Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8152412 | Pipelayer with cab riser A pipelayer having an undercarriage with at least two tracks and a main assembly. Each track has a track frame coupled to the undercarriage and a track shoe supported by and movable around the track frame. The main assembly is supported by and rotatable relative to ... | 04/10/2012 |
| 7717647 | Pipe conveying system A pipe conveyor system which operates to assemble and disassemble a plurality of pipes. ... | 05/18/2010 |
| 7713001 | Pipe extractor apparatus and method of extracting pipe The pipe extractor includes a main frame supported by wheels mounted on the main frame. The wheels are vertically movable, relative to the main frame, by a hydraulic cylinder. An extractor frame is pivotally attached to the main frame for pivotal movement about an e... | 05/11/2010 |
| 7645094 | Methods for the rapid deployment of piping A piping transport structure for use with a deployment vehicle to provide for improved efficiencies in laying temporary or semi-permanent piping structures. There is also a system for having one or more deployment vehicles smoothly lay piping and to allow for long p... | 01/12/2010 |
| 7377722 | Cable handler adapted to use with a vehicle A cable handling accessory for use on an earth moving vehicle, such as a back hoe. The accessory replaces the front bucket of a backhoe and has cable rolled thereon. ... | 05/27/2008 |
| 7275892 | Tool and method for installation of water pipe A tool used for installing water systems. The tool consists of a probe having a central body, a tapered end, and an anvil end. Pipe is slid over the central body forming a pipe and probe assembly which can be installed in soil traversing beneath an immovable structu... | 10/02/2007 |
| 7270500 | Method for installing an underground water pipe A method for installing water pipe beneath nonmoving objects with a presence in the earth with a tool for installing water pipe made of a central body, a ring encircling the central body, a tapered end, an anvil end, and a ring. The method further comprises selectin... | 09/18/2007 |
| 7267506 | Tool for installing an underground water pipe A tool for installing water pipe made of a central body, a ring encircling the central body, a tapered end, and an anvil end. Water pipe slides over the tapered end, over the ring and is stopped by the anvil in for impact installation in soil enabling water pipe to ... | 09/11/2007 |
| 7261493 | Device and method for laying and joining pipe A pipe installation device and a method for laying consecutive lengths of bell and spigot pipe. The pipe installation device installs sequential pipe lengths. The pipe installation device includes a pipe supply system and a pipe alignment system attached to a carria... | 08/28/2007 |
| 7237982 | Agricultural implement for installing an irrigation system The present invention is an agricultural implement for installing an irrigation system. The implement is made up of a frame structure having front and rear ends including a hitch for attaching the frame structure to a tow vehicle. An earth-excavating chute is attach... | 07/03/2007 |
| 7207749 | Method and apparatus for installing underground pipe A method and apparatus employing an axially elongated ground piercing tool for forming an in-ground tunnel under a surface structure with forward axial movement of the tool in the ground under the structure with a pipe carried by the tool for depositing in the tunne... | 04/24/2007 |
| 7204661 | Pipeline system utilizing cold bends An expansion loop for an above-ground pipeline that utilizes cold bent pipe sections having a bend angle of less than 90 degrees and a bend rate (in degrees per foot) of relatively low severity. ... | 04/17/2007 |
| 7156584 | Method for installing a high or medium power cable in the ground The invention concerns a method for setting medium or high power electric cables (2) in the ground, which consists in digging a trench (14) evacuating the materials derived from the trench (14) towards a treatment device, for example by crushing... | 01/02/2007 |
| 7108283 | Industrial truck with a rear weight and an internal combustion engine An industrial truck, in particular a fork lift truck, is provided with a rear weight and an internal combustion engine. The internal combustion engine is fastened to the rear weight. The internal combustion engine is advantageously mounted so that it can oscillate a... | 09/19/2006 |
| 7037042 | Device and method for laying and joining pipe An auto-advancing pipe installation device and a method for laying consecutive lengths of bell and spigot pipe. The auto-advancing pipe installation device installs sequential lengths of pipe in a trench. The auto-advancing pipe installation device includes a locomo... | 05/02/2006 |
| 7028781 | Deep-well, continuous-coiled-tubing apparatus and method of use A system and method for injecting or withdrawing a fluid into or from a well includes an injector vehicle having a longitudinal axis and operable to position tubing into the well. The system also includes a tubing supply vehicle operable to provide the tubing to the... | 04/18/2006 |
| 6997646 | Cable guide and method for producing the same When a glass fiber cable emerging from a main channel (1) is guided into a domestic channel line (2), in order to prevent this glass fiber cable from unacceptably having an excessively small radius of curvature in the direction-changing area (6)... | 02/14/2006 |
| 6994819 | Method to locally reround plastic pipe An apparatus for rerounding plastic pipe includes a housing having a pipe passage extending therethrough. The housing has a moveable outer frame top positionable between an open position and a closed position to enclose a pipe to be rerounded. A pair of opposing jaw... | 02/07/2006 |
| 6991406 | Method and apparatus for consolidating earth strata Method for consolidating an earth stratum situated in a subgrade by withdrawing water that is present in there from it, comprising the stepwise arrangement from the surface of the soil, at some depth, of vertical drain, such as drains, in the earth stratum, the arra... | 01/31/2006 |
| 6976498 | Method of fitting a cable into a pipe A method of installing a cable or conduit into at least one plastic pipe of a fluid carrying pipeline system, comprises attaching a first saddle fitting at a first location on said plastic pipe by electro-fusion, opening the pipe at the first location, introducing t... | 12/20/2005 |
| 6969215 | Method and apparatus for laying pipe on an incline A pipeline is constructed in steep terrain by digging a ditch on the incline, assembling pipe joints together adjacent a top of the incline and then lowering the assembled pipe joints down the incline through the ditch. A wheeled assembly at the lower end of the pip... | 11/29/2005 |
