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| Number | Title | Issue Date |
| 7677271 | Portable flexible and extendable drain pipe A flexible collapsible corrugated drain pipe has a corrugation structure that permits a tight bending radius and relatively facile collapsing and expansion of corrugations, thereby permitting convenient manipulation and installation of drain pipe and packaging, disp... | 03/16/2010 |
| 7597119 | Flexible and extendable hose for holding tank drainage A flexible collapsible corrugated sewer hose has a collapsible and expandable corrugated section providing durability, a tight bend radius and a relatively small collapse ratio. An expansion of the corrugations permits convenient manipulation and installation of the... | 10/06/2009 |
| 7549448 | Linearly retractable pressure hose A linearly self-actuated hose for use in transporting fluids (liquids, gases, solid particles, and combinations of these three). Hose (30) has a biasing spring (36) that extends along its full length, and can comprise single or multiple springs and/or ... | 06/23/2009 |
| 7347225 | Highly flexible multistructure tube A multi-structure pipe intended to transport a fluid, used in particular in oil production, including a first hollow and closed tubular structure having a set of substantially circumferential slits, each slit extending on an arc of more than 180° and defining a ten... | 03/25/2008 |
| 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 |
| 7319802 | Conduit insert for optical fiber cable A flexible innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable ... | 01/15/2008 |
| 7306012 | Retractable hose extension for a vacuum A retractable hose extension for a vacuum having an expandable hose within a containment structure, a first coupling at the first end of the hose and in the first end of the containment structure for connecting the hose to a vacuum, a valve at the second end of the ... | 12/11/2007 |
| 7276062 | Deflectable catheter with hinge A deflectable device, such as a catheter, is provided that includes a hinge that enhances the ability of the device to deflect or bend within a predetermined plane. The catheter comprises an elongated tubular catheter body having proximal and distal ends and at leas... | 10/02/2007 |
| 7234410 | Buoyancy control systems for tubes A buoyancy control system for controlling the buoyancy of a tube may includes generally tubular length of buoyancy control material having a selected buoyancy characteristic. The length of buoyancy control material may be attached to a section of the length of the t... | 06/26/2007 |
| 7182104 | Collapsible duct A duct for containing a cable and method for mounting the cable therein include providing the duct with a collapsible or flexible wall movable between a contracted condition for mounting the duct in a conduit and an extended condition of increased cross-sectional ar... | 02/27/2007 |
| 7179989 | Device for locating electric conductor cables A device for locating electric conductor cables that includes a sleeve designed to engage at least one end of a cable. The outer surface of the sleeve includes marks for identifying the cable concerned. The sleeve is flattened, and a section of the sleeve is closed ... | 02/20/2007 |
| 7178521 | Adjustable length breathing circuit A unilimb breathing circuit has a proximal end coupling member, a distal end coupling member, an expiratory tube extending between the proximal and distal end coupling members, and an inspiratory tube extending between the proximal and distal end coupling members. T... | 02/20/2007 |
| 7179876 | High tear films from hafnocene catalyzed polyethylenes A polyethylene film having a balance of improved physical and mechanical properties and a method for making the same are provided. In one aspect, the film includes a 1% secant modulus of greater than 25,000 psi, a dart impact resistance of greater than 500 g/mil, an... | 02/20/2007 |
| 7174074 | Conduit insert for optical fiber cable A flexible innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable ... | 02/06/2007 |
| 7172816 | High tear films from hafnocene catalyzed polyethylenes A polyethylene film having a balance of improved physical and mechanical properties and a method for making the same are provided. In one aspect, the film includes a 1% secant modulus of greater than 25,000 psi, a dart impact resistance of greater than 500 g/mil, an... | 02/06/2007 |
| 7163385 | Hydroimpedance pump A hydro-elastic pumping system formed from an elastic tube element having attached end members with different hydroimpedance properties, wherein the elastic element is pinched with certain frequency and duty cycle to form asymmetric forces that pump fluid. ... | 01/16/2007 |
| 7152632 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/26/2006 |
| 7152673 | Contractable and expandable tubular wellbore system A tubular system arranged in a wellbore, having an outer tube extending into the wellbore and a wall with at least one section of reduced bending stiffness, each section defining a hinge allowing the outer tube to move between a collapsed mode and an expanded mode. ... | 12/26/2006 |
| 7147007 | Variable stiffness bellows This invention relates to a flexible tube that includes a bellows having a plurality of convolutes formed in the wall of said tube and extending above the top surface of the tube, said convolutes being spaced from one another in the axial direction of the tube, wher... | 12/12/2006 |
| 7140406 | Device for compensating for pressure drop The invention relates to a device for compensating for pressure drop in a product pipe through which a liquid flows and a system comprising such a device. The device comprises a collapsible tube portion, which is connectible to the product pipe and is characterized ... | 11/28/2006 |
| 7085455 | Conduit insert for optical fiber cable A flexible innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through which the cable ... | 08/01/2006 |
