...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7919033 | Method of manufacturing honeycomb structure and manufacturing apparatus thereof A method of manufacturing a honeycomb structure having a plugged portion, which is faster and cheaper to manufacture, and a manufacturing apparatus thereof. A film is attached to an end face of a honeycomb structure in a state where the honeycomb structure is positi... | 04/05/2011 |
| 7691312 | Underground pipe and method of securing conduits The invention relates to the curing of pipes (5) for receiving data cables, which are inserted into textile strips (4) and which are placed in discharge lines (1), wherein temporarily hot water or steam is guided through the pipes (5). | 04/06/2010 |
| 7398797 | Pipe lining method There is provided a pipe lining method wherein a lateral pipe lining material and a main pipe lining material are securely joined. After a lateral pipe has been lined, a start liner is applied to the main pipe and a main pipe lining material is then inserted. A heat... | 07/15/2008 |
| 7374705 | Method for maximizing the sharing of tensile load for cement-sheathed multi-wall pipe A method for installing a fiberglass or stainless steel liner into a steel casing which results in a reduction of strain on the casing. Conventional means are used to place the liner into the casing and to fill the annular space with cement. Thereafter, maximum desi... | 05/20/2008 |
| 7343937 | Method of locating liner within sewer pipe A method of inserting a cured in-place pipe from a cleanout includes positioning a lining along a portion of a length of a bladder, wherein the lining is frangibly connected to the bladder, inserting the bladder through the cleanout, to a position wherein the lining... | 03/18/2008 |
| 7344669 | Plural color component film laminate part and method of making same A plural color component film laminate part and method for insert-molding a plural color film laminate part comprises preforming a film laminate and subsequently insert-molding a plastic substrate against the preformed film laminate. An improvement in traditional in... | 03/18/2008 |
| 7325576 | Inflatable suction hose A flexible suction hose has supporting ribs that may be inflated to hold the hose open against suction for use and deflated to allow the suction hose to be folded or collapsed for storage and transportation. ... | 02/05/2008 |
| 7320769 | Manufacturing method of fuel tank welding joint A welding joint 10 for a fuel tank reduces the amount of fuel vapor in the fuel tank that escapes into the atmosphere. The fuel tank welding joint 10 a joint main body 20 and a barrier layer laminated on the surface of the joint main body 20 | 01/22/2008 |
| 7311121 | Lateral pipe lining material and lateral pipe lining method A lateral pipe lining material comprises a tubular resin absorbing material impregnated with a setting resin, which has a flange at one end thereof and whose outer surface is coated with a highly airtight film. A sealing tube is detachably attached to the outer circ... | 12/25/2007 |
| 7299605 | Anti-curling foil manufacturing process A process for manufacturing a foil package from foil laminate sheet stock. The foil laminate has a top foil sheet and a bottom polymeric sheet laminated to the foil sheet. A cavity is molded into the bottom foil sheet, wherein the cavity has a bottom, a depth and a ... | 11/27/2007 |
| 7191801 | Apparatus and method for installation of pipe liner An apparatus and method for lining sewer pipes that utilize an adjustable form configured to conform to the shape and dimensions of the interior of a man-entry sized pipe line. The adjustable form can be used to position a sheet of liner material immediately adjacen... | 03/20/2007 |
| 7153461 | Adhesive tape enabling patterns and marks to be formed thereon and manufacturing method A method for manufacturing adhesive tape that pattern and mark are easily formed thereon which includes the steps of placing a felted surface of a felt portion on the bearing portion of a lower mold, alter closing the upper mold, injecting a plastic material via hig... | 12/26/2006 |
| 7152632 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/26/2006 |
| 7124970 | Method and apparatus for processing various materials The invention relates to a method and a an apparatus for processing various materials, the apparatus including at least two annular feed gaps placed one within the other. The beginning of each feed gap is provided with a grinding section (5), which is followe... | 10/24/2006 |
