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| Number | Title | Issue Date |
| 8020580 | Drain pipe connector for fluid filters The present invention is directed to a no-leak drain pipe connector for a fluid filter which helps prevent the splashing of hot fluid on individuals performing filter element and oil changes. ... | 09/20/2011 |
| 7546847 | Locking plug for closing the sidewall of a pipe A plug for closing an opening in the sidewall of a pipe, including a base member having a radial flange portion, a tubular portion and an annular elastomeric seal member slideably received on the base member tubular portion and in engagement with the flange portion.... | 06/16/2009 |
| 7357146 | Inflatable flow control apparatus and associated method An inflatable flow control apparatus and method for controlling the flow of a fluid through a drain passage are provided. The apparatus includes an inflatable bladder with first and second opposite sides and an outer surface extending between the sides. A plurality ... | 04/15/2008 |
| 7353839 | High temperature completion plug For use in closing a cylindrical passageway through a working member in which the passageway is defined in part by a reduced diameter internal circumferential sealing surface and an internal locking groove, a completion plug having a plug body with a cylindrical ext... | 04/08/2008 |
| 7350533 | Method for accessing a pipe and apparatus therefor Method and apparatus for accessing the inside of a pipe includes a valve which connects to the pipe, a riser pipe, and an operating rod for selectively opening and closing the valve. The apparatus further includes a 5.25 inch cylindrical housing having a removable c... | 04/01/2008 |
| 7338089 | Pipe interruption fitting A pipe interruption fitting having a flange is removable after pipe maintenance work has been completed. The fitting includes an upper reinforcing plate, an inner surface of which has a curvature corresponding to an outer surface of the pipe, and a vertical pipe wel... | 03/04/2008 |
| 7331215 | Deployment of equipment into fluid containers and conduits Apparatus for deploying equipment in a fluid container or fluid conduit comprises a fluid housing having an outlet aperture, the fluid housing being adapted to be secured to the container or conduit such that the outlet aperture is in fluid communication with an ape... | 02/19/2008 |
| 7325559 | Method for connecting a branch pipe to a main pipeline and underground network for distributing fluid Method in which the following operations are carried out: a) digging an exploration hole (8) in order to open up a main pipeline (2) which has an upper edge (10) which extends at an upper level (12) which is substantially con... | 02/05/2008 |
| 7311114 | Cross-line plugging system A method of providing access to the interior of a cross-line that intersects with a primary pipeline of equal or greater diameter, including the steps of attaching a branch fitting to the exterior of the primary pipeline on the side thereof opposite the point of int... | 12/25/2007 |
| 7310965 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 12/25/2007 |
| 7281543 | Apparatus, systems and methods for plugging a high temperature pipe A method of plugging a pipeline includes the steps of welding onto the exterior of the pipeline (10) first (12) and second (14) spaced apart collars, each having a sealing face (26,26A) in a plane perpendicular the pipeline (10) ax... | 10/16/2007 |
| 7270139 | Cam-assisted, wedge actuated, metal-to-metal seal, block and bleed plugging tool A system and method of plugging a pipe including sealably securing onto the exterior of a pipe first and second spaced apart collars, each collar having a sealing face in a plane perpendicular the pipe axis, cutting and removing a length of pipe from between the col... | 09/18/2007 |
| 7225827 | Insertion valve and installation method A valve assembly for insertion in a pipe containing fluid under pressure includes a valve body adapted to be assembled over the pipe and a valve-stopping mechanism that mounts on the valve body. The hollow valve body interior and an access opening in the valve body ... | 06/05/2007 |
| 7159412 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 01/09/2007 |
| 7073346 | Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 07/11/2006 |
| 7021165 | Sensor insertion and removal apparatus and methods using the same A sensor insertion and removal apparatus for inserting and/or removing a sensor into/from a chamber having at least one sensor port. The apparatus has a port collar configured to connect near to or at the sensor port of the chamber and to allow the sensor to pass th... | 04/04/2006 |
| 6976498 | Method of fitting a cable into a pipe A method of installing a cable or conduit into at least one plastic pipe of a fluid carrying pipeline system, comprises attaching a first saddle fitting at a first location on said plastic pipe by electro-fusion, opening the pipe at the first location, introducing t... | 12/20/2005 |
| 6957761 | Inertia or friction welding of conical components into elliptically-shaped holes in a pipe or tube A method of joining tubular structures using friction welding is disclosed. The invention provides a method of joining a first tubular structure having a conical contact surface to a second tubular member with an elliptical contact orifice by placing the conical sur... | 10/25/2005 |
| 6915896 | Cleaning drain apparatus for an auger assembly A drain apparatus for the intake end of an auger is disclosed. The drain apparatus comprises a bearing with radial arms, a cover with a cover portion, a drain and a drain cap for removably closing the opening of the drain. The drain apparatus facilitates a clean in ... | 07/12/2005 |
| 6902201 | Device and method for mounting a saddle hub on a pipe and corresponding tap The invention concerns a method whereby after the saddle hub (3) has been placed on the pipe (2a, 2b, 2c), the open and deformable ring (4) is closed back on the pipe, the screw (5) is folded down and th... | 06/07/2005 |
| 6892752 | Pipeline isolating device A pipeline isolating device for istallation into and occlusion of a pressurised liquid or fluid supply pipe comprising a substantially solid and deformable boot (1) wich is adapted to move between an expanded and an unexpanded state and a shaped plunger (2... | 05/17/2005 |