| 7085458 | Fire resistant conduit insert for optical fiber cable A flexible fire resistant innerduct structure is configured to contain a cable within a conduit. The innerduct structure includes a pair of adjacent strip-shaped layers of flexible material that are joined along their longitudinal edges to define a channel through w... | 08/01/2006 |
| 7078615 | Cable guide sleeving structure An elongated sleeve structure for insertion and protection of elongated items within a duct is disclosed. The sleeve structure is formed from a flexible sleeve woven from warp and fill yarns to produce opposed layers in closely spaced relation. The layers have a com... | 07/18/2006 |
| 7069958 | Assembly and method for stiffening a flexible pipe An assembly and method for stiffening a flexible member according to which a stiffening member and an adapter surround the flexible member and an insert extends in an annulus between the adapter and the flexible member. ... | 07/04/2006 |
| 7066211 | Device for compensating for pressure drop The invention relates to a device for compensating for pressure drop in a product pipe through which a liquid flows, and a system comprising such a device. The device comprises a collapsible tube portion, which is connectible to the product pipe, and is characterise... | 06/27/2006 |
| 7059580 | Pinch valve suited for metals and other rigid materials A pinch valve is described wherein the critical flow path is modified to form a space between two opposing metal disks that transition between an open and a closed state. The disks are characterized by a spring constant and act like a diaphragm. A closure force is a... | 06/13/2006 |
| 7059840 | Energy-saving, anti-free flow portable pump for use with standard PVC IV tubing An apparatus for pumping fluid through tubing comprising a stop platen is disclosed. The stop platen is operatively arranged to depress a wall of the tubing along a section of a longitudinal axis of the tubing. The stop platen is narrower than the tubing along a tra... | 06/13/2006 |
| 7048010 | Drip irrigation system Low-pressure drip irrigation system, comprising a distribution pipe made of thin-walled sleeve collapsible when empty and designed to operate under hydraulic head up to 3 m H2O, having a plurality of holes in the walls thereof, a plurality of branch tubes... | 05/23/2006 |
| 7029356 | Buoyancy control systems for tubes Buoyancy control methods for tubes are described. In one embodiment, a buoyancy control method can include a composite tube and a buoyancy control material for controlling the buoyancy of the composite tube. The composite tube can include an internal liner an extern... | 04/18/2006 |
| 7017614 | Downspout extension A repositionable downspout extension is formed as an integral blow molded plastic component having three distinct sections. A downspout connector end merges with a corrugated extendible middle section which terminates in a drainage pipe connector. The downspout conn... | 03/28/2006 |
| 7017612 | Conduit for paint A paint conduit has a conduit wall enclosing an interior and a cleaning device that has a hose arranged in the interior and a pressurized fluid source connected to the hose. The hose is expandable at least in a radial direction of the hose and is inflated by the pre... | 03/28/2006 |
| 6991603 | Insertion tube device Insertion tube devices are disclosed. ... | 01/31/2006 |
| 6983768 | Insulation module, system and method for installation and manufacture Disclosed is a pre-formed insulation module (310, 320) for insulating a process component having opposed longitudinally extending contacting surfaces (390) extending along a length thereof and terminal contacting surfaces (337, 387) at each end ... | 01/10/2006 |
| 6978804 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/27/2005 |
| 6963031 | Sleeve assembly for receiving elongated items within a duct A sleeve assembly for receiving and protecting elongated items within a duct is disclosed. The sleeve assembly includes a plurality of separate and independent sleeves, each sleeve being woven from warp and weft filamentary members that form sidewalls surrounding an... | 11/08/2005 |
| 6957670 | Duct unit for air-conditioner An object of the present invention is to provide an air-conditioning duct unit capable of being made compact when transported to largely reduce the cost of transport inside and outside a building as well as the cost of transportation by a truck. A duct unit A... | 10/25/2005 |
| 6955189 | Garden hose assembly A garden hose assembly includes an elongated and flexible tubular member that includes an open first end, an open second end and a peripheral wall extending between the first and second open ends. A cross-section taken traversely to a longitudinal axis of the tubula... | 10/18/2005 |
| 6956088 | Polyethylene films with improved physical properties Metallocene catalyzed polyethylenes are found to have improved physical properties, improved processability and improved balance of properties. Surprisingly, there is a direct relationship between MD shrinkage, and MD tear. Additionally, MD tear is greater than TD t... | 10/18/2005 |
| 6949282 | Contoured crushable composite structural members and methods for making the same The present invention provides contoured crushable composite structural members and methods for making the same. The contoured structural members comprise composite materials sandwiching a support or stabilizing structure. The contoured structure can be provided by ... | 09/27/2005 |
| 6948527 | Pressure-actuated linearly retractable and extendible hose A linearly self-actuated hose for use in transporting fluids (liquids, gases, solid particles, and combinations of these three). Hoses (30) and (30b) have a biasing spring (36) extends along the full length, and can comprise single or mul... | 09/27/2005 |
