Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7384256 | Screw feeder for roller compactor machine A screw feeder is provided for a powder roller compactor machine. The machine includes a hopper for holding powder and a pair of rollers for compacting the powder. A screw feeder transfers powder from the hopper to the rollers. The screw feeder includes an upper tap... | 06/10/2008 |
| 7278845 | Concrete-block-making machine The invention relates to a concrete-block-making machine having a part which is displaceable via a linear drive, the linear drive comprising a drive unit and a linear guide for guide rollers, the drive unit comprising at least one linear motor and the linear guide c... | 10/09/2007 |
| 7048530 | Device for applying thin layers of a powder or pulverulent material and corresponding method A device for applying a thin layer of a powder on a support means (14) includes a device (12) for storing the powder, a screed (30) that includes a shoe (36) with a working surface, as well as a device (28) for guiding in translati... | 05/23/2006 |
| 6939122 | Fluidizer for a substance The present invention generally relates to a fluidizer including at least one wall forming a conduit for a gas. The at least one wall may include a material having microscopic holes therein with a sufficient porosity to permit the escape of the gas through the micro... | 09/06/2005 |
| 6887065 | Polymeric multiform membrane molding An apparatus for molding a polymeric multiform skin membrane is provided. The molding apparatus includes a rotatable heated mold envelope having an opening. Additionally the mold envelope has channel members which generally extend lateral of the opening. A feed-stoc... | 05/03/2005 |
| 6796788 | Carrier transfer molding device A polymer is plasticized in a plasticizing unit and is thereafter fed into a transfer device which is moved into alignment with a clamping press which is remotely located from the plasticizing unit. The polymer from the transfer device is deposited on a carrier whic... | 09/28/2004 |
| 6764296 | Fluidizing method and apparatus A fluidizing method transports particulates by gravity flow but passes the particulates through a fluidizer which is partitioned by a porous distributor plate to form first and second chambers and wherein the particulate materials pass through said first chamber whi... | 07/20/2004 |
| 6758056 | Apparatus and process for molding frozen ice confectionery compositions into articles The present invention relates to an apparatus for preparing frozen ice confectionery articles including a freezer having a freezer pump that cools and transports the frozen confectionery material, a rotative distributor that receives it under pressure and distribute... | 07/06/2004 |
| 6736626 | Pressed earth block machine A machine makes blocks from pressed earth. A feed drawer having an open lower end and filled with loose earth is moved laterally across a planar surface into registration over a breech. A press foot is lowered to a level in the breech to receive loose earth from the... | 05/18/2004 |
| 6684913 | Method for loading ceramic tile forming moulds, plant for its implementation, and tiles obtained thereby Method for loading ceramic moulds presenting a die plate having at least one forming cavity in which a die is slidingly received, comprising the following operative steps for each complete loading cycle: preparing a powder layer at least the upper part of... | 02/03/2004 |
| 6619945 | Apparatus for forming structural blocks from compactible materials A machine for making building blocks from compactible materials such as earth, in a rapid and facile manner. A mold is provided in which the blocks of desired configuration, typically rectangular, are formed. A hydraulic ram, assisted by a pressure intens... | 09/16/2003 |
| 6543248 | Apparatus for molding frozen confectionery compositions into articles The device for moulding frozen confectionery articles comprises a metering hopper connected to a volumetric metering device comprising a metering chamber and a metering element dispensing a predetermined volume of ice cream into passing containers by mean... | 04/08/2003 |
| 6485284 | Gas assisted flow tube and filling device A gas-assisted flow and filling device for transporting particulate material and filling die cavities includes a source of low-pressure gas for delivering gas to a chamber that is separated from a fluidizing chamber by a porous distributor plate which per... | 11/26/2002 |
| 6402500 | Fluidized fillshoe system A delivery and filling system for filling a cavity with a particulate material is disclosed. The system in one embodiment includes a hopper; a transport device, and a delivery chute. The hopper, transport device, and delivery chute each may have a porous ... | 06/11/2002 |
| 6382947 | Color blending apparatus An apparatus for color blending an agglomerating flowable material from a differently colored individual batches, to mold a mottled heterogeneous product with material from at least two batches so that mottled products (i.e. with irregular arrangement of ... | 05/07/2002 |
| 6302675 | Pressed earth block machine A makes blocks from pressed earth. A press foot is raised to a first level even with an open upper end of a breech. A feed drawer having an open lower end and filled with loose earth is moved laterally across a planar surface into registration over the br... | 10/16/2001 |
| 6264462 | Polymer transfer and deposition molding device A polymer is plasticized in a plasticizing unit and is thereafter fed into a transfer device which is moved into alignment with a clamping press which is remotely located from the plasticizing unit. The polymer from the transfer device is deposited direct... | 07/24/2001 |