| 6908259 | Method and apparatus for remotely severing a prefabricated vertical drain Vertical prefabricated drains are installed into soil underlying a body of water for soil stabilization and thereafter from the surface of the water the drain member is captured within a drain cutting assembly which is lowered by an operating line that is tethered t... | 06/21/2005 |
| 6899842 | Method and installation for laying a cylindrical pipe on a support A process and plant for laying a pipe in a trench comprising placing a flattened tubular preform in the trench, the perform having a reinforcement surrounding an inner seal, the reinforcement being impregnated with a resin, and inflating the perform in the trench. | 05/31/2005 |
| 6830412 | Device for digging narrow trenches and laying prefabricated tongued and grooved components A trencher comprising a cutting disc (2) with a prefabricated tongued and grooved element feeder comprising a sweeper box (32) with a U-shaped transverse cross section closed at the front by a rake (34), in such a way that earth cannot fall insi... | 12/14/2004 |
| 6821054 | Method and system for laying pipe through the use of a plow A method and system for laying and burying pipe a seabed using a pipe trenching plow that is advanced along the seabed to form a continuous trench. The pipe trenching plow cuts a pilot hole in the seabed using a cutting apparatus and widens and forms a trench from t... | 11/23/2004 |
| 6773205 | Apparatus and method for cable installation in ducting An apparatus for and method of installing a cable in ducting from a location intermediate the length of the ducting. The cable is provided in a coil at the location and some cable is passed from one end of the coil into a first portion of the ducting extending from ... | 08/10/2004 |
| 6761506 | Pipe lay system with tension compensator A pipe lay vessel with a reel for carrying a length of pipe and first drive part for controlling rotation of the reel. A substantially vertical guide structure includes at its upper end a deflection member for deflecting the pipe from a first trajectory extending be... | 07/13/2004 |
| 6755593 | Pipe replacement method and rotary impact mechanism for pipe bursting An impactor for use with a directional boring machine having a drill string connectable to the impactor for pulling the impactor through an existing pipeline uses rotation of the drill string to drive an internal striker. The internal striker delivers impacts in the... | 06/29/2004 |
| 6655873 | Method and apparatus for consolidating earth strata A method for consolidating an earth stratum situated in a subgrade by withdrawing water that is present in there from it. The method comprises the steps of placing from the surface of the soil and at some depth, vertical drainage strips in the earth strat... | 12/02/2003 |
| 6637978 | Method and a working machine for the laying cable, pipes or the like A method and a working machine (1) for the laying of wires (2) and/or infrastructures, wherein the steps of excavation (S) to execute an excavation (S) having a depth and width in accordance with the type of wire (2), of laying the wire (2) inside said ex... | 10/28/2003 |
| 6616378 | Device and method for storing and protecting data relating to pipe installation A device (6) for attachment to a pipe (7) to be installed in the ground has load cells (17) for detecting a pulling force applied to the pipe (7), as the latter is pulled through the ground, an inclinometer (18), for detecting the inclination of the devic... | 09/09/2003 |
| 6585453 | Apparatus for trenchless underground pipe replacement An apparatus for replacing underground pipe. The apparatus has a fracturing or cutting element to fracture or cut underground pipe as it is drawn through the underground pipe. The apparatus additionally has an expanding element to expand the cavity of the... | 07/01/2003 |
| 6551028 | Pipe replacement apparatus A tool for replacing pipe, in which the existing underground pipe is fractured or cut into fragments, which are forced inward so that they pass through the tool. The tool has breaking members that extend radially outwards and backwards from a nose such th... | 04/22/2003 |
| 6536463 | Method and system for installing cable in pressurized pipelines A method of introducing a fiber optic conduit into a pressurized gas pipeline includes the step of introducing a translating member into the pressurized gas pipeline via an entry port in a first drilling nipple attached to the pressurized gas pipeline. To... | 03/25/2003 |
| 6481930 | Apparatus and method for inserting and removing a flexible first material into a second material An apparatus for inserting and removing a flexible first material into a second material (20) includes a moveable carriage (22). An adjustable clamp (24) is connected to the moveable carriage (22), adjustable between an open position and a clamped positio... | 11/19/2002 |
| 6478508 | Apparatus for laying underground electric cables An apparatus for laying underground electric cables, in particular for high-voltage lines, having a vehicle towable along a trench and carrying, on a first van, a first deposition unit adapted to form a base layer of inert material for heat dissipation at... | 11/12/2002 |
| 6419424 | Coil pipe trailer A tailer for transporting coiled pipe and assisting in the unwinding of the pipe for laying in a trench. A support cradle contacts the outer surface of the coil, thereby obviating the need for a reel. The cradle includes self-centering support rollers upo... | 07/16/2002 |
| 6299382 | Method for installing an underground pipe A method is provided for removing an expander from a ground piercing tool of the type having an elongated tubular tool body with a front nose and a striker disposed for reciprocation within an internal chamber of the body to impart impacts to an impact su... | 10/09/2001 |
| 6261027 | Portable pulling apparatus The present invention provides a portable pulling apparatus suitable for mounting in an exit pit during installation of a pipeline. A portable pulling apparatus of the invention includes an elongated stake having a lower end portion configured for inserti... | 07/17/2001 |
| 6238140 | Method for laying tile or pipe underground A method for burying pipe or tile and, especially, double walled drainage tile. The method comprises the steps of digging a relatively wide trench having a bottom with a desired grade and loosening the soil in a central portion of the trench bottom by pul... | 05/29/2001 |
