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| Number | Title | Issue Date |
| 7967343 | Adapter for clamps, particularly for welding plastic pipes An adapter for pipe locking clamps, particularly but not exclusively useful for welding portions of plastic piping by polyfusion. The adapter has at least two bodies obtained from a metal plate, and arranged parallel to each other. The bodies have respective circula... | 06/28/2011 |
| 7758087 | Coupling apparatus An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between a... | 07/20/2010 |
| 7712796 | Deformable mechanical pipe coupling A deformable mechanical pipe coupling is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer surfaces of the pipe elements. The outer surfaces... | 05/11/2010 |
| 7677612 | Clamp A clamp for connecting flanged tubes comprising a pair of tangs having a tampered groove around their insides to engage the flanges. One of the tangs is provided with a pivotally connected screw, which passes through an aperture in one end. A nut attached to the scr... | 03/16/2010 |
| 7540540 | Pipe coupling A pipe coupling inc1udes a pair of half members which have a half-ring shape on the x-y plane and a thickness along the z axis, wherein the half member includes a first end on which a circumferential groove is disposed, the circumferential groove including a first g... | 06/02/2009 |
| 7425023 | Profiled clamp A profiled clamp with at least one profiled segment which extend successively in the circumferential direction of the clamp and are clamped by means of at least one clamping device. The profiled segments have a profile which in cross-section is essentially inversely... | 09/16/2008 |
| 7384077 | Coupling apparatus An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between a... | 06/10/2008 |
| 7341287 | Deformable mechanical pipe coupling A deformable mechanical pipe coupling is disclosed. The coupling is formed from an arcuate band that surrounds and defines a central space. The band has first and second ends in facing relation. arcuate surfaces that engage outer surfaces of the pipe elements extend... | 03/11/2008 |
| 7147254 | Coupling apparatus An apparatus configured to a downhole tubular to a pump. The apparatus comprises: a body portion having a bore; a locking assembly comprising at least one locking member pivotally mounted to the body portion so as to permit the locking member to be pivoted between a... | 12/12/2006 |
| 7134315 | Pulse radar level sensing gauge An improved pulse radar level sensing gauge for insertion into a storage or processing tank includes a housing; a probe cover comprising a sealing flange; and a probe for sensing electrical and mechanical properties, positioned at least partly below the sealing flan... | 11/14/2006 |
| 7104572 | Tapping sleeve with mechanical joint connection Plural spaced projections attached to the outer surface of a branch pipe of a tapping sleeve positioned on a main water line are disposed in contact with a rubber gasket also positioned on and disposed about the branch pipe. A two-piece split gland is also positione... | 09/12/2006 |
| 7086131 | Deformable mechanical pipe coupling A deformable mechanical pipe coupling is disclosed. The coupling has a plurality of interconnectable segments that straddle the ends of pipe elements to be joined. The segments have arcuate surfaces that engage outer surfaces of the pipe elements. The outer surfaces... | 08/08/2006 |
| 6971413 | Apparatus for repairing an underwater pipe A pipe clamp 10 for repairing an underwater pipe. The pipe clamp 10 comprises a plurality of part-cylindrical portions 12,14,16 hinged together along a hinge axis or axes 27 along adjacent longitudinal edges 17,18. Two or the longi... | 12/06/2005 |
| 6955498 | Circular conduit opening closure device The closure device for a circular conduit opening may be used to inhibit entry of debris and other matter into a conduit. The closure device may have an outer band, an inner band and a cover wherein a perimeter edge of the cover may be fastened between the outer ban... | 10/18/2005 |
| 6536811 | Pipe coupling with assembly tool A pipe coupling includes mating hub sections engaged by outer split clamp elements that are compressed together against mating tapered surfaces of the hub sections to draw the hub sections together into tight fitting relationship. The clamp elements are d... | 03/25/2003 |
| 6533333 | Hinged mechanical couplings with interfitting ends Hinged mechanical couplings with interfitting ends include at least a pair of coupling segments each having: an elongated arcuate body with first and second opposing ends; a generally concave surface with central channel extending between the ends; a long... | 03/18/2003 |
| 6523866 | Constant tension clamping device for flanged connections A clamp device that is used to maintain a consistent clamping pressure on a flanged connection despite changes in temperature and changes in internal pressure behind the flanged connection. The clamp device contains a rocking bolt assembly that is manuall... | 02/25/2003 |
| 6508492 | Swiveling hose coupling A swiveling hose coupling comprising first and second nipples and a cylindrical shell. The cylindrical shell includes a swivel shell, and first and second retaining rings. The swivel shell is set between the first and second retaining rings. The first and... | 01/21/2003 |
| 6499774 | Radial wedge flange clamp A radial wedge flange clamp comprising a pair of flanges each comprising a plurality of peripheral flat wedge facets having flat wedge surfaces and opposed and mating flat surfaces attached to or otherwise engaged with two elements to be joined and includ... | 12/31/2002 |
| 6499773 | Articulated clamp connector An articulated clamp connector is for interconnecting pipes, cables, etc. preferably underwater, where interconnecting ends of pipes are provided with connecting flanges with outer conical surfaces which interact with opposite surfaces of the clamp. When ... | 12/31/2002 |
| 6367849 | Joint for corrugated pipe A joint (and method) connects synthetic resin corrugated pipes, each of the corrugated pipes including a pipe wall having sectionally rectangular wall portions and sectionally circular wall portions disposed alternately in a longitudinal direction of the ... | 04/09/2002 |
