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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7419131 | Holding device The invention relates to a holding device, preferably a shell device, which comprises a magnet that can be transferred from a locking position, in which the magnet is preferably operatively connected to a magnetizable shell support so as to magnetically act upon it,... | 09/02/2008 |
| 7335007 | Quick change mold A mold insert set is provided for use with a mold system having first and second mold bodies, the first and second mold bodies aligning opposite each other during a molding process. Each of the mold bodies has at least one insert receiving region for replaceably rec... | 02/26/2008 |
| 7182307 | System for vertically forming concrete panels A concrete mold device for vertically forming a concrete panel includes a plurality of concrete forms for collectively defining a mold cavity for receiving an uncured concrete mixture therein. The concrete forms can include a pair of opposing side wall forms to defi... | 02/27/2007 |
| 7175153 | Positioning aid A positioning aid for a magnetic device used for positioning a shuttering means, the magnetic device being movable between a position of use, in which said magnetic device is in contact with a ferromagnetic shuttering support, and a position of non-use, in which sai... | 02/13/2007 |
| 7163185 | System, method and article of manufacture for three dimensional bride and groom cake kit A baking system that allows the user to create a three-dimensional cake having the form of a bride and groom, or man and woman. The substantial part of the human forms is accomplished by a molding process using cake, candy or chocolate. Utilizing 2 piece pans; havin... | 01/16/2007 |
| 7021601 | Dismountable casting mold side wall system Dismountable casting mold side wall system including a side wall attachable dismountably to the casting mold and a magnet adapted to clamp onto a casting bed so as attach said side wall thereto, in which system the release/clamp operations of the magnet are adapted ... | 04/04/2006 |
| 7004674 | Pre-fabricated warped pavement slab, forming and pavement systems, and methods for installing and making same A pre-fabricated warped pavement slab and a forming system for making the slabs. The forming system includes a plurality of forming sections which can be adjusted so as to form a warped-plane pavement slab. Also disclosed are methods for making the pavement slab and... | 02/28/2006 |
| 6827326 | Modular forming system for box culvert A modular forming system (10) configured for forming concrete box culverts (C1) and (C2) is disclosed. The inventive forming system enables a strong and secure system that is relatively easier and more efficient to assemble. The system (... | 12/07/2004 |
| 6753030 | Method for shaping and molding materials An apparatus and method for shaping and molding material having two sidewalls, two end walls, a bottom and at least one partition. The two sidewalls have grooves spaced at predetermined intervals on an inside surface for receiving a partition and a bottom ledge for ... | 06/22/2004 |
| 6742759 | Magnet unit for concrete moulds The invention relates to a mould side system for concrete casts. The magnet unit according to the invention has no movable parts, but the magnet is a fixed component of the unit and detachment is carried out using a simple level tool. The fastening of the mould side... | 06/01/2004 |
| 6706230 | Auxiliary jig An auxiliary jig used with a couple of jigs for forming a structure made of a fiber-reinforced composite by heating under a pressure. The auxiliary jig is provided between the jigs while heating the structure under a pressure to prevent the jigs from falling down an... | 03/16/2004 |
| 6655649 | Assembly for casting and use of an isoelectric focusing strip Isoelectric focusing gels are cast in a rod-shaped casting mold split longitudinally into two halves, each half having a half-circle profile so that the combined halves form a completed mold that is tubular in shape with a circular cross section. Flat gro... | 12/02/2003 |
| 6565690 | Process for manufacturing structures of composite material A process for manufacturing primary structures of composite material with curing in a female tool, comprising the steps of laminating superimposed composite material layers in a pre-impregnated state; placing the obtained laminate over a forming tool, loa... | 05/20/2003 |
| 6547209 | Removable side system for a concrete mould A mold side system for a concrete mold, including one or more mold side parts to be removably attached to a casting bed by one or more magnet units. The magnet unit has a front face to be supported against the back face of the mold side part, which front ... | 04/15/2003 |
| 6505809 | Shaping and molding pan An apparatus and method for shaping and molding material having two sidewalls, two end walls, a bottom and at least one partition. The two sidewalls have grooves spaced at predetermined intervals on an inside surface for receiving a partition and a bottom... | 01/14/2003 |
| 6434894 | Formwork for prefabricated concrete parts A formwork system is provided for prefabricated concrete parts, wherein a magnetic body can be set with its underside on a base plate and over which formwork parts can be fixed in their respective position. The formwork part has a lift-off stirrup engagin... | 08/20/2002 |
| 6386504 | Variable size food molding tray A variable size food molding tray apparatus is disclosed, having at least two flat base portions of uniform thickness, with selected sizes in length and width. Multiple frame portions each having a groove along the inner and outer side receive the outer p... | 05/14/2002 |
| 6276657 | Removable side wall system for a casting mould A side wall system for a concrete casting mould, including a side part (1, 7) which is removably attachable to a casting bed by means of one or several magnets (11). The body (10) of the magnet part that carries the magnet (11) is provided with a gripping... | 08/21/2001 |
| 6254370 | Form for manufacturing resin mold and clamping jig for resin mold A form for manufacturing a resin mold has a frame housing a master model corresponding in shape to a product to be molded and having a space defined therein for receiving the ultraviolet-curable resin poured therein around the master model. The frame is m... | 07/03/2001 |
| 6176464 | Snowman mold A snowman mold having a base member and a torso member defining interior spaces for receiving snow therein. The mold members include annular flanges extending radially outwardly from the members in a configuration that allows the torso member to be stacke... | 01/23/2001 |