| 6889703 | Deployment of equipment into fluid containers and conduits Apparatus for deploying equipment in a fluid container or fluid conduit comprises a fluid housing having an outlet aperture, the fluid housing being adapted to be secured to the container or conduit such that the outlet aperture is in fluid communication with an ape... | 05/10/2005 |
| 6840266 | Interchangeable fitting The invention relates to an interchangeable fitting with a fitting housing (12), a removable measurement probe (14) which is movably guided axially in the housing (12) for insertion into a container, a shut-off element (16) which closes t... | 01/11/2005 |
| 6832624 | Plumbing tool and method for repairing a pipe therewith A plumbing tool includes an elongated hollow shaft and a resilient member attached to the shaft adjacent a shaft end. The resilient member extends radially outward and is sized to closely fit within a pipe inner diameter. Once the pipe has been cut, the tool is forc... | 12/21/2004 |
| 6820636 | Plumbing tool A plumbing tool and its method of use are disclosed wherein the plumbing tool includes a tube for insertion into a pipe beyond an area of such pipe that is to be soldered, such tube having an inflatable balloon structure at one end thereof. After the tube is inserte... | 11/23/2004 |
| 6745791 | Service tools for pipelines containing conduit or cable Pipeline stopping tools for use in temporarily stopping flow in a pipeline have features for centering a conduit or cable within the pipeline. The conduit or cable is guided into a recess, to avoid damage as the pipeline is squeezed closed. Alternative pipeline stop... | 06/08/2004 |
| 6736156 | Method and system for installing cable in pressurized pipelines A method of introducing a fiber optic conduit into a pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry port in a first drilling nipple attached to the pressurized gas pipeline. Tools are dep... | 05/18/2004 |
| 6691734 | Methods and systems for installing cable and conduit in pipelines A method, system and tools for introducing a fiber optic conduit into a pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry port in a first fitting attached to the pressurized gas p... | 02/17/2004 |
| 6691733 | Tapping connector and method of using same A tapping connector for a pipeline, vessel or the like wherein the connector has a membrane disposed therein. The membrane may be curved or arcuate and may be configured to offer a partially cylindrical profile that resembles the wall of a pipe. The tappi... | 02/17/2004 |
| 6691728 | Methods and systems for installing a pipeline within a pipeline A method of routing a new pipe duct into an existing pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry port in a first fitting attached to the pressurized gas pipeline. The transl... | 02/17/2004 |
| 6681795 | Methods and systems for installing cable and conduit in pipelines A method of introducing a fiber optic conduit into a pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry port in a first drilling fitting (18) (8, 70, 250, 300) attached to the pres... | 01/27/2004 |
| 6536463 | Method and system for installing cable in pressurized pipelines A method of introducing a fiber optic conduit into a pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry port in a first drilling nipple attached to the pressurized gas pipeline. To... | 03/25/2003 |
| 6516496 | Device for facilitating manual gripping of pipes and connectors A device for facilitating manual gripping of pipes and connectors includes first and second elements hingedly interconnected and biased open by a spring element. Each element includes a channel with projections deployed to define gripping features for gri... | 02/11/2003 |
| 6508267 | Plumbing tool and method for repairing a pipe therewith A plumbing tool includes an elongated hollow shaft and a resilient member attached to the shaft adjacent a shaft end. The resilient member extends radially outward and is sized to closely fit within a pipe inner diameter. Once the pipe has been cut, the t... | 01/21/2003 |
| 6357470 | Vessel and pipeline insertion tool A packer joint is provided for mounting on a vessel or pipeline entry valve which includes a stinger guide and seal. Clamping collet are mounted within the packer to retain the stinger in the desired position. Different metals within the guide body from t... | 03/19/2002 |
| 6338359 | Dual automatic insertion device A probe structure for inserting into and operating upon an object within a pipeline, especially a high pressure pipeline carrying liquid or gas, is characterized by two coaxial cylinders that can be either pneumatically or hydraulically actuated. A primar... | 01/15/2002 |
| 6307864 | Process and device for the baseband transcoding of digital information The symbols of a first code are represented by sign and magnitude bits in a manner analogous to the sign and magnitude bits representing the symbols of a second code. A memory stores digital samples partially representing coding pulses, and each pair of s... | 10/23/2001 |
| 6290432 | Diverless subsea hot tap system A diverless process of tapping a pressurized subsea pipeline without removing the pipeline from service. The process includes the steps of lowering and landing a measurement tool onto the pipeline in order to check ovality and straightness of the pipeline... | 09/18/2001 |
| 6290431 | Diverless subsea hot tap system with lateral pipe tie-in A diverless process of tapping a pressurized subsea pipeline without removing the pipeline from service. The process includes the steps of lowering and landing a measurement tool onto the pipeline in order to check ovality and straightness of the pipeline... | 09/18/2001 |
| 6286542 | Method and article of manufacture for inserting a locator wire into a subterranean, or otherwise concealed, pressurized plastic pipeline An improved method and article of manufacture for introducing a locator wire into an interior portion of a pressurized, or non-pressurized, subterranean or otherwise concealed plastic pipeline. The present invention introduces a locator wire into a plasti... | 09/11/2001 |
