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| Number | Title | Issue Date |
| 8082947 | Separable ball valve apparatus and ball valve assembly A separable ball valve apparatus and ball valve assembly capable of selectively opening/closing a separable flow path are provided. The separable ball valve apparatus comprises a separable pipe member having a flow path through which fluid flows, a ball member havin... | 12/27/2011 |
| 8061385 | Combined safety valve A coupling frame formed at a connecting portion on an out-port side of a first safety valve, and a coupling frame formed at a connecting portion on an in-port side of a second safety valve are brought into contact with each other, directly or by causing a plate-shap... | 11/22/2011 |
| 7967026 | Coupling and decoupling assembly of pipe having double valve A coupling/decoupling assembly of a pipe which can selectively open/close a flow channel of the pipe is provided. In the coupling/decoupling assembly of the pipe, a first valve and a second valve are respectively joined with each end of a first pipe and a second pip... | 06/28/2011 |
| 7699074 | Valve assembly including first and second joined parts A double block and bleed valve assembly having a valve body with a bore. The bore has an opened and closed position by two valve arrangements to control fluid flow along a pipeline. ... | 04/20/2010 |
| 7090191 | Connector assembly A connector or a connector assembly comprises a fitting, a resilient sealing member, a plurality of protrusions, and a removable stripout layer. The fitting includes a socket. The protrusions extend from the fitting and are connectable to a mating connector. The res... | 08/15/2006 |
| 7063328 | Undersea hydraulic coupling with seal retainer An undersea hydraulic coupling member has a seal retainer that holds and secures a plurality of annular seals that may be removed from the coupling member together with the seal retainer. At least one of the seals is a pressure energized hollow metal seal. The seal ... | 06/20/2006 |
| 7028982 | Coupling member for a pipe coupling A coupling member has a spherical rotatable valve member is operatively installed therein so as to be movable in an axial direction of the coupling member, and so as also to be rotatable between the opening rotational position and a closing rotational position under... | 04/18/2006 |
| 6997041 | Dual slide gate valve and method for using same A method and device for pressure testing a pipe line is provided wherein a fitting is inserted into the pipeline by inserting male ends of the pipeline into female ends of the fitting to define a flow path through the fitting extending along a longitudinal axis. The... | 02/14/2006 |
| 6971589 | Reclosable fitment for connecting a reservoir to a dispensing appliance The present invention is directed to a device for the delivery of products, preferably cleaning products which comprise an active ingredient and more preferably cleaning products which comprise a surfactant. The device includes at least one liquid reservoir for cont... | 12/06/2005 |
| 6962347 | Metal backup seal for undersea hydraulic coupling A backup metal O-ring seal is retained around the outer diameter of a seal retainer of an undersea hydraulic coupling member to seal a leak path around the seal retainer. The metal O-ring seal may be seated on a shoulder on the seal retainer. The backup metal seal i... | 11/08/2005 |
| 6913048 | Apparatus for coupling two storage and/or transport units to a safety device A device couples two storage and/or transport units with a security device. By alternately using a single actuating device, the security device and a pivoting device react in such a way that connecting branches of the units which are coupled are placed in a lock pos... | 07/05/2005 |
| 6877527 | Arrangement for connecting and disconnecting two pipe sections of a fluid transfer system An arrangement for connecting and disconnecting two pipe sections in a fluid transfer system. Each section includes a butterfly valve with a disk pivotally mounted inside, rotating about a swivel axis between a closed position closing the cross-section of the fluid ... | 04/12/2005 |
| 6807979 | Device for coupling two storage and/or transport means with a cleaning device A device and method are provided for coupling two storage and/or transport units with a cleaning device. In one cleaning position, either before or after a transfer process, an area is provided between two connecting branches and at least one part of front flaps of ... | 10/26/2004 |
| 6616196 | Coupling having means which prevent separation A coupling having means which inhibit separation which is provided for transferring fluid, especially for refueling vehicles. The coupling includes a tubular housing, at least one locking element, in particular, a plurality of expandable collects having a... | 09/09/2003 |
| 6412518 | Apparatus for off-loading incoherent material from a container Apparatus for dispensing incoherent material from a container to an underlying user unit, comprising a conduit whose superior extremity can be placed in communication with an outlet of the container by means of a valve element comprising a shutter provide... | 07/02/2002 |
| 6382251 | Coupling with male half having internal pressure relief A coupling half comprising: a body; a principal valve seating against the body and unseating therefrom; a relief valve seating against the principal valve and unseating therefrom; and, a flush face sliding sleeve valve seating against the body and unseati... | 05/07/2002 |
| 6311745 | Systems and methods for dispensing powders A dispensing system for containing and dispensing powders, such as toner and developers, includes a dispensing container having an outlet and a chamber that contains powder. A fluidizing system introduces a gas into the chamber to increase the fluidity of... | 11/06/2001 |
| 6179001 | Quick connect coupling with concentric configuration A rapid-action coupling comprising a male part connected to a first and a third conduit and a female part connected to a second and a fourth conduit for releasable mutual connection of at least the first to the second conduit and also for releasable mutua... | 01/30/2001 |
| 6056011 | Pipe fitting provided with two ball valves, one of which with concavity, that are activated in a sequence and with quick release coupling means subordinated to the closing of both valves A fitting including two fitting parts connectable to respective pipes and provided with respective ball valves one of which with concavity, and a coupling device of the quick release type for the aforementioned fitting parts. It provides a functional inte... | 05/02/2000 |
