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| Number | Title | Issue Date |
| 8066032 | Apparatus for instantaneously terminating movement of flow material through a conduit An apparatus for rapidly terminating of the flow of any fluid or particulate material through a conduit responsive to predefined dangerous conditions. A particular application will terminate fuel flow through a large fuel supply conduit in a racing vehicle responsiv... | 11/29/2011 |
| 7886773 | Low pressure directional stop bypass device A low pressure directional stop bypass device including a saddle fitting having an axially extending tubular connection element having a connection element wall forming a lateral bypass port, a valve assembly connected with the axially extending tubular connection e... | 02/15/2011 |
| 7717137 | Internal pipe repair method and device A device and method for internally repairing pipes. The device consists of a reusable, elastomeric shell configurable for two, three, and four-pipe junctions. The design of the device aids in positioning the expandable shell over and helps seal off the leak area ins... | 05/18/2010 |
| 7597118 | Pneumatic pressure relief test plug The present invention provides a pneumatic test plug that seals a portion of a pipe section having a generally cylindrical internal pipe wall. In general, the pneumatic test plug includes an inflation valve mounted in the bladder wall of an inflatable bladder. The i... | 10/06/2009 |
| 7588053 | Inflatable plug with flange A system for restricting fluid flow through a conduit comprises a tapping saddle configured to couple to the conduit adjacent to an opening in the conduit, a valve coupled to the tapping saddle to allow selective access through the tapping saddle and the opening to ... | 09/15/2009 |
| 7520301 | Blocking assembly There is a need for people who handle hazardous materials to be able to effectively and efficiently block cesspits and/or pipes of various drainage systems in circumstances of for example, a chemical or liquid spill or a gas leak so as to prevent or limit flow of th... | 04/21/2009 |
| 7455077 | Inflatable plug with flange An inflatable plug insertable into a conduit and inflatable therein to restrict fluid flow comprises a bladder having an interior surface and an exterior surface and at least one fabric layer covering at least a portion of the exterior surface of the bladder. The in... | 11/25/2008 |
| 7370668 | Valve for winterizing a pool A valve assembly for use in winterizing a swimming pool closes to prevent pool water from entering into a pool pipe situated below the water line and opens to allow fluid or air to be pumped out of the pool pipes, including an adaptor having threads for attachment t... | 05/13/2008 |
| 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 |
| 7354483 | Device and method for transporting and delivering liquid chemical to inside natural gas pipeline A device for transporting and delivering chemical to interior walls of pipelines employs a pig having a tank which contains pressurized chemical therein. Operably connected to the tank is a nozzle which is equipped to deliver the chemical from the tank onto the inne... | 04/08/2008 |
| 7341317 | Locally reinforced hollow structural assembly A reinforced structural assembly is provided including a hollow structure having a cavity with a hole. A bag is inserted into the cavity using a tube. The bag has an end with an opening extending out of the cavity through the hole. A device injects a structural foam... | 03/11/2008 |
| 7339341 | Surgical camera robot The present invention is a miniature camera robot which can be placed entirely within an open space such as an abdominal cavity. The instant camera robot has pan and tilt capabilities, an adjustable focus camera, and a support component for supporting the robot body... | 03/04/2008 |
| 7325576 | Inflatable suction hose A flexible suction hose has supporting ribs that may be inflated to hold the hose open against suction for use and deflated to allow the suction hose to be folded or collapsed for storage and transportation. ... | 02/05/2008 |
| 7325574 | Rupture disc assembly for pneumatic plugs A rupture disc assembly for pneumatic plugs constructed and arranged to cooperate with an aperture in an end casting of the plug to expel excess air from the plug interior when a predetermined internal plug pressure is reached. The rupture disc assembly utilizes a r... | 02/05/2008 |
| 7325573 | Plumbing line test plug and method of use of the same A plumbing line test plug includes a plug body adapted to plug an interior diameter of a plumbing line. The body has a wet face, which is exposed to liquid when in use, and a dry face, which is opposed to the wet face. A flexible pressure responsive annular membrane... | 02/05/2008 |
| 7311120 | Expandable pipe stopper An expandable pipe stopper for inserting within a pipe having two rigid circular plates adapted to be inserted wholly within a pipe and an outwardly-expandable flexible seal located between peripheral surfaces of the plates so as to be capable of expanding radially.... | 12/25/2007 |
| 7296597 | Methods for sealing and isolating pipelines A method of performing a servicing operation within a pipeline comprises positioning a swellable component about at a desired location within a pipeline, exposing the swellable component to a swelling agent within the pipeline, expanding the swellable component into... | 11/20/2007 |
| 7267133 | Large scale tubular line kiting system A large scale cleaning plug (L) adaptable to be placed within an interior passageway (10) of a tubular system (14) includes a generally conically shaped element (C) having a first end (18) and an opposite second end (20). The width of the... | 09/11/2007 |
| 7264774 | Method and apparatus for sanitizing a drain A method of sanitizing a drain having a drain conduit with a drain trap therein and an improved floor drain for use in the method of sanitizing. The method comprises the steps of (a) temporarily blocking the drain conduit at a position downstream of the trap and (b)... | 09/04/2007 |
| 7243714 | Well provided with flexible production tubing A well having a bore hole extending from surface to an underground formation, a casing arranged in the borehole, a tubing hanger supported on the top of the casing, a packer arranged in the casing at a predetermined depth, and a tubing extending from the tubing hang... | 07/17/2007 |
