Did You Know...
...In 1790, the cost to obtain a patent was between $4 and $5.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7707675 | Pipe-cleaning device A pipe-cleaning device (1) comprising a cutting head (2) for cutting away material on the interior of a pipe, a body (111) on which the cutting head is rotatably mounted and drive means (3, 4) for driving the rotation of the cutting head ... | 05/04/2010 |
| 7526827 | Drain pipe cleaning apparatus A drain pipe cleaning apparatus includes a drive apparatus that includes a housing having a front end, a back end and a peripheral wall extending between the front and back ends. A drive shaft extends outwardly of the front end of the housing. The drive shaft is rot... | 05/05/2009 |
| 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 |
| 7351269 | Self cleaning filter and vacuum incorporating same A brush configured to move repeatedly over a vacuum filter. The brush will remove dust particles to prevent them from clogging the filter. In the preferred embodiment, the brush is mounted on a revolving shaft. As the shaft turns it moves the bristles of the brush o... | 04/01/2008 |
| 7055203 | Tube cleaning machine A tube cleaning machine for industrial smooth bore tubes and enhanced tubes in which the machine includes a rotary brush with means for selecting brush rotary speed for optimum cleaning of the smooth bore and enhanced tubes, and in which the machine includes a water... | 06/06/2006 |
| 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 |
| 7005012 | Device and method for brush-cleaning a tube using a spray system taken into the tube The device includes a spray system for spraying a fluid against the inside periphery of the tube to be cleaned, and two analogous brushing assemblies, each of which include brushing means and a propelling element which cooperates with the inside periphery of the tub... | 02/28/2006 |
| 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 |
| 6910326 | Cleaning device for the cleaning of a spin rotor and scraper element The invention concerns a cleaning apparatus for the cleaning of a spin rotor of a spinning station leaning head which can be insertably presented to the spin rotor and on which cleaning head are placed at least two scraper elements. In accord with the invention, the... | 06/28/2005 |
| 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 |
| 6113005 | Water pipeline foreign matter obstruction remover A water pipeline foreign matter obstruction remover having an interior space, the water output hole of a water output head at the center of the top end, a water hose connector at the bottom section, and a connector seat that conjoins the top section with ... | 09/05/2000 |
| 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 |
| 5862568 | Cleaning apparatus The cleaning apparatus is for cleaning pipes and ducts and comprises a housing having a first end and a second end. A connection for a pressure medium is disposed at the first end and a cleaning member is disposed at the second end of the housing. A chamb... | 01/26/1999 |
| 5813089 | Duct cleaning apparatus An improved power-driven brush assembly is disclosed, useful for cleaning the interior surfaces of ducts, pipes, and other similar structures. The apparatus comprises a cable having a brush at one end, and a motor at the other end for spinning the cable a... | 09/29/1998 |
| 5745948 | Conduit cleaner An apparatus for cleaning conduits which includes a generally cylindrical body (12) having a bore adapted at one end for connection with a high pressure fluid source. The body includes a groove (26) extending circumferentially about the exterior of the bo... | 05/05/1998 |
| 5713093 | Pipe-cleaning device with cutting head A pipe-cleaning device with a cutting head (3) makes it possible to clean clogged pipelines completely, even those clogged with concrete, for example. The cutting head (3) works like a jack hammer as it rotates and is driven only by a pressurized medium, ... | 02/03/1998 |
| 5588171 | Drain line cleaning apparatus A drain line cleaning apparatus is disclosed which includes a spin head, capable of high speed rotation. The spin head is attached to a spinner cap which carries a bit and one or more blade members which cut through roots and other residue deposited in dr... | 12/31/1996 |
| 5535473 | Drain cleaning apparatus A drain cleaning system which utilizes a plumbing cable and nozzle assembly. A fluid-conveying hose is incorporated within a plumbing cable and a nozzle is affixed to the distal end of the cable and in communication with the hose. The nozzle includes a bo... | 07/16/1996 |
| 5528789 | Robotic duct cleaning apparatus The cleaning apparatus has a body with two wheels on opposite sides of the body which are driven by two electric motors for moving the body forward or rearward or for turning the body. A cleaning device which uses pressurized air is supported by the body ... | 06/25/1996 |
| 5406666 | Water driven turbine/brush pipe cleaner Assemblies are disclosed for cleaning the inside walls of pipes and tubes. A first embodiment includes a small turbine with angled blades axially mounted on one end of a standoff support. An O-ring for stabilizing the assembly within the pipe is mounted i... | 04/18/1995 |
| 5379476 | Skid assembly for conduit cleaner A conduit cleaner having a power unit that at least one of a) drives a cutter for foreign matter and b) discharges a working fluid under pressure to impinge upon a conduit within which the cleaner resides. First and second skids are removably and separate... | 01/10/1995 |
| 5335388 | Cutter assembly for conduit cleaner A blade assembly for attachment to a shaft that is rotatable about an axis on a conduit cleaner. The blade assembly has a hub defining an axis to be coaxial with the rotational axis of a shaft to which the blade is mounted. A cutting blade is attached to ... | 08/09/1994 |
