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| Number | Title | Issue Date |
| 7725978 | Drainage structure cleaning apparatus An apparatus for cleaning a culvert includes a rod pushing and pulling machine, a rod string made from a series of extension rods coupled end to end, which rod string is mounted at a proximal end to the rod pushing and pulling machine. A debris removal tool is mount... | 06/01/2010 |
| 7721375 | Drainage structure cleaning tool A tool for cleaning a drainage structure comprises a rod having a center longitudinal axis, a barrel housing having a proximal opening and a distal opening, the barrel housing having a center longitudinal axis and coupled coaxially to the rod, the barrel housing hav... | 05/25/2010 |
| 7398785 | Method for cleaning a culvert A tool for cleaning a culvert comprises a rod having a center longitudinal axis, a housing having a center longitudinal axis and coupled coaxially to the rod, the housing having an interior chamber, the housing has an outside dimension that can be accommodated withi... | 07/15/2008 |
| 7367077 | Drain cleaning apparatus Drain cleaning apparatus comprises a housing in which a drain cleaning cable is coiled and from which the cable is displaced for introducing an outer end of the cable into a drain to be cleaned. The housing is stationary and the cable is rotated about its axis relat... | 05/06/2008 |
| 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 |
| 7222383 | Torque limiting drive pulley for a belt driven drain cleaning machine A belt driving pulley, as typically used in a belt driven, drum-type drain cleaning machine and/or any other belt driven machinery, is disclosed wherein slippage between the pulley and the motor drive shaft occurs if a predetermined resisting torque is applied to th... | 05/29/2007 |
| 7137308 | Sliding pipe plug A sliding pipe plug for working on and testing pipes is presented. The sliding pipe plug includes a center portion and a gasket disposed about the central portion. When towed through the pipe, the sliding pipe plug maintains a substantial seal against water flowing ... | 11/21/2006 |
| 7089623 | Apparatus for cleaning channels for air conditioning and other purposes The present invention concerns an arrangement for cleaning ducts and chimneys, such as air conditioning ducts. The arrangement comprises a guide wire cable having a cleaning end and a feed end, a brush or some other tool being connected to the cleaning end of the gu... | 08/15/2006 |
| 7073224 | Telescopic polygon radial drive coupling for a drain cleaning machine A coupling assembly for a portable drain cleaning machine includes a polygonal adapter mounted to a motor output shaft through a threaded interface. A polygon adapter threads over the motor output shaft in a locked male/female relationship to transmit rotation there... | 07/11/2006 |
| 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 |
| 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 |
| 6820653 | Pipe inspection and repair system A multi-module pipe inspection and repair device. The device includes a base module, a camera module, a sensor module, an MFL module, a brush module, a patch set/test module, and a marker module. Each of the modules may be interconnected to construct one of an inspe... | 11/23/2004 |
| 6775873 | Apparatus for removing hair from a drain An apparatus for removing hair from a drain consists of an elongate, flexible strip with an attached handle. A number of barbed portions are dispersed along the length of the flexible strip, with the barbed portions alternating along the two sides of the strip. The ... | 08/17/2004 |
| 6760948 | Snap latch drum release for a drain cleaning machine A snap latch drum release assembly includes a multiple of latches which engage the inner diameter of a plate spaced away from a rotary drum to lock and unlock the rotary drum of a drain cleaning machine without the need for tools. As the latches engage a plate on th... | 07/13/2004 |
| 6751881 | Deflection gauge dislodging system A deflection gauge dislodging system for performing deflection tests of pipes while permitting the deflection gauge to be readily dislodged from the interior of the pipe should it become stuck in the pipe. The deflection gauge dislodging system includes an elongate ... | 06/22/2004 |
| 6637064 | Drain cleaning apparatus with remotely adjustable feed control A drain cleaning apparatus has a remotely adjustable cable feed control. The drain cleaning apparatus includes a rotatable cable drum that carries a drain cleaning cable. Also included is a cable advancing mechanism. The cable is adapted to pass from the ... | 10/28/2003 |
| 6594849 | Plumbing device The invention comprises a drain cleaning apparatus having a flexible forward tubular portion and a rigid real-ward tubular portion. The flexible portion is coupled to a drain pipe of a building connected to the sewer line, after the elbow connection betwe... | 07/22/2003 |
| 6523554 | Street sewer passive clean-out system A street sewer passive clean-out system is provided as a system and method to aid municipal workers in the cleaning of street sewers. A net type screen is provided on the end of a fiberglass pole. The pole would be variable in length from eight feet to si... | 02/25/2003 |
| 6499173 | Culvert cleaning apparatus An apparatus for cleaning culverts and the like, and the apparatus has a longitudinal beam having a first end and a second end, adjustable support legs secured to said first and second ends of the beam, a carriage movably mounted on the beam between the s... | 12/31/2002 |
| 6421871 | Pipe clearing apparatus A pipe cleaning apparatus which includes an elongated housing having first and second ends with a peripheral wall extending therebetween. Each of the ends includes an opening therein. An elongated drive member has first and second ends, with the first end... | 07/23/2002 |
| 6343398 | Drain cleaning apparatus with feed control A drain cleaning apparatus which feeds a drain cleaning snake from a rotating drum through a flexible guide tube and a manually operable cable feed device is provided at the outer end of the guide tube for selectively axially advancing or retracting the s... | 02/05/2002 |
