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| Number | Title | Issue Date |
| 8083865 | Tube lancing machine A pair of parallel metal lances is driven by a transversal drive into and out of heat exchanger tubes. The lances are supported by a plurality of spaced apart, retractable door supports so that the transversal drive mechanism can approach the tube sheet of the heat ... | 12/27/2011 |
| 7736443 | Endoscope washer disinfector equipped with nozzle connectable to endoscopic channels automatically In an endoscope washer disinfector, a bath comprises a mounting plane on which an endoscope with a duct is mounted and a wall member. A connector has two ends consisting of one end located to penetrate through the wall member and to be secured watertightly to the wa... | 06/15/2010 |
| 7610924 | Apparatus for coating and deposit removal inside large diameter tubes An apparatus for cleaning the interior sidewall of a large diameter tube includes a centrally-apertured circular brush plate adapted to fit within a lumen of the tube. A fluid conduit is mounted in the aperture so that an upper part of the fluid conduit is positione... | 11/03/2009 |
| 7530363 | High pressure tube cleaning apparatus An assembly for rotating and axially directing a high pressure spray hose and spray head to clean residue from tubing bores. Modular, remotely controlled subassemblies are concentrically aligned and mounted to a hose drive framework to rotate in synchrony and direct... | 05/12/2009 |
| 7421757 | Pump valve mechanism A method for cleaning tubes and heat exchangers provides an oscillating pump/valve mechanism to provide a periodic waveform of shocks to fouled tubes. Preferably, a pair of pneumatic control valves operates an actuator to oscillate a valve within a valve block, and ... | 09/09/2008 |
| 7371289 | Cleaning and doping of tubulars Apparatus for cleaning and doping a pin 2 of a tubular 3 during the making or breaking of a string on a well platform. The apparatus comprises a housing 4 having first and second conosed ends 6,7 and arranged in used to be secured at its ... | 05/13/2008 |
| 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 |
| 7305998 | Mobile flushing unit and process In one embodiment of the invention, a method of cleaning a workpiece is disclosed. The method comprises providing a mobile flushing unit and servicing the workpiece as follows: a) connecting a flexible hose of the mobile flushing unit to one end of the workpiece and... | 12/11/2007 |
| 7306001 | Cleaning apparatus with cavitation enhancement unit A method for cleaning tubes and heat exchangers provides a cavitation enhancement unit between a source of pressurized fluid an a lance. The pressurized fluid flows through jets, which impart a high speed rotation to a set of propellers, preferably square in profile... | 12/11/2007 |
| 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 |
| 7267503 | Ice and snow removal tool An ice and snow removal tool includes a telescopically adjustable pole with cross members attached to one end. A container is suspended from one end of the cross member and a brush is attached to the opposite end of the cross member. A cable extends along the pole t... | 09/11/2007 |
| 7252095 | Mobile flushing unit and process In one embodiment of the invention, a method of cleaning a workpiece is disclosed. The method comprises providing a mobile flushing unit and servicing the workpiece as follows: a) connecting a flexible hose of the mobile flushing unit to one end of the workpiece and... | 08/07/2007 |
| 7246628 | Method for cleaning floor drains A method for controlling Listeria in floor drains wherein an aqueous solution composed of a chlorinated caustic material which is soft metal compatible is introduced into a drain where Listeria is present. In a preferred manner, the aqueous solution is... | 07/24/2007 |
| 7198052 | Mobile flushing unit and process In one embodiment of the invention, a method of cleaning a workpiece is disclosed. The method comprises providing a mobile flushing unit and servicing the workpiece as follows: a) connecting a flexible hose of the mobile flushing unit to one end of the workpiece and... | 04/03/2007 |
| 7188784 | Automatic rain gutter flushing system An eave gutter is provided. A downspout is operatively coupled to the gutter. A plurality of spraying components has fittings and nozzles. The fittings and nozzles are positioned at spaced locations along the gutter. A conduit couples a fluid source and the fittings... | 03/13/2007 |
| 7178534 | High pressure tube cleaning apparatus An assembly for rotating and axially directing a high pressure spray hose and spray head to clean residue from the bores of thermal transfer tubes. Modular subassemblies are concentrically aligned and mounted to rotate in synchrony and direct a high-pressure water h... | 02/20/2007 |
| 7165564 | Device for cleaning installations and related methods A device having at least one cleaning unit for cleaning installations, especially for the production and/or processing of food stuffs or pharmaceuticals is provided. The device may include a cleaning unit that is configured to move within the installation to be clea... | 01/23/2007 |
| 7159600 | Scarifying apparatus for interior surface of pipeline field The invention relates to an apparatus for scarifying the interior surface of a sewer pipe. The apparatus consists of a chassis, with an outer frame coupled to the chassis and an inner frame slidably coupled to the outer frame. Two extendible arms are attached to opp... | 01/09/2007 |
| 7117959 | Systems and methods for remotely determining and changing cutting modes during decoking A decoking system that not only enables an operator to remotely switch the coke-cutting process from boring to cutting mode without removing the drill stem from the coke drum, but also to remotely determine the drill stem's mode so that efficiency, safety and conven... | 10/10/2006 |
| 7100622 | Pipe scarifier A scarifier for scarifying an interior surface of a sewer pipe, which includes an elongated frame having spaced apart upstanding frame elements at either end forming a plurality of guide surfaces on each side. A first track extends from one end of the frame to anoth... | 09/05/2006 |
