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 |
| 8043029 | Packer structure A packer structure for grouting injects a repair liquid into a crack of a concrete structure. The packer structure includes a packer body having a flange adhered onto the crack and a central tube extending upwards from a central portion of the flange, an elastic tub... | 10/25/2011 |
| 7942613 | Pistol for injecting a sealing product formed by mixing at least two solutions The pistol is used for injecting through a hole a sealing product formed by a mixture of at least two solutions. It comprises a tubular injection system which is fed, notably under pressure, with each of said solutions, and which ends with an injection head capable ... | 05/17/2011 |
| 7695218 | Method to increase a capability of soil to sustain loads A method for increasing the load-sustaining capability of structural elements in soil, wherein metallic rostrums are positioned in a hole in the soil and subsequently extruded telescopically to force them to penetrate into the surrounding soil at a desired depth and... | 04/13/2010 |
| 7284932 | Pressing-out apparatus A pressing-out apparatus (4) for pressing out a mass from a self-drilling, chemical composite anchor (2) for mining and tunnel construction has a pressing device arranged in a housing (21). The composite anchor (2) includes an anchor tube... | 10/23/2007 |
| 7281576 | Apparatus and methods for sealing voids in a subterranean formation Downhole tools that include an outer tubing disposed around an inner tubing for placement of a sealant mixture into a void in a subterranean formation and associated methods of use are provided. Furthermore, a method is provided for preparing a cement composition, w... | 10/16/2007 |
| 7258054 | Continuous explosive charge assembly for use in an elongated cavity A method and apparatus for placement of continuous pre-split, gel explosive in an elongated borehole or cavity. An anchor is attached to one end of a selected length of continuous gel explosive. A suitable anchor is a flexible, plastic “pilgrim's hat” with a hol... | 08/21/2007 |
| 7234534 | Firefighting vehicle A firefighting vehicle includes a frame, a fluid pump, and a body having a compartment. In one embodiment, a drive line of the pump passes through a transverse cross member of the frame. In another embodiment, the body includes opposite side sections sandwiching the... | 06/26/2007 |
| 7223050 | Contamination diffusion preventing structure in contaminated area In order to effectively prevent diffusion of a harmful substance to a non-polluted soil side with a relatively simple and inexpensive construction without requiring a large-scale system, a pollution diffusion preventive wall member is installed underground for parti... | 05/29/2007 |
| 7192220 | Apparatus and method to prepare in-situ pilings with per-selected physical properties Method and apparatus to produce in-situ pilings, controllably injecting binder and water into soil formation in which the piling is to be formed, the quantities of water and binder being respective to strength demands for the piling, and to demand for water to suppl... | 03/20/2007 |
| 7192221 | System for preventing seismic liquefaction of ground in urbanized area A system for preventing seismic liquefaction of the ground in an urban area built on reclaimed land consisting of a loose fine grained layer vulnerable to liquefaction underlain with a soft cohesive layer liable to uneven settlement. The system includes a plurality ... | 03/20/2007 |
| 7090436 | Process to prepare in-situ pilings in clay soil A method of forming in-situ pilings in clay soil. An auger stirrer is rotatably and axially forced into the ground. Water, dry binder (cement/or lime), and air are injected to lubricate the tool, and liquify the mix of clay soil, binder and air to form a uniform str... | 08/15/2006 |
| 7040842 | Method and device for making a foundation member A foundation member in the ground includes a soil working implement for loosening soil material in a soil area, a supply device for supplying a liquid to the loosened soil material and a mixing device for mixing the loosened soil material in the soil area with the l... | 05/09/2006 |
| 7029207 | Rapid-set injection system using high-speed jet fluid A rapid-set injection system using high-speed jet fluid for forming a pile-shaped solid body in the ground has an injection rod which does not jam in the ground and which has two or three jet nozzles so that the injection rod linearly excavates the target ground. Th... | 04/18/2006 |