| 6237177 | Vehicular storm drain cleaning apparatus The apparatus includes a water tight vehicular body of a low profile. A user controls the vehicle from a forward cockpit. The cleaning apparatus further includes both forward and rearward booms. The forward boom has a slurry trap interconnected to its for... | 05/29/2001 |
| 6199576 | Bi-directional cleanout with backflow preventer The invention is a bi-directional cleanout for pipelines such as sewer pipelines and a bi-directional cleanout with a built in backflow preventer. The backflow preventer is a check valve which allows fluid to flow in one direction, but not in the other di... | 03/13/2001 |
| 6187105 | Method of removing deposits from a conduit wall A method of cleaning a conduit including a downpipe by removing deposits from a removal area in the downpipe, comprising the steps of introducing a milling cutter into the conduit below the removal area and rotatingly driving the milling cutter by a flexi... | 02/13/2001 |
| 6179928 | Disposable toilet drain unclogger An apparatus having a handle and a plurality of elongated loops connected to the handle provides a means for unclogging a toilet or sink drain of an impediment. In the preferred embodiment, the apparatus is long and slender in profile to fit within a toil... | 01/30/2001 |
| 6176644 | Pipe rehabilitation test mandrel A rehabilitation system has been developed for cleaning, testing and slip lining pipe particularly sewer lines while in service. The system includes the use of equipment adapted for use on mobile vehicles to increase efficiency and mobility of the system.... | 01/23/2001 |
| 6158076 | Feed control devices for hand operated drain cleaning tools A hand held and hand operated drain cleaning tool including a drain cleaning cable coiled in a drum and having a support for holding the drum in one hand while rotating the drum with the other through a crank on the drum is provided with a cable feeding d... | 12/12/2000 |
| 6131229 | Pipe cleaning apparatus A rope includes a head at a first end, and a handle at a second end. The rope comprises wire strands within a flexible coating. The coating terminates before the head, exposing the strands at the head. The head is generally cone shaped, having a narrowest... | 10/17/2000 |
| 6128799 | Conduit interior smoothing device A smoothing device, according to the present invention, is used to perform smoothing in a conduit line, or the like. The smoothing device has a fluid pressure motor with a cutter attached to its output shaft and guide rollers for guiding the smoothing dev... | 10/10/2000 |
| 6099657 | Method for cleaning a pipe A method for cleaning a pipe using a swab that can be made of one or multiple tires connected to one or more cables and pulled through the host pipe during the cleaning process. The cables are attached to rigid plates mounted in the central opening of the... | 08/08/2000 |
| 6058547 | Device for removing objects from enclosed areas A device for removing objects from a contained area or pipeline. A cutting means comprising at least one rotating, semi-rigid cutting arm of sufficient diameter, length, and material such that it is rigid enough to cut an object while having sufficient fl... | 05/09/2000 |
| 5996159 | Waste line inspection and clean out device with water jet head A power driving waste line clean out tool which includes an elongated flexible coil spring formed from an elongated spring wire that is helically wound about a flexible water conduit. The water conduit provides water under relatively high pressure to a un... | 12/07/1999 |
| 5987684 | Urinal auger The present invention is an auger intended for, but not restricted to, clearing obstructions from urinal drains, without requiring removal of a urinal fixture from a wall. It includes a wire cable, a wire cable storage drum, at least one guide shaft along... | 11/23/1999 |
| 5953782 | Cutting head for a pipe cleaning assembly Described is a cutting head for a pipe cleaning assembly. The cutting head has a cutting head housing and at least two cutting head blades pivotally supported at the cutting head housing in the manner of scissors and biassed into a spreaded normal positio... | 09/21/1999 |
| 5950271 | Swab for cleaning and plugging pipe lines A tire swab is provided for cleaning pipes. The swab is a tire with steel plates mounted against its sidewalls. Flexible yokes connect the plates to a cable which is used to pull the swab through the pipe. A pipe is placed through the center of the plates... | 09/14/1999 |
| 5901401 | Feed control device for plumbing tools A feed control device particularly suited for mounting on a hand held, power driven drain cleaning apparatus having an elongate rotatable snake comprises a tubular housing having a transverse wall therein provided with a passage for the snake, a pair of d... | 05/11/1999 |
| 5875508 | Hydrostatic sewer cleaning machine A hydrostatic sewer cleaning machine for driving a cable and cleaning tool in from 6 inch to 30 inch diameter sewer lines. The sewer cleaning machine comprises a wheeled base having a baffled hydraulic fluid reservoir therebeneath and an inverted U-shaped... | 03/02/1999 |
| 5862561 | Waste line inspection and clean out device with water jet head A power driving waste line clean out tool which includes an elongated flexible coil spring formed from an elongated spring wire that is helically wound about a flexible water conduit. The water conduit provides water under relatively high pressure to a un... | 01/26/1999 |
| 5840128 | Water service line cleaning device and method An apparatus for removing an obstruction within a pressurized fluid service pipeline which includes a flexible rod; a module for connecting to the service pipeline in which the module defines a channel and a first opening in which the first opening commun... | 11/24/1998 |
| 5836032 | Apparatus for removing hair from a drain An apparatus for removing hair from a drain for facilitating the maintenance of drains by permitting convenient periodic debris removal and cleaning of a drain. The apparatus includes an elongate shaft with a plurality of hook members for picking up hair ... | 11/17/1998 |
