Did You Know...
...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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 |
| 6921112 | Exhaust vibration decoupling connector An exhaust-vibration decoupling connector has an inlet tube (1) extended downstream from a decoupler inlet (2) to an inlet-tube step (22). The inlet-tube step includes a radially inward extension of the inlet tube to a damper seat (23) th... | 07/26/2005 |
| 6902203 | Exhaust pipe decoupler for vehicles An exhaust pipe decoupler for vehicles including a bellows (10), an outer braid member (20) spaced from the bellows and braided with a predetermined angle, a retainer (30) having a support (31) inwardly curved at both ends thereof for eng... | 06/07/2005 |
| 6880861 | Pipe joint This pipe joint comprises a hollow cylindrical joint body made of elastic material such as heat-resistant rubber with a prescribed length, and a circular flange for connecting piping attached to the both sides of the joint body, on the side of the inner circumferenc... | 04/19/2005 |
| 6709023 | Flexible slide joint A flexible slide joint is provided for accommodating axial, rotational and angular misalignments between two fluid conveying members. The flexible slide joint basically has first and second tube members with a sliding sealing member and a axially compressible elemen... | 03/23/2004 |
| 6631928 | Expansion joint device Both ends of a bellows-type outer cylinder [31] capable of axial expansion and contraction are connected in a leakproof manner to a pair of connection passage ends [20], thereby constituting an expansion passage [30]. A cylindrical resin film [33] having ... | 10/14/2003 |
| 6588804 | Method and apparatus for monitoring pipeline expansion joint conditions A method and apparatus for monitoring a pipeline expansion joint, in particular the conditions of a pressure-balanced expansion joint. A sensor is positioned so as to sense one or more physical characteristics of a pipeline fluid flow. A signal generated ... | 07/08/2003 |
| 6568715 | Vibration decoupling exhaust connector A flexible connector apparatus for decoupling vibrations, for example, along the components of an internal combustion engine exhaust system. The flexible connector apparatus is provided for connecting first and second components in the exhaust system, and... | 05/27/2003 |
| 6460893 | Bellows seal with laterally offset adjusted liner An expansion joint for high temperature air or other gaseous flows, of the type in which two duct ends are separated by a gap, that is bridged by overlapping inner and outer liner ducts. The inner and outer liner ducts are surrounded by at least one insul... | 10/08/2002 |
| 6343890 | Fastener and connection assembly A fastener has an integral closure. The fastener maintains the relative position of concentrically nested or telescopically related inner and outer tubes. The closure occludes the inner tube. The fastener can be used for assembling children's products suc... | 02/05/2002 |
| 6312023 | Axial compensator An axial compensator has a corrugated compensator tube extending along an axis and having a pair of opposite ends and respective pipe sleeves fixed to the ends and movable axially toward and away from each other with axial elastic deformation of the compe... | 11/06/2001 |
| 6151893 | Flexible tube for automobile exhaust systems A flexible tube for an automobile exhaust system which has a bellow assembly to absorb the first exhaust pipe and the second exhaust pipe for the an exhaust system having a cylindrical outer cover (5) made of plate to cover the outer periphery of the bell... | 11/28/2000 |
| 5899669 | Compressor device with vibration isolator A compressor device, more particularly a two-stage compressor device (1), consists of a low-pressure compressor (4), a first compartment (7) of a cooling part (6) connected to the low-pressure compressor (4) by a first flexible connector (21), a high-pres... | 05/04/1999 |
| 5791697 | Device for the movable connection of pipe ends The invention relates to a device for the movable connection of pipe ends, particularly of motor vehicle exhaust systems, with a flexible pipe element, such as a metal bellows, hose or the like, and with damped, spring elastic elements acting between the ... | 08/11/1998 |
| 5775737 | Conduit vibration decoupling device A conduit vibration decoupling device, particularly for exhaust systems of internal combustion engines, comprises a pair of axially spaced conduit connecting members connected with each other by a flexible, bellows-type connecting element, and a force tra... | 07/07/1998 |
| 5660419 | Connecting member for exhaust pipe A connecting means for an exhaust pipe of a vehicle includes a bellows member made of metallic material and cylindrically corrugated for absorbing the deformation force due to the expansion and contraction of the exhaust pipe, an interlock member spirally... | 08/26/1997 |
| 5653474 | High temperature rectangular exhaust duct expansion joint A high temperature rectangular exhaust duct expansion joint structure for securement to a high temperature gas stream and particularly, but not exclusively, a turbine engine exhaust duct. The support flange structure incorporated in the duct has a connect... | 08/05/1997 |