| 6367843 | Remote operable fastener and method of use At least one fastener and its method of use to securely fasten joints, preferably in pressure vessels, pipes, and other structures, intended to isolate internal volumes from the external environment, or in structural joints. The fastener preferably compri... | 04/09/2002 |
| 6264251 | Segmented flange coupler for grooved pipe A segmented flange coupler is disclosed for connecting the free end of a grooved pipe to a fitting having a flange connector. The segmented flange coupler is formed of end-to-end connected individual coupling segments which are configured to move both cir... | 07/24/2001 |
| 6050545 | Bulk container valve There is disclosed herein a bulk container valve adapted for use with a bulk container having a tubular spout. The valve comprises a plastic housing having an interior chamber connecting a front port to a rear port. The housing includes a rear fitting abo... | 04/18/2000 |
| 6030006 | Spring biased clamping device for flanged connections A clamp device for joining a flanged connection. The clamp device has a plurality of arcuate segments, wherein each of the arcuate segments has two ends. A pivot couples at least one end of each arcuate segment to another of the arcuate segments to produc... | 02/29/2000 |
| 5967564 | Tight coupling between two equipments such as pipes The connection or coupling between two equipments such as pipes (1 and 2) by a clamp (17) involves the use of a second clamp (8), tightened around the fixed pipe (1) and carrying a cradle (9) for supporting the clamp (17). This arrangement makes it possib... | 10/19/1999 |
| 5951066 | Connecting system for wellhead components A system for connecting wellhead components that are abutted in axial alignment in which each component has an increased external diameter circumferential hub portion at an end thereof, the system including a toroidal connector surrounding adjacently posi... | 09/14/1999 |
| 5908210 | Automated flange retaining clamp with redundant fasteners The present invention relates to an apparatus for securely fastening joints in pressure vessels, pipes, and other structures intended to isolate internal volumes from the external environment. It can join a blank cover to a pressure vessel or it can join ... | 06/01/1999 |
| 5873611 | Pipe clamping device A clamping device is disclosed for coupling peripheral flanges of a pair of tubular members together. The clamping device has a retaining member for coupling the peripheral flanges of the tubular member together, with first and second coupling ends being ... | 02/23/1999 |
| 5868442 | Pipe joint fixing ring The subject invention relates to a type of pipe joints fixing ring, comprising two master fixing blocks, an adjusting bolt connecting the two master fixing blocks, several slave fixing blocks, several connecting levers linking the master and slave fixing ... | 02/09/1999 |
| 5842526 | Sprinkler head mounting system A combination duct/extinguishing system includes a duct and plural sprinkler head assembly and mounting systems on the duct. Each sprinkler head assembly and mounting system includes port structure mounted on the duct defining a passageway into an area in... | 12/01/1998 |
| 5707089 | Device for pressing two flanges of a pipe connection against one another The device contains a tension chain with link plates (10) and thrust pieces (7) which are joined to one another via joints (9). Each thrust piece (7) has two flanks (5, 6) for abutting flanges (1, 2) of the pipe connection. The first of flanks (5) is tilt... | 01/13/1998 |
| 5653481 | Pipe clamp with live loading nut assembly A clamp with a live loading clamp nut assembly is provided for pipe joints and the like. The nut assembly includes a body member movable within a cage. A plurality of springs, such as spring washers, are employed in the cage to provide a stored spring ene... | 08/05/1997 |
| 5645303 | Compact pipe coupling device A pipe coupling device for coupling the peripheral flanges of a pair of pipes together, including a pair of retainers with gripping grooves therein for receiving portions of the peripheral flanges of the pipes. The gripping grooves of the retainers have a... | 07/08/1997 |
| 5513228 | Clamp for two tubular components, having a safety blocking device, and use of such clamp The clamping and locking device (18) of the clamp includes a screw (22) arranged in a direction which is transverse with respect to the articulated elements of the clamp and engaged through two blocks (19, 19') bearing on two articulated elements of the c... | 04/30/1996 |
| 5509702 | Low distortion pipe coupling device A pipe coupling device for coupling the peripheral flanges of a pair of pipes together, including a pair of retainers with a V-shaped groove therein for receiving portions of the peripheral flanges of the pipes. The retainers are pivotally coupled at one ... | 04/23/1996 |
| 5499849 | Device for forcing two conical flanges of a pipe coupling together under pressure A device for forcing two conical flanges (1, 2) of a pipe coupling together under pressure with a seal (3, 4) between them, comprises a clamping chain with several straps (23) joined together by hinges (10). Thrust pieces (9) each have two flanks for cont... | 03/19/1996 |
| 5301986 | Clamp A clamp for joining a pair of elements having generally circular flanges, the clamp including an inner flange engaging portion arranged to provide generally axially extending forces to said flanges for retaining them against one another when substantially... | 04/12/1994 |
| 5282654 | Pipe coupling sleeve A narrow, thin, metal strip is arranged around the periphery of the end portion of at least one of two pipes arranged in axial alignment for forming a coupled joint. The adjacent pipe end portions are provided with circumferential grooves. A coupling surr... | 02/01/1994 |
| 5277458 | Chains for pipe flange connections having an electric tightener A chain intended for pipe flange connections comprising successive, cross-sectionally U-shaped chain links 8, which are hinged directly to each other and form a ring sector-like contact area 14, 15, 17 and 18. At the contact point of the chain links 8, fo... | 01/11/1994 |
