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| Number | Title | Issue Date |
| 7361077 | Tube and duct edge cleaner An apparatus for cleaning a portion of a tubular member comprises a platform; a motor operatively connected to a shaft; a first sliding base driven by the shaft to revolve generally parallel to the platform; a first pinch thumb, including an outer surface, mounted o... | 04/22/2008 |
| 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 |
| 6467121 | Rotary tube scrubber A tube scrubber comprises an elongate body symmetrical about its longitudinal axis, having a central core with threaded stem for connection to a rotary driving device, and a plurality of flexible arms or webs extending outward from the central core and te... | 10/22/2002 |
| 6076371 | Frozen beverage storage and dispensing apparatus Improved apparatus for storing and dispensing material, such as a beverage, in at least a partially frozen state. The apparatus includes a tank in which the material is stored under pressure and a manually operable valve for controlling the dispensing of ... | 06/20/2000 |
| 6058546 | Motorized chimney sweep A motorized chimney sweep having a battery, a DC motor with twin drive shafts extending therefrom in opposite directions in a horizontal orientation, and two debris impacting members attached near a distal end of each drive shaft which are rotated through... | 05/09/2000 |
| 5114685 | Catalyst recovery trough for unloading multi-tube reactors with maximum dust containment A catalyst trough containing multiple guide tubes in registry with the tubes of a multi-tube catalytic reactor is utilized to unload catalysts therefrom with maximum dust containment and maximum catalyst recovery. The catalyst recovery trough contains an ... | 05/19/1992 |
| 5041124 | Apparatus and method for sclerosing of body tissue A method and apparatus for sclerosing tissue located within an organ, e.g., the gall bladder, of a living being. The apparatus comprises a catheter having a rotatable working head at its distal end. The working head includes an extendable tissue engaging ... | 08/20/1991 |
| 4938167 | Self-propelled vehicle for use in pipes A self-propelled vehicle for use in performing work inside pipes of piping systems, for example, for cleaning or coating the inner surface of the pipe includes at least three traveling assemblies connected to the body of the vehicle by parallel link assem... | 07/03/1990 |
| 4795495 | Sewer cleaning device A sewer cleaning device having an inlet nozzle assembly at one end for securing to a sewer jet and a sealed nozzle assembly oppositely disposed therefrom with water flowing from the sewer jet through each nozzle assembly and cables secured to a central ho... | 01/03/1989 |
| 4705107 | Apparatus and methods for cleaning a well A system for cleaning wells with coil tubing, a fluid motor and cutter heads. The invention allows equipment used to clean boiler tubes or heat exchangers to effectively remove downhole deposits from the inside diameter of well tubulars.... | 11/10/1987 |
| 4594745 | Apparatus for cleaning chimneys This invention relates to the cleaning of chimneys such as those of wood burning fireplaces. An electric motor is supported from a frame. In one mode of operation, the frame is supported in a chimney by a long rod which is along the line of the axis of th... | 06/17/1986 |
| 4561214 | Abrading tool An abrading tool for any grinding, lapping, polishing or burnishing purpose (e.g. dental applications) has a rotary holder whose shank can be rotated (e.g. in a chuck connected to a motor) and a plurality of angularly equispaced elongate pieces projecting... | 12/31/1985 |
| 4181998 | Tube cleaning apparatus A tube cleaning apparatus comprising a frame for attachment to a rotatable drive shaft, and a plurality of arms connected to the frame for movement between an extended position and a retracted position. The apparatus also comprises a plurality of cutter h... | 01/08/1980 |
| 4126910 | Machine for treating the internal surfaces of bowl-shaped bodies A machine for washing the internal surfaces of hollow bowl-shaped bodies has a housing whose cover is movable between open and closed positions and has devices for releasably holding and centering a body thereon. The housing supports a driven shaft which ... | 11/28/1978 |
| 3996637 | Apparatus for cleaning the inside of ingot molds or other hollow bodies having interiors of varying shapes and sizes The particular embodiment of the invention disclosed herein is specifically designed to clean the inside of a hollow body, especially, that of an ingot mold. For this purpose, the invention provides a cleaning apparatus comprising mainly a rotating means,... | 12/14/1976 |