| 5333448 | Fluid control nozzle for conduit cleaner A power unit for a conduit cleaner. The conduit cleaner has a motor with a housing carrying a shaft that is rotatable about an axis. The motor operates in response to the introduction of a pressurized fluid. The housing has inlets for admitting pressurize... | 08/02/1994 |
| 5257433 | Cleaner for piping A cleaner for piping according to this invention comprises: a nozzle supporting body having first injection holes for allowing the cleaner to be self-propelled in a backward direction of the piping, a nozzle supported by the nozzle supporting body and hav... | 11/02/1993 |
| 5244505 | Method for cleaning pipe An apparatus is shown for cleaning a pipe. The apparatus includes a rigid stem and a motor stationarily mounted on the stem. An outer body surrounds the motor and is rotatably mounted on the rigid stem. A fluid conduit is connected to the stem and to a so... | 09/14/1993 |
| 5179753 | Jet thruster with spinner head A jet thruster for attachment to the outlet end of a high-liquid-pressure hose for use, among other things, in clearing drain lines or the like. The jet thruster comprises a body formed of at least hemi-spherical shape about a fore-and-aft axis that is su... | 01/19/1993 |
| 5146644 | Pipeline cleaning device An improved device for periodic cleaning of large diameter, cylindrical pipelines to remove from their inside wall marine growths or other deposits that implede liquid flow has a central shaft from which struts extend to carry wheels that run along the in... | 09/15/1992 |
| 5090079 | Apparatus for cleaning pipe An apparatus is shown for cleaning a pipe. The apparatus includes a rigid stem and a motor stationarily mounted on the stem. An outer body surrounds the motor and is rotatably mounted on the rigid stem. A fluid conduit is connected to the stem and to a so... | 02/25/1992 |
| 4985763 | Jet nozzle for propelling an apparatus along a conduit and apparatus provided with such a jet nozzle A jet nozzle for use in propelling a trolley or sledge provided with a television or video camera along a conduit, such as a sewer, for use in inspecting the interior of the conduit, the jet nozzle comprising a casing having an end wall provided with a pl... | 01/15/1991 |
| 4909325 | Horizontal well turbulizer and method The invention provides a method and apparatus for securement onto one end of a continuous length of remedial tubing which is introduced into a subterranean well concentrically through production tubing previously positioned within the well, with the well ... | 03/20/1990 |
| 4773115 | Sewer cleaning device Apparatus for removing obstructions from pipelines, such as sewers, comprises support means, motor means carried by the support means, cutter means adapted to be operated by the motor means, and means for locking the support means in a pipe, adjacent an o... | 09/27/1988 |
| 4766631 | Sewer pipeline hydraulic root cutter apparatus A sewer pipeline root cutting apparatus having entirely internal fluid passageways and interchangeable skids. A hydraulically driven motor drives a shaft for attachment of a cutting tool at one end, and has a thrusting nozzle connecting a high pressure ho... | 08/30/1988 |
| 4756324 | Hydrodynamic nozzle for pressurized water cleaning of water, discharge and surface water pipes A movable hydrodynamic nozzle which removes deposits of sand, soil, sludges etc. in a pipe system. The nozzle is connected to a pressurized water pipe and pulls the pressurized water pipe into the pipe system. When known movable hydrodynamic nozzles are u... | 07/12/1988 |
| 4747452 | Wellbore cleaning device Method and apparatus for cleaning out a cased or uncased wellbore (particularly a high angle wellbore) prior to running a(nother) string of casing, a logging tool, or the like, into the hole. A stiff-bristled scouring brush is run in the hole on the leadi... | 05/31/1988 |
| 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 |
| 4677997 | High pressure revolving sewer cleaning nozzle A sewer pipe cleaning apparatus including a sled-like skid means carrying a pipe shaft, which has one end constructed for connection to a source of high pressure fluid and the other end connected to a sewer cleaning nozzle which has a non-rotating base me... | 07/07/1987 |
| 4662023 | Ice removal auger for ice condenser containment An ice removal auger is lowered by a winch into a generally cylindrical ice containment structure from an open upper end of the structure and is controlled remotely from the exterior of the structure, for cutting and removing a body of ice therewithin. Th... | 05/05/1987 |
| 4531250 | Water turbine and brush head using the water turbine for cleaning pipes The water turbine provided by the present invention comprises a rotor which forms a rotor blade on one end and is bored with an exhaust liquid channel on the center of the axis to open to the center of the rotor blade, an inner casing which is bored with ... | 07/30/1985 |
| 4520524 | Remotely controlled hydraulic cleaner apparatus A remotely controlled hydraulically operated cleaner apparatus for use in cleaning the interior of a conduit or pipe comprises a control means located outside of the conduit for generating control signals for controlling the operation of the cleaner appar... | 06/04/1985 |
| 4516286 | Sewer pipeline cleaning apparatus A sewer pipeline cleaning apparatus comprised of a hydraulic motor removably mounted on a frame, connected through a fluid connecting adaptor to a high pressure hose. The hydraulic motor and the fluid connecting adaptor are both removably mounted on the f... | 05/14/1985 |