| 7121766 | Inflatable underground structure liner An underground structure liner based upon an inflatable liner structure. An acid resistant layer is the innermost layer of an inflatable liner, and the liner is coated with epoxy resin on its outermost surface, the surface which contacts the existing walls of the un... | 10/17/2006 |
| 7073536 | Apparatus, methods, and liners for repairing conduits An apparatus and method for repairing the juncture or intersection of a first conduit and a second conduit is disclosed. The apparatus includes a main body for transporting and positioning a repair material impregnated with at heat curable resin system or matrix. An... | 07/11/2006 |
| 7055870 | Molded flare assembly A fully formed flared portion is molded as part of the main body of the one embodiment of the fitting. The flared portion is inserted through the back side of a retaining cap. A collet assembly is assembled together around the smallest diameter of the tube fitting b... | 06/06/2006 |
| 7052567 | Inflatable heating device for in-situ repair of conduit and method for repairing conduit The apparatus of the present invention is generally characterized by a heating/inflation module having pressurizable interior and an attached heat curable pre-preg. In particular, an elastomeric, seamless composite is provided that includes a heating element dispose... | 05/30/2006 |
| 7048880 | Method of forming a composite article with a textured surface A molding process for a composite article uses a textured film layer to shape the surface of the composite article. The film layer is placed in the mold with the textured film surface exposed and a composite material is placed over the textured film surface. Prefera... | 05/23/2006 |
| 7028716 | Method for rehabilitating an existing pipe A rehabilitating pipe having a flange at one end thereof is laid inside a first existing pipe so that the flange contacts an inner circumferential surface portion of a second existing pipe surrounding a portion where the first and second existing pipes intersect. A ... | 04/18/2006 |
| 7025580 | Method and apparatus for lining a conduit Method and apparatus for installing a liner material into a host conduit such as, e.g., a sewer pipe, hydrocarbon pipeline, gas line, water line, industrial chemical pipe, or a saltwater line. The liner material may include a compression liner and/or a preliner that... | 04/11/2006 |
| 7005090 | Method for manufacturing a flow cell A method of manufacturing a flow cell with a cell housing having a bore for the passage of sample, and with an inner layer of a totally reflecting polymer material for guiding radiation through the bore for the analysis of the sample, comprises the steps of: a) prov... | 02/28/2006 |
| 7000642 | Apparatus and method for installation of pipe liner An apparatus and method for lining sewer pipes that utilize an adjustable form configured to conform to the shape and dimensions of the interior of a man-entry sized pipe line. The adjustable form can be used to position a sheet of liner material immediately adjacen... | 02/21/2006 |
| 7000643 | Bladder system for conduit expansion Disclosed is a bladder system for use in conjunction with a conduit expansion process and system. In addition, the bladder system is in operative communication with an injection material handling system. The bladder system includes a bladder element with injection h... | 02/21/2006 |
| 6993237 | Pulling grip for installing pre-connectorized fiber optic cable A pulling grip includes a pulling grip sleeve, a pulling grip housing and a furcation plug attached to the terminated end of a fiber optic cable. The pulling sleeve includes a bag adapted to be positioned over the pulling grip housing and the furcation plug and to b... | 01/31/2006 |
| 6978804 | Systems and methods for pipeline rehabilitation The present disclosure is directed to methods and systems for pipeline rehabilitation. The methods and systems disclosed herein permit the rehabilitation of long lengths of previously installed pipe and minimize the need for creating multiple access points to the pi... | 12/27/2005 |
| 6946627 | METHOD FOR MANUFACTURING AN ELECTRICAL CABLE SYSTEM COMPRISING AN ELECTRICAL CABLE CONTAINING A CONDUCTOR CORE AND FOR INSTALLING SAID ELECTRICAL CABLE SYSTEM OVER A LONGITUDINALLY EXPANDABLE-CONTRACTIBLE ELEMENT An electrical cable system and a method for manufacturing an electrical cable system (1) has an electrical cable (10) containing a conductor core (2). The method for installing the electrical cable system of a longitudinally expandable contracti... | 09/20/2005 |
