitudinal axis of the vehicle is joined to a tailpipe by an improved high temperature resistant flexible coupling including a spherically surfaced ring seal ... | 06/27/1978 |
| 4012060 | Ball flex union An articulated full gauge opening pipe connector is disclosed. The connector apparatus is particularly adapted for use in under sea applications. The apparatus incorporates a ball which has an axial passage therethrough. The passage opens to the full gaug... | 03/15/1977 |
| 3961815 | Leak-tight ball-and-socket connecting device transmitting torques and stresses between two pipes A leak-tight connecting device for the connection of two pipes comprising a primary ball-and-socket joint traversed by a bore, a secondary connecting support for said ball-and-socket joint, said secondary support comprising first and second outer sealing ... | 06/08/1976 |
| 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 |