| 7094293 | Device and method for mechanical cleaning of grooves A device for mechanically cleaning a grooves used to hold a rotor or a stator winding of an electric machine includes an axially moveable device carrier and at least one cleaning tool connected to the device carrier and extending radially from the device carrier int... | 08/22/2006 |
| 7089949 | Apparatus for maneuvering a device within the interior of storage tanks An apparatus for attachment to a commercially available cleaning wand for maneuvering the wand inside a storage tank. Two arms each have an end pivotally connected to a handle and another end pivotally connected to the wand to form a four bar linkage. A gimbal arran... | 08/15/2006 |
| 7055536 | System and method for cleaning a feed dispenser A cleaning system for a livestock feeding device which unclogs blockage without the need for a workman to enter the feed dispensing area. The system includes at least two swiping arms which are positioned at a lower area of the feed system. The system is environment... | 06/06/2006 |
| 7055533 | Apparatus and method for cleaning HVE conduits An apparatus for dispensing misted cleaning or disinfecting solution at one or more atomizing discharge ports for cleaning suction conduits, such as HVE conduits. The apparatus includes a venturi valve to extract concentrated cleaning/disinfectant fluid from a stora... | 06/06/2006 |
| 7044226 | Method and a device for removing a hydrate plug A method and a device for removing a hydrate plug (38) from a pipeline (16), wherein a pig (1), which is connected to an umbilical (2) extending to surface, is displaced down into the pipeline (16) until proximity of the hydrate pl... | 05/16/2006 |
| 7040331 | High pressure tube cleaning apparatus An assembly for rotating and axially directing a high pressure spray hose and spray head to clean residue from the bores of thermal transfer tubes. The assembly includes a number of subassemblies that are concentrically aligned and mounted to rotate in synchrony and... | 05/09/2006 |
| 7017593 | Pipe washing method and pipe washing apparatus A micro device in which a functional element can be moved between an operating position and a waiting position by the displacement of support means coupled to a substrate. The micro device has a cantilever structure in which one end of support means is made a fixed ... | 03/28/2006 |
| 7013926 | Plumbing leak testing apparatus A plumbing 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 is disclosed. The pipe plug is adapted with a conduit having a check valve ... | 03/21/2006 |
| 7011158 | Method and apparatus for well bore cleaning Apparatus connected to the downhole end of a tubing string for cleaning and flushing wells has a threaded connection to the string and at least one primary jet to direct circulating gases toward the downhole end of the well, together with a plurality of secondary je... | 03/14/2006 |
| 6926027 | Fluid hose-supporting system for truck Fluid hoses associated with land vehicles, such as a truck, are supported on the vehicle by a spring-biased reel mounted beneath the truck. Desired tension is maintained on the hoses by the spring loading of the reel whereby the hoses are maintained in a desired loc... | 08/09/2005 |
| 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 |
| 6901966 | Seal device for tubular member A seal device is constituted of a plurality of seal tubes. After a connected-tube body having base members disposed at a fore end and a rear end is inserted into a fluid passage such as a tubular member, the seal tubes are expanded by injecting gaseous nitrogen into... | 06/07/2005 |
| 6895957 | Range hood cleaning assembly A range hood cleaning assembly having a primary reservoir in fluid communication with a range hood motor housing. Wash fluid from the primary reservoir may be dispersed against grease laden surfaces of the fan and motor housing where it drains back to the primary re... | 05/24/2005 |
| 6886206 | Scraper for inhibiting corrosion in the arch of a pipe carrying a multiphase corrosive liquid A method for inhibiting corrosion (18) in the arch of a pipe (10) carrying a multiphase corrosive liquid containing a liquid phase (12) which flows off at the lower part of the pipe (10) and a gaseous phase (14) which flows off at ... | 05/03/2005 |
| 6857158 | Apparatus for cleaning the interior of pipelines An apparatus for removing deposits from the interior surface of a conduit while being advanced through the conduit by virtue of pressurized upstream liquid includes front and rear assemblies interconnected in a manner to permit limited movement there between. The re... | 02/22/2005 |
| 6851422 | Cleaning fluid heating reservoir and motor assembly for a range hood A cleaning fluid heating reservoir and motor assembly for a range hood having a motor housing enclosure mounted within the enclosure defined by the hood body. The heating reservoir is shaped and dimensioned to be in abutment with, or is integral with, the motor. The... | 02/08/2005 |
| 6787111 | Apparatus and method for filling and cleaning channels and inlet ports in microchips used for biological analysis An apparatus for filling and cleaning channels and inlet ports of a microchip substrate is disclosed. A device of the apparatus comprising an array of tubes is inserted into each of the inlet ports of the microchip. The array of tubes of the device comprises a plura... | 09/07/2004 |
| 6772775 | Sootblower mechanism providing varying lance rotational speed A drive assembly for a sootblower which provides a non-constant rate of rotational motors of the lance tube through the use of non-circular gears in the drive assembly. The drive assembly is used to provide a uniform or near uniform rate of progression of a jet of c... | 08/10/2004 |
| 6772774 | Method and device for washing drain pipe A method and a device for washing a drain pipe allowing a nozzle to be rotated along the inner peripheral surface of a pipe even in a lateral pipe, wherein the positions of a plurality of injection holes (10, 11, 12, and 13) formed in the nozzle (1 | 08/10/2004 |
| 6712068 | Cleaning fluid heating reservoir and motor assembly for a range hood A cleaning fluid heating reservoir and motor assembly for a range hood having a motor housing enclosure mounted within the enclosure defined by the hood body. The heating reservoir is shaped and dimensioned to be in abutment with the motor which in turn is mounted w... | 03/30/2004 |
