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| Number | Title | Issue Date |
| 7748327 | Moving device in a pipe line A moving device in a pipeline, including: more than three segments, including a front segment, arranged in series; an extendable interconnecting element to connect adjacent segments; and an engaging force changing component to change engaging force of a segment that... | 07/06/2010 |
| 7685946 | Tubular transporter The tubular transporter for moving a submersible pump through a collecting pipe under a landfill has a set of wheels angularly mounted to a cylindrical housing in positions above a center of gravity of the transporter. The transporter has a screen at a suction end a... | 03/30/2010 |
| 7597048 | Self-propelled vehicle for use in a conduit A vehicle for travel through a conduit includes a forward and a rearward member, each member being provided with a wall-engaging mechanism for selectively engaging a wall of the conduit to hold the respective member in a stationary position within the conduit. Exten... | 10/06/2009 |
| 7441507 | Moving device in pipe lines A moving device in pipe lines is provided, which allows easy switching of moving/stopping and remote control of the switching by only electric wires enabling easy operation in the inside of small diameter pipe lines. The moving device 10 in pipe lines ... | 10/28/2008 |
| 7398736 | Bi-directional conduit traversing vehicle A vehicle (1) for travelling along a conduit (2) such as a pipeline having fluid flowing therein is disclosed. The vehicle comprises a first body carrying a first set of retractable bristles (12) for engaging an internal wall of the conduit such... | 07/15/2008 |
| 7372229 | 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. ... | 05/13/2008 |
| 7348892 | Pipe mounted telemetry receiver Methods and apparatus for receiving a telemetry signal with a receiver that is moveably disposed within a drillstring. In certain embodiments, the system comprises a surface module coupled to the upper end of a drillstring, an upper module detachably connected to th... | 03/25/2008 |
| 7343863 | Self-righting, bi-directional pipe caster An apparatus for transporting a payload along the inside of a substantially horizontal pipe. The apparatus includes vertically aligned upper and lower roller elements which are relationally pivotably connected to each other, both of which contact the inside surface ... | 03/18/2008 |
| 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 |
| 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 |
| 7188568 | Self-propelled vehicle for movement within a tubular member A self-propelled vehicle (20) for movement within a tubular member (22) includes propulsion mechanisms (28) distributed about a core element (24). Each of the propulsion mechanisms (28) includes a drive belt (28). A first pu... | 03/13/2007 |
| 7182025 | 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 plural... | 02/27/2007 |
| 7181985 | Conduit inspection apparatus and method There is disclosed a conduit inspection apparatus of a type adapted to be located within and transported along a conduit such as a duct, and a method of inspecting a conduit. In one embodiment, the conduit inspection apparatus (10) comprises a body ( | 02/27/2007 |
| 7178418 | Segment of a sensor-supporting element for a scraper-type device Disclosed is a segment (15) of a sensor-supporting element for a scraper-type device, which comprises at least two pairs of runners (16a, 16b) that are arranged essentially parallel behind each other. A support plate (20) re... | 02/20/2007 |
| 7165634 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 01/23/2007 |
| 7163065 | Combined telemetry system and method Telemetry systems and methods are disclosed for real time communication of information between multiple positions in a wellbore. ... | 01/16/2007 |
| 7147068 | Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 12/12/2006 |
| 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 |
| 7131344 | Device and method for inspecting inside of underground pipe line and method of inspecting concrete on inside of underground pipe line for deterioration A device for inspecting the inside of an underground pipe line which makes it possible to search for cavities on the outside of the underground pipe over the entire internal peripheral surface of the underground pipe, that is, not only upward of the underground pipe... | 11/07/2006 |
| 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 |
| 7048050 | Method and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells The steel drill string attached to a drilling bit during typical rotary drilling operations used to drill oil and gas wells is used for a second purpose as the casing that is cemented in place during typical oil and gas well completions. Methods of operation are des... | 05/23/2006 |
| 7044245 | Toroidal propulsion and steering system An apparatus comprises a body having a torus skin with inner and outer layers, and a drive system configured to propel the apparatus by moving the inner layer relative to the outer layer. The active skin propulsion system allows movement and steering of a device. A ... | 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 |