| 6082701 | Formwork system for prefabricated concrete parts A formwork system for prefabricated concrete parts has a baseplate (1) on which is mounted a magnet element (2A) which holds formwork or attachment elements in their positions. In order to enable such formwork or attachment elements to be handled more eas... | 07/04/2000 |
| 5976442 | Apparatus and method to manufacture cast panels A method and assembly (20) to form a cast concrete panel (21). The assembly (20) has end beams between which tendons (23) can pass. The beams need to be able to support tensioning of the tendons. Transversely extending form members (25) cooperate with for... | 11/02/1999 |
| 5948313 | Mold assembly for making a shell, in particular an edible shell A mold assembly including an outer mold and an associated inner mold, the inner mold being organized to engage in the outer mold, the outer mold having a curved main portion with a central opening and an outer rim extending in a plane, and the inner mold ... | 09/07/1999 |
| 5871787 | Liquid-cooled wax mold A liquid cooled wax mold includes a generally rectangular two-part heat transfer member formed by separable metal plates. One of the plates includes elongated parallel vertically-extending heat transfer bars or fins defining parallel liquid coolant flow p... | 02/16/1999 |
| 5863451 | Snow dome construction A method is provided for constructing a snow shelter. A set of fabric panels is connected together to provide a short skirt into which snow is filled throughout and compacted on the periphery. Panels are then connected to a higher level and additional sno... | 01/26/1999 |
| 5811135 | Molding apparatus A molding apparatus includes a molding box structure with an adjustable internal spacing, a metal mold accommodated in the molding box structure, a thermally expanding, member accommodated in the molding box structure to be arranged in pressure transmitti... | 09/22/1998 |
| 5746036 | Railroad crossing signal foundation and spider and method of producing the same A spider for a railroad crossing signal foundation has plastic lined tubular channels extending through it with conical entry sections. In assembling a foundation, upright guide rods are guided into the channels by the entry sections without dislodging th... | 05/05/1998 |
| 5743510 | Self-aligning mold box assembly A mold box for molding concrete products includes a pair of opposed substantially parallel end plates. A pair of opposed substantially parallel mounting brackets are positioned at opposite ends of the end plates and together with the end plates form a sub... | 04/28/1998 |
| 5720467 | Modular curb and sewer casting form A multi-section form for casting sewer inlet ports to manhole standpipes with right, left or bi-winged curb sections. The form includes multiple sections which can be arranged to segregate the form interior to cast inlets with a preferred arrangement of o... | 02/24/1998 |
| 5542837 | Mold box assembly with partition plates A mold box assembly for forming molded concrete products includes a pair of opposed substantially parallel end plates joined at both ends by a pair of opposed substantially parallel mounting brackets. A plurality of partition plates extend between the end... | 08/06/1996 |
| 5535981 | Adjustable casting mold A new and improved adjustable casting mold including a mold base having a generally rectangular configuration. Included in the device is a fixed mold form having a generally L-shaped configuration. The fixed mold form is integral with the mold base offset... | 07/16/1996 |
| 5497974 | Geodesic igloo constructor A pair of molds or forms for constructing a geodesic igloo are described. One of the molds forms a hexagonal block of snow; the other, a pentagonal block. An icosahedron igloo with frequency 3 or 6 is constructed by shovelling snow into the molds, compact... | 03/12/1996 |
| 5421544 | Variable weight mold The mold includes a first end molding component having an imperforate exterior face and an interior face with alignment pins and a recess for the receipt of fluid material to be molded; a second end molding component having an exterior face with a horizon... | 06/06/1995 |
| 5419529 | Reusable mold for forming premolded pieces and a modular contained machine foundation The present invention is directed to reusable molds which are used to mold various pieces including a modular contained machine foundation unit. Most pieces are molded as a hollow form which surrounds vertically extending reinforcement rods and is filled ... | 05/30/1995 |
| 5400698 | Apparatus for molding and baking dough and batter A cup-shaped mold for the shaping and baking of bread, batter, cookie dough and other baking material comprises an upper cupped molding member and a lower, slightly larger, cupped molding member. The molding members are made from materials with different ... | 03/28/1995 |
| 5344304 | Mold for molding of substrate for information recording medium A mold for molding a plurality of substrates for an information recording medium includes a fixing member, a plurality of units fixed to the fixing member, and a molding cavity. Each of the units has a preformat pattern with a surface corresponding to inf... | 09/06/1994 |
| 5277396 | Casting mould A casting mold for casting concrete elements includes a bottom surface, two edge surfaces and two end surfaces. At least one of the edge surfaces is movable for positioning at a desired distance from the other edge surface. The movable edge surface is equ... | 01/11/1994 |
| 5226352 | Apparatus and method for molding and baking dough A cup-shaped mold for the shaping and baking of bread or cookie dough comprises an upper cupped molding member and a lower, slightly larger, cupped molding member. Each molding member has a flange horizontally extending from its edge. When the molding mem... | 07/13/1993 |
| 5188790 | Casting method for forming a gel matrix A novel method for forming a gel matrix. In this method an apparatus is provided which includes a first and second plate, each plate having a flat surface, and a spacer. The spacer is positioned between the flat surfaces of the two plates so that the flat... | 02/23/1993 |
| 5178887 | Compound fluted mold for casting prestressed concrete lamp poles A compound fluted mold segment for casting prestressed concrete lamp poles includes three 120° circumferential sectors wherein each sector contains a mold form made of a thin gauge sheet metal in which are locaed flutes formed by a press-brake operation.... | 01/12/1993 |