| 7244331 | Method of producing an LTCC substrate with cavities having improved bondability A method of producing an LTCC substrate having improved cavity bondability is disclosed that involves providing a stack of green ceramic tape sheets having a cavity, placing a template having an opening corresponding to the cavity over the stack, placing a stretchab... | 07/17/2007 |
| 7240697 | Apparatus and method for isolating and testing a segment of pipelines An apparatus and method for isolating the end of a segment of pipe, which includes a substantially cylindrical body, having first and second ends, and a circumference slightly less than the inner diameter of the pipe segment; a pair of spaced apart inflatable seals ... | 07/10/2007 |
| 7225836 | Pipe plug A pipe plug apparatus configured for insertion into a section of pipe and adapted to radially expand so as to engage the inner surface of the pipe and form a positive seal therewith. The pipe plug is preferably configurable from a non-sealing configuration wherein r... | 06/05/2007 |
| 7216674 | Installation assemblies for pipeline liners, pipeline liners and methods for installing the same An installation assembly (20) for installing a liner (L) in a pipeline (P) comprises a double bladder assembly (22) including an inner bladder (26) having an installation end (26b) and a retrieval end (26c). An outer ... | 05/15/2007 |
| 7210364 | Autonomous robotic crawler for in-pipe inspection The specification discloses a robot for inspection adapted to travel virtually unlimited distances through small-diameter enclosed spaces such as conduits or ducts, preferably using a fluid-driven screw-drive propulsion system. The robot preferably includes a drive ... | 05/01/2007 |
| 7199545 | Robot for surgical applications The present invention provides a robot for use inside an open abdominal cavity during minimally-invasive surgery. The robot may include various sensors, imaging devices or manipulators. ... | 04/03/2007 |
| 7182103 | Tubular patch expansion apparatus with inflatable bladder A tubular patch expansion apparatus includes an elongated tubular bladder adapted to expand radially outwardly to expand an overlying tubular patch. A bladder setting assembly is secured to a first end of the bladder. The bladder setting assembly has a piston which ... | 02/27/2007 |
| 7169344 | Method of reinforcing at least a portion of a structure A system and method for reinforcing at least a portion of a structural member, including at least one chamber or compartment having an interior portion which substantially conforms to the dimensions and geometry of the structural member being reinforced; and a reinf... | 01/30/2007 |
| 7163028 | Multipurpose plumbing tool A multipurpose plumbing tool has a body at one end, a head at an opposite end and an intermediate neck portion connecting the body and head. The marginal end portion of the body is cut back to form a reduced section, a shoulder being formed at the junction of the re... | 01/16/2007 |
| 7153057 | Securable temporary manhole cover An improved temporary manhole insert for securing a manhole passageway having a generally cylindrical structure with an inflatable, ring like tube encompassing the outer rim of the rigid portion of the insert. The insert with the inflatable ring is placed within the... | 12/26/2006 |
| 7137465 | Crawler device A crawler device for traversing in a confined environment, searching victims or inspecting defections, comprises an elongated flexible drive shaft extending along a central axis between a proximal end and a distal end, a motor operatively connected to the drive shaf... | 11/21/2006 |
| 7126303 | Robot for surgical applications The present invention provides a micro-robot for use inside the body during minimally-invasive surgery. The micro-robot includes an imaging devices, a manipulator, and in some embodiments a sensor. ... | 10/24/2006 |
| 7124779 | Device for fastening a manoeuvrable plug for plugging of pipes Arrangement at a plug for sealing liquid- or gas-carrying pipes, comprising several slips (15) arranged peripherally on the plug, so as to allow them to be pushed up along a conical force ring (25) by means of a hydraulic cylinder (5), where the... | 10/24/2006 |
| 7081757 | Re-locatable partial discharge transducer head An apparatus (10) for detecting the occurrence of partial discharge in electrical equipment, such as high voltage transformers. The apparatus comprises a detecting means including an ultrasonic transducer (11) mounted at one end of an electrically insu... | 07/25/2006 |
| 7077195 | Borehole closure A borehole closure includes a supply line made of plastic and having formed therein a longitudinal passage between a feed end for inlet of an impregnating fluid and a discharge end. The supply line is formed with transverse passages, each covered by a sealing ring. ... | 07/18/2006 |
| 7073535 | Inflatable pipe plug An inflatable pipe plug having an improved mold-formed gripping surface and a method of fabricating the pipe plug. The pipe plug has a cylindrical elastic body with ends that are connected to rigid end caps by a swaging ring, the outer surface of the expandable elas... | 07/11/2006 |
| 7056051 | Inflatable device for displaying information A device for advertising, display of information, personalized messages, and the like. A flexible wall section contains displayed information, can be mechanically inflated and deflated, and can form three dimensional images. The device may be attached to any shaft-l... | 06/06/2006 |
| 7044432 | Fluid channel valve for use with a disposable cartridge in extracorporeal circulations A valve for the closure of fluid channels, in particular for use in disposable cartridges for extracorporeal circulations, having a valve body with a pressure channel, and a sealing cap, which can cooperate with the valve body in such a way that it closes off the en... | 05/16/2006 |
| 7042184 | Microrobot for surgical applications The present invention provides a micro-robot for use inside the body during minimally-invasive surgery. The micro-robot may include various sensors, imaging devices or manipulators. ... | 05/09/2006 |
| 7021337 | Plumbing test plug and method An improved screw in test plug covering the opening of a test plug opening adapted to removably secure inflatable test balls thereto for inflation therein for water column pressure testing, and deflation for release of the water before removal of the test plug and t... | 04/04/2006 |