| 6009901 | Dry disconnect coupling A dry disconnect coupling is provided for connecting one fluid conduit to another to form a continuous, essentially fluid-tight path. The coupling includes an adapter and a coupler which, when coupled together, define a flow passageway therethrough. The a... | 01/04/2000 |
| 5884660 | Means for transferring a flowable material A valve apparatus comprises two housings which can be alternatively connected to one another and separated from one another and possesses an orifice. Each housing holds a flap which is pivotable about an axis of rotation and has a disc and a pivot. The fl... | 03/23/1999 |
| 5884648 | Coupling valve apparatus and method A two-part coupling valve apparatus includes a first coupling part and a second coupling part which are mutually inter-engageable to open fluid communication through the coupling valve. The coupling parts can be disengaged from one another to discontinue ... | 03/23/1999 |
| 5810047 | Sub-sea coupling with conical seal A sub-sea coupling comprises a female coupler which accommodates a conical metal seal and an adjacent striker constituted by a sliding ring. The female coupler also includes a U-section seal outwardly of the striker. A male coupler has a forward probe wit... | 09/22/1998 |
| 5709243 | Low spill female coupling A female coupling member includes a body portion, a slideable sleeve positioned in the body portion and an axially extending stem valve sealingly engageable with the sleeve. Axial movement of the sleeve relative to the stem valve opens the female coupling... | 01/20/1998 |
| 5699823 | Breakaway coupling A breakaway coupling including first and second coupling parts secured together by releasable means, the releasable means permitting separation of the coupling parts in a given direction when exposed to a separating force in excess of a predetermined forc... | 12/23/1997 |
| 5690152 | Device for coupling containers A device for coupling two containers comprises a pair of connecting sleeves, each having closing flaps that can be moved from a closed position to an open position by a part-turn actuator, with the outer surfaces of each closing flap facing away from the ... | 11/25/1997 |
| 5603353 | Quick disconnect coupling A coupling contains a valve that can be opened or closed to allow refrigerant to pass therethrough. The coupling can be installed onto an air conditioning charging port by sliding a quick disconnect sleeve to a release position along a first end of a valv... | 02/18/1997 |
| 5488972 | Ball valve coupling This invention relates to an environmental coupling that reduces spillage to less than 1 mL. The coupling includes a first convex ball valve and a second concave ball valve. One ball valve includes flat surfaces on the ball and a retainer with "flats" tha... | 02/06/1996 |
| 5402826 | Coupling device A coupling device comprises a male coupling member and a female coupling member, each having outwardly extending ends which carry male and female sealing elements, respectively, formed with mating, spherical-shaped surfaces which are effective to force so... | 04/04/1995 |
| 5402825 | Ball valve coupling This invention relates to a flat ball valve coupling that reduces spillage to less than 1CC. The coupling provides numerous safeguards against spillage because one of the flat ball valves rotates and pulls away from the other flat ball valve. This elimina... | 04/04/1995 |
| 5379798 | Hydraulic coupling A hydraulic coupling comprising a first part having at least one check valve, a second part having at least one check valve, and a seal plate designed to be placed between the first and second parts. The first part, second part and seal plate are oriented... | 01/10/1995 |
| 5379793 | Ventless transfer valve and method for using same This invention describes a ventless transfer valve and the method of use to transfer of liquid chlorine from a supply cylinder mounted in a wheeled vehicle or at a yard location to smaller easily transportable cylinders without the discharge of a signific... | 01/10/1995 |
| 5304164 | Quick-changeover blood handling apparatus An apparatus for handling a patient's blood during a medical procedure which is convertible for use after the procedure for at least one further use. The apparatus comprises a reservoir having a port comprising at least one opening. A primary device, alig... | 04/19/1994 |
| 5295507 | Containment valve that allows contamination free transfer A containment valve with two butterfly valves at the juncture of a first port and a second port with the two valves pivoting on a common transverse axis. The ports may be coupled and uncoupled between a coupled mode and an uncoupled mode. In the uncoupled... | 03/22/1994 |
| 5284182 | Wiper for a rotary disk valve A rotary valve has a wiper member formed from an elastomeric material, the wiper member extending circumferentially of the valve seat, and, in an unstressed condition of the wiper member, extending radially inwardly of said valve seat, the wiper member be... | 02/08/1994 |
| 5095946 | Dry-break pipe coupling A dry-break pipe coupling includes a valve body and a quarter turn rotary valve such as a butterfly valve, plug valve, ball valve and the like, the valve body and the contained valve having been split transversely in a direction intersecting the Y--Y axis... | 03/17/1992 |
| 5088519 | Device for connecting two conduit parts A device for connecting two conduit parts, in particular two parts of a pollutant fluid circuit, comprises a first connector part enclosing a first valve member elastically urged towards a first valve seat to isolate a fluid outlet. A second connector par... | 02/18/1992 |
| 4989638 | Substantially leak-free disconnection apparatus A disconnection apparatus (88) comprises two disconnect members (12,14) which are interfaced to define a continuous channel (28,29) extends therethrough, and two cylindrical cartridges (84,86) slidably disposed in the channel (28,29). The channel (28,29) ... | 02/05/1991 |
| 4921013 | Coupling adapter The invention pertains to a coupling adapter for use with self-sealing valved coupling parts of the axially movable type for servicing and testing a fluid circuit. The adapter consists of a tubular body having a coupling end for connecting to the associat... | 05/01/1990 |
| 4899786 | Breakaway fluid coupling Separate valve bodies (16, 18) are connected by a sleeve (24). The joint (26) between the first body (16) and the sleeve (24) is detachable by bending forces and resistant to tension forces. The joint (32) between the second body (18) and the sleeve (24) ... | 02/13/1990 |