| 7036610 | Apparatus and method for completing oil and gas wells A method of drilling and completing a wellbore in a geological formation to produce hydrocarbons from a well comprising at least the following four steps: drilling the well with a retrievable drill bit attached to a casing; removing the retrievable drill bit from th... | 05/02/2006 |
| 7024314 | Sewerage pipe inspection vehicle having a gas sensor An apparatus and method for inspecting sewerage pipes, including in combination with a first mobile pipe vehicle, a gas sensor vehicle for detecting pipe ambient gas. The combination includes an interface cable conveying power and operably connecting the combination... | 04/04/2006 |
| 7000548 | Self-propelled carriage suitable for moving in a cylindrical gallery The invention relates to a self-propelled carriage suitable for traveling in a gallery of substantially cylindrical shape. The carriage comprises a chassis (1) made up of two wheel sets (14); a skip (10); and a horizontal longitudinal support ax... | 02/21/2006 |
| 6995677 | Apparatus and methods for monitoring pipelines A system for monitoring at least one parameter of interest relating to a flow conduit having a through passage and a fluid flow therein comprises at least one measurement station coupled to the flow conduit for taking a measurement relating to the parameter of inter... | 02/07/2006 |
| 6953086 | Bi-directional traction apparatus A traction apparatus (1) for propulsion along a bore comprises first and second traction members (6) having outwardly extending legs (14). A propulsion system for operating the traction members (6) comprises a turbine-driven shaft (7 | 10/11/2005 |
| 6935423 | Borehole retention device A borehole retention assembly for anchoring a well tool within a wellbore including a gripping assembly and an actuation assembly. The gripping assembly includes expandable members such that upon expanding the expandable members, the gripping assembly engages the wa... | 08/30/2005 |
| 6923273 | Well system The drilling system includes a work string supporting a bottom hole assembly. The work string including lengths of pipe having a non-metallic portion. The work string preferably includes a composite coiled tubing having a fluid impermeable liner, multiple load carry... | 08/02/2005 |
| 6917176 | Gas main robotic inspection system The present invention provides a long-range, untethered, live, in-pipe inspection system that includes a self-propelled train having a plurality of modules; joint members for interconnecting adjacent modules, data collection components, and wireless communication co... | 07/12/2005 |
| 6910533 | Mechanism that assists tractoring on uniform and non-uniform surfaces A six-bar linkage mechanism for conforming to the configuration of a tractored surface having a central link defined by a tool body and a saddle link spaced from the central link and movable for conforming with the tractored surface. A pair of front links each havin... | 06/28/2005 |
| 6887014 | Robotic apparatus and method for treatment of conduits A robotic apparatus and method for treatment of system of conduits and lateral sub-conduits comprising a remotely controlled robotic vehicle which navigates main conduits which delivers a series of tools to locations within the conduit. The mule's tools comprise a v... | 05/03/2005 |
| 6832873 | Installation vehicle In order to facilitate, and largely to automate, the installation of cable supports on a duct wall, an installation vehicle can be displaced in the duct. The vehicle has a basic body which contains a storage battery and on which are mounted wheels. At least one of t... | 12/21/2004 |
| 6769321 | Conduit traversing vehicle A vehicle (1) for travelling along a conduit (2) having fluid flowing therein is described. The vehicle comprises a forward set of resilient bristles (12) and a rear set of bristles (18) which are adapted to move towards and away from the... | 08/03/2004 |
| 6672222 | Robotic internal gauge with contact at right angles to the oil pipeline Robotic, preferably cylindrical equipment having the capacity to move within a pipeline or other confined space in both directions and to carry out miscellaneous operations, pulling along an umbilical and carrying accessories, tools, or materials. It incl... | 01/06/2004 |
| 6450104 | Modular observation crawler and sensing instrument and method for operating same A robotic apparatus adapted for locomotion in an enclosed space such as a pipe includes a combination of articulated gripping and locomotive modules. Each gripping module includes an actuator mechanically linked to gripping members such that axial forces ... | 09/17/2002 |
| 6431079 | Surface traversing vehicle A vehicle for traversing a surface, for example for carrying out an inspection, survey or maintenance operation upon that surface, includes two or more bodies interconnected by structure for moving the bodies towards and away from each other, each of the ... | 08/13/2002 |
| 6427602 | Pipe crawler apparatus A pipe crawler apparatus particularly useful for 3-inch and 4-inch diameter pipes is provided. The pipe crawler apparatus uses a gripping apparatus in which a free end of a piston rod is modified with a bearing retaining groove. Bearings, placed within th... | 08/06/2002 |