| 6932116 | Fiber reinforced composite liner for lining an existing conduit and method of manufacture A reinforced liner for cured in place pipe rehabilitation of an existing pipeline having a plurality of high-strength low-elongation fiber bundles disposed circumferentially around the tubular liner at both inner and outer surfaces of a resin absorbent layer of the ... | 08/23/2005 |
| 6923217 | Fiber reinforced composite liner for lining an existing conduit and method of manufacture A reinforced liner for cured in place pipe rehabilitation of an existing pipeline having a plurality of high-strength low-elongation fiber bundles disposed circumferentially around the tubular liner at both inner and outer surfaces of a resin absorbent layer of the ... | 08/02/2005 |
| 6921423 | Separator tank assembly and method of manufacture A separator tank assembly including a separator tank having an interior chamber, a corrosion-resistant layer applied over at least a portion of the separator tank interior chamber, and a separator element positioned within the interior chamber of the tank. The separ... | 07/26/2005 |
| 6905617 | Etching method for making fluid bearings This specification discloses an etching method for making fluid bearings. The invention uses an ejection axis as the mask of the bearing cast. A protection material is inserted into the inner diameter of the fluid bearing, producing a protection pattern. After pulli... | 06/14/2005 |
| 6868870 | Method of lining a pipeline using a calibration hose The present invention is an improved method for installing a liner to repair a pipeline. The method involves placing a flexible lining hose that is coated with a thermosetting resin in the pipeline. A thermosetting resin is also applied to the interior walls of the ... | 03/22/2005 |
| 6849222 | Method of manufacturing ceramic honeycomb structure and device for forming through holes A method of manufacturing a honeycomb structure and a through hole forming device used in the manufacture of the honeycomb structure are provided, in which the step of closing a part of the cell ends at an end surface of the honeycomb structure is rationalized. In c... | 02/01/2005 |
| 6800230 | Disk brake piston seal member and its manufacturing method To stabilize a friction coefficient of a dust seal member or brake-gap adjustment seal member to a piston in a disc brake regardless of temperature change. At least an inner circumferential surfaces of a dust seal member and a brake-gap adjustment seal member, attac... | 10/05/2004 |
| 6708729 | Fiber reinforced composite liner for lining an existing conduit and method of manufacture A reinforced liner for cured in place pipe rehabilitation of an existing pipeline having a plurality of high-strength low-elongation fiber bundles disposed circumferentially around the tubular liner at both inner and outer surfaces of a resin absorbent layer of the ... | 03/23/2004 |
| 6701966 | Apparatus for lateral line repair An improved apparatus for repairing a pipeline by the insertion of a resin-impregnated tubular liner is disclosed wherein the improvement resides in an end cap that is adhesively attached to one end of the liner, the end cap having a pull tab formed there... | 03/09/2004 |
| 6695013 | Method and device for lining a lateral sewer pipe An assembly for introducing a pipe liner into a branch line includes a launcher defining a passageway through which a resin impregnated pipe liner and bladder tube assembly passes. An inflatable member mounted to the launcher assembly is actuatable betwee... | 02/24/2004 |
| 6682668 | Installation of cured in place liners with an endless reusable inflation bladder and installation apparatus A process for lining an existing pipeline or conduit with a flexible resin impregnated cured in place liner by pulling in the liner and inflating it with a reusable endless inflation bladder is provided. The liner includes a resin absorbent material in tu... | 01/27/2004 |
| 6673449 | Net molded tantalum carbide rocket nozzle throat and method of making A method of making heat engine components, such as rocket nozzle throats, includes forming a body having at least one surface, wherein the body is made of a refractory metal, and compressing a ceramic powder between a die and the at least one surface of t... | 01/06/2004 |
| 6652690 | System for providing heated fluid utilizing exothermic chemical reaction for curing resin in pipe liner/repair process A "chemical heater" in the form of a cartridge containing an exothermic agent such as sodium hydroxide (caustic) soda, or the like, which, when infused into water, releases heat in the form of an exothermic reaction. In the preferred embodiment of the inv... | 11/25/2003 |