| 5603531 | Blind assembly-swivel crossover tube The crossover tube conducts fluid from the exhaust nozzle of a gas turbine engine to a blind receiver mounted in the sidewall of the airframe when assembled and deployed and includes a rigidly affixed forward ball and joint and a ball attached to the ends... | 02/18/1997 |
| 5370427 | Expansion joint for fluid piping with rotation prevention member An expansion joint for connecting first and second fluid-carrying pipes comprising first and second annular couplings which are operably affixable to respective ones of the pipes. In a preferred embodiment the couplings include cylindrical bores of substa... | 12/06/1994 |
| 5318329 | Flexible joint for an exhaust pipe A flexible joint has a bellows, a first support cover connected with one end of the bellows, a second support cover connected with another end of the bellows, a pin fixed to the first support cover, a cap fixed to the second support cover, and a buffer me... | 06/07/1994 |
| 5303960 | Expansion joint with low friction packed seal This invention provides an expansion joint that uses a flexible sealing element in conjunction with a packed seal in a manner that allows a reduction in break-away forces and permits continued operation of the joint after a failure of the bellows or bello... | 04/19/1994 |
| 5299841 | Safety flow restrictor for expansion joints An expansion joint for coupling two conduits in a manner allowing relative axial movement therebetween and including an external shell or housing receiving the ends of both conduits and receiving an end of at least one of the conduits in a manner allowing... | 04/05/1994 |
| 5232251 | Expansion joint with two sealing elements This invention provides an expansion joint that uses a flexible sealing element in conjunction with a packed seal in a manner that allows a reduction in break-away forces and permits continued operation of the joint after a failure of the bellows or bello... | 08/03/1993 |
| 4854611 | Fail-safe bellows assembly A fail-safe bellows assembly eliminates the usual limit bolts and replaces them with a cylindrical guard that encircles the bellows element with its associated coupling flanges and interconnects said flanges so as to permit a limited safe magnitude of elo... | 08/08/1989 |
| 4718702 | Expansible coupling The coupling comprises a sleeve which receives a pair of tubular elements thereabout. One of the elements is pinned to the sleeve, and the other has a restricted, axially-movable relationship with the sleeve. Terminal ends of the tubular elements are spac... | 01/12/1988 |
| 4659117 | Flexible coupling for pipes in exhaust systems of motor vehicles For decoupling an exhaust system while suppressing or damping motion and cutting down noise as far as possible, a flexible joint or articulation for the exhaust system of a motor vehicle has a flexible duct part with support parts joined with its ends for... | 04/21/1987 |
| 4645244 | Aircraft duct gimbaled joint An aircraft duct gimbaled joint is disclosed which permits the ducting to be deflected when high pressure--high temperature gases, vibration and gravitational forces upon take off and during vertical climbs cause substantial expansion and movement. The gi... | 02/24/1987 |
| 4611827 | Compensator for the compensation of axial movements of pipe conduits A first sleeve is connected to a second sleeve by means of a bellows. Brackets are arranged at the mutual circumferential distance along the circumferences of the sleeves which brackets are welded to the first sleeve at an end section thereof. The opposit... | 09/16/1986 |
| 4577659 | Coupling arrangement for pipe conduits conducting a medium containing radioactive substances The invention is directed to a coupling arrangement for pipe conduits thrh which a medium containing radioactive or toxic substances is conveyed. The coupling arrangement includes a first coupling unit mounted on the end of a first one of the pipe condui... | 03/25/1986 |
| 4526409 | Expansion joint An expansion joint of the bellows type for installation between the end portions of two aligned pipes utilizes two stop members within the bellows being movable relative to one another and each being supported by opposite end portions of the joint for lim... | 07/02/1985 |
| 4350372 | Expansion coupling for large diameter plastic pipes An expansion coupling connecting a first pipe with a second pipe includes an imperforate expansion member having a first cylindrical end capable of fitting to and forming an impervious fluid seal with the first pipe and a second cylindrical end capable of... | 09/21/1982 |
| 4215882 | Joint structure A first pipe or shaft-like structure having a first end is shown operatively connected to a second pipe or shaft-like structure having a second end in a manner whereby the first and second ends spaced from each other and in fluid communication with each o... | 08/05/1980 |
| 4192143 | Exhaust pipe An exhaust pipe having an axial compensator is provided with means for preventing bending of the axial compensator. This means includes at least one sleeve which is secured to one of the parts of the pipe and a mandrel slidably received by the sleeve and ... | 03/11/1980 |
| 3997194 | Compensator connection for tuyere stock A hermetic expansion joint employing an external bellows and means positioned within the bellows for limiting the relative axial displacements of the conduits being joined in both compression and tension. The expansion joint device has, located within the... | 12/14/1976 |