| 7011475 | Method for preventing seismic liquefaction of ground in urbanized area and facilities used in this method A method of preventing seismic liquefaction of the ground in an urban area built on reclaimed land consisting of a loose fine grained layer vulnerable to liquefaction underlain with a soft cohesive layer liable to uneven settlement comprising pumping out pore water ... | 03/14/2006 |
| 6997642 | Golf course environmental management system The invention is a system for managing a plurality of areas of interest of a golf course. The system comprises a plurality of electromechanical subsystems and a programmable master control module. Each subsystem provides to a specific area at least one of air under ... | 02/14/2006 |
| 6955277 | Dispensing device and method A dispensing device and method, especially adapted for use in sealing high pressure fluid leaks, is disclosed. Such use requires high pressure dispensing of sealant. Such sealants are formed by an exothermic reaction of at least two liquid substances that generates ... | 10/18/2005 |
| 6948881 | Remediation injection vessel for marshes, tidal flats, and wetlands An injection vessel for injecting liquid amendment into contaminated subsurface sediment in ecologically sensitive areas such as shallow water salt marshes, tidal flats, or fresh water wetlands is disclosed. The injection vessel described herein includes a shallow-d... | 09/27/2005 |
| 6939085 | Soil aerating machine A soil aerating machine includes in combination a skid-steer and a basket resembling a loader bucket adapted for attachment to the skid-steer boom. An air pressure tank, an elongate air nozzle pipe, an air hammer, and air control valves for the air nozzle pipe and a... | 09/06/2005 |
| 6935084 | Taper-ream wood repair apparatus and method A tapered plug having a compressible and conically tapered outer surface is permeated with a dry, water-activated adhesive. A pilot hole most preferably passes through the center of the tapered plug, ensuring proper alignment for a replacement fastener such as a woo... | 08/30/2005 |
| 6923597 | Tail shield for a shield tunneling apparatus Present in a tail shield (1) for a shield tunneling apparatus are a number of grouting lines (3) that are open to a tail shield end (4) and that can be supplied with filling material for grouting a ring gap (7) with the filling material, ... | 08/02/2005 |
| 6902352 | Soft ground improvement system An apparatus for improving soft ground, in which cement slurry is vigorously discharged from an injection rod by highly pressurized air, thus allowing hardening agent to evenly infiltrate the soft ground, is disclosed. The apparatus includes an injection rod (20 | 06/07/2005 |
| 6874976 | Multipoint grouting method and apparatus therefor A common feature of the method and apparatus for multipoint grouting resides in using a multiple injection apparatus having a plurality of unit pumps in one plant, driven independently of each other and controlled by a centralized control device. The plurality of th... | 04/05/2005 |
| 6863475 | Apparatus for injecting fluids An apparatus and a process for injecting fluids while prevents backflow are provided. The apparatus comprises a) a hollow core pipe with an open end and a closed end, and containing exit ports in the peripheral wall that are closed when there is no, or low fluid pre... | 03/08/2005 |
| 6802674 | Arrangement for feeding soldering material An arrangement for feeding soldering material into a space between a bolt and rock includes a sleeve-like nozzle which can be pushed tightly against a feed chamber on the rock bolt so that a feed hole in the feed chamber is connected to the inner space of the nozzle... | 10/12/2004 |
| 6685398 | Method to form in-situ pilings with diameters that can differ from axial station to axial station A process to make in-situ pilings comprised of soil, cement, lime and water, the pilings being bodies of revolution formed by rotating a mixer-cutter blade whose cutting diameter is selectably adjustable, preferably on a running basis so as to have the ca... | 02/03/2004 |
| 6561737 | Arrangement for post preparation of an injection compound This invention relates to a method of post preparation of an injection compound which is useable for injection in for instance existing rock cracks or cracks arisen in connection with blasting away rock during for instance tunnel driving, the injection co... | 05/13/2003 |
| 6485234 | Apparatus and method for making cylindrical columns A tool for use with a rotatable drill shaft and a source of pressurized fluidized solidifying agent. The tool member has upper and lower extremities. A coupler is coupled to the upper extremity of the tool member and is adapted to be secured to the drill ... | 11/26/2002 |
| 6481174 | Auxiliary tool for filling a bore with a mortar mass An auxiliary tool for filling of an organic and/or inorganic mortar mass in a bore (B) and cooperating with an injection tool (D) connectable with a delivery tube (E) or a delivery hose, with the auxiliary tool (1, 6, 12) including a filling member (2; 7;... | 11/19/2002 |
| 6457910 | Tubular anchor A tubular anchor includes a tubular member (1, 21) with a drilling head (2, 22) at one of its end, a load application element (3) extending along a portion of the tubular member opposite the one end, opening (5, 23) provided in a region of the drilling he... | 10/01/2002 |
| 6364578 | Device for injecting grout The invention relates to a device for injecting material in the form of a suspension into a cavity. The device comprises an injection tube for injecting the material, the tube having a coupling first end and a second end that is open; a coupling has a cyl... | 04/02/2002 |
| 6357968 | Method and apparatus for constructing an underground barrier wall structure A method and apparatus for constructing a underground barrier wall structure using a jet grout injector subassembly comprising a pair of primary nozzles and a plurality of secondary nozzles, the secondary nozzles having a smaller diameter than the primary... | 03/19/2002 |
| 6322294 | Method and device for ejecting a ground improving grout into a ground When an improving material used for ground improving construction is ejected into the ground, an improving material having a predetermined gel time is ejected through a vast number of points simultaneously or selectively from ejection ports provided in im... | 11/27/2001 |
| 6302624 | Method for ejecting ground improving grout into ground When an improving material used for ground improving construction is ejected into the ground, an improving material having a predetermined gel time is ejected through a vast number of points simultaneously or selectively from ejection ports provided in im... | 10/16/2001 |
| 6257803 | Three component chemical grout injector An apparatus and method for injecting grout is described as having an injector body with at least three holes therethrough for conveyance of a first, second, and third fluid as desired. One of the fluids is a resin and another is a catalyst which when com... | 07/10/2001 |
| 6254524 | Method for in situ remediation of waste through multi-point injection Method and apparatus for treating confined material such as buried waste or areas of contaminated earth by injecting a plurality of high velocity jets of treating fluid into the material over a limited depth in multiple directions from each of a plurality... | 07/03/2001 |
| 6226948 | Method and apparatus for waterproofing concrete An injection packer, injection packer installation/removal tool, and method of use thereof are especially suited for use in the repair of concrete structures and the like. The injection packer includes a body that is removable from a nonmetallic expansion... | 05/08/2001 |
| 6120214 | Process for constructing reinforced subterranean columns A process for constructing a jet grouted subterranean column provided with reinforcement. A hole is drilled in the ground to the desired depth using a drill bit carried in a hollow drill rod to which a drill casing is detachably coupled. As the drilling p... | 09/19/2000 |
| 6109836 | Soil consolidation apparatus, tool and method In order to consolidate soil, a hole is drilled therein by advancing downwardly through the soil a rotary percussive drill bit disposed at the end of a drill string. Water is pressurized at the ground surface and is conducted to actuate a hydraulically dr... | 08/29/2000 |
| 6088959 | Process for conditioning soil A process for conditioning a golf green which preferably is constructed in accordance with the specifications of the United States Golf Association. In this process, air is blown at a flow rate of from about 250 to about 1000 cubic feet per minute onto th... | 07/18/2000 |
| 6050337 | Equipment and method for the injection of high-pressure materials into the soil The invention relates to an improved equipment for the injection of materials into the subsoil, for consolidation, reclamation etc. A perforating rod is made of two coaxial pipes and equipped, at its end, with three or more radial nozzles. The first one p... | 04/18/2000 |