| 6213754 | Apparatus for manufacturing concrete masonry units A cementitious composition for the molding of ultra-lightweight, durable, large structural units comprising Portland cement, coal combustion byproducts, expanded or extruded polystyrene and water, and a modified block machine used in the manufacture of su... | 04/10/2001 |
| 6200525 | Hold-down system for compacting press A press for compacting raw material into compacted elements is disclosed. The press has a vertically movable platen and a feed shoe on the platen. The feed shoe is urged against the platen by a pair of force-transmitting devices and lever arms. The lever ... | 03/13/2001 |
| 6183232 | Raw material delivery system for compacting press A raw material delivery system is disclosed. It is used with a press of the type used to compact raw material in a die. The press has a horizontal table with an opening in which the die is held. A feed shoe is movable across the table between an extended ... | 02/06/2001 |
| 6177039 | Method for forming concrete products A mold box is flexibly mounted to a product forming machine having upper and lower vertically displaceable beams. A feed drawer dispenses concrete material into the mold box while a vibration system vertically vibrates the mold box while dampening horizon... | 01/23/2001 |
| 5945135 | Pressurized feedshoe apparatus and method for precompacting powdered materials A pressurized feed shoe for delivering particulate materials to fill a die cavity is provided. The feed shoe includes a feed shoe body comprising a vessel for receiving a quantity of particulate material. The feed shoe body has at least one bottom egress ... | 08/31/1999 |
| 5895668 | Dough divider A dough divider is operable within a mixer bowl to divide the dough into preset weights (e.g., for bread, loaves, buns). A pendulum assembly has a retractable divider to cut a charge of dough, which is compressed by a piston. The charge of dough is expell... | 04/20/1999 |
| 5885626 | Die retaining element An improved die retaining element has a highly efficient, durable and wear and abrasion resistant flange portion surrounding an opening for securing a die mold therein. The flange portion may have practically any geometric configuration, such as round, bu... | 03/23/1999 |
| 5885625 | Pressurized feed shoe apparatus for precompacting powdered materials A pressurized feed shoe for delivering particulate materials to fill a die cavity is provided. The feed shoe includes a feed shoe body including a vessel for receiving a quantity of particulate material. The feed shoe body has at least one bottom egress o... | 03/23/1999 |
| 5866176 | Moulding system for moulding a mass such as a mass of meat A moulding system for moulding a mass with a pasty or dough-like composition, such as a mass of meat, for example for moulding hamburgers, includes a housing having a chamber which is delimited by internal walls of the housing. The chamber emerges on the ... | 02/02/1999 |
| 5861180 | Powder feed apparatus and control method thereof In a powder feed apparatus and a control method thereof, a powder molding press feeds powder from a hopper of the powder feed apparatus to a feeder slidably disposed on a die plate of the press proper. Powder is charged into a die in the die plate. The fe... | 01/19/1999 |
| 5858415 | Raw material delivery system for compacting press A raw material delivery system is disclosed. It is used with a press of the type used to compact raw material in a die. The press has a horizontal table with an opening in which the die is held. A feed shoe is movable across the table between an extended ... | 01/12/1999 |
| 5733588 | Ceramic molding equipment An improved molding equipment includes highly efficient, durable, and wear and abrasion resistant sliding elements. In particular, the equipment has a feeder box and a ware plate arranged for sliding contact each comprising high precision tetragonal zirco... | 03/31/1998 |
| 5713272 | Powder press with mechanical-hydraulic shuttle control A powder press with mechanical-hydraulic shuttle control including a main press shaft, a control unit mounted on the powder press for converting rotational motion into translational motion, including a first actuator assembly; a second actuator assembly i... | 02/03/1998 |
| 5629033 | Pressed earth block machine A machine for pressing earth into blocks has a rectangular breech and a press foot vertically reciprocally drivable in the breech. A bucking block is horizontally reciprocally drivable into and out of registration with an open upper end of the breech. Por... | 05/13/1997 |
| 5573788 | Measuring cup apparatus for dough divider An improved dough divider is provided which has a measuring cup assembly for dividing a mass of dough into uniform smaller slugs. The apparatus is adjustable so that size of the dough slugs can be increased or decreased. The dough divider has a piston-cyl... | 11/12/1996 |
| 5393218 | Measuring device for a dough divider Dough (10) should, in a volumetric sense, be measured in dough pieces, which during extended use, must very precisely take place. The improved measuring device can be built in dough dividers and gives, through the specific piston construction (3) with con... | 02/28/1995 |
| 5213816 | Polymer coated powder heating and feeding system for a compacting press A system for heating and feeding polymer coated powder to a heated die cavity of a compacting press. The system includes at least one heated vertical pipe for heating the polymer coated powder and for delivering the polymer coated powder by gravity from s... | 05/25/1993 |
| 5182120 | Device for dosing into moulds A device for dosing a plastic, perishable mass into moulds has a pressing chamber for receiving a dose of the mass from a feed vessel and a piston operable in the chamber to push and compress the dose into a mould. The device includes a valve for shutting... | 01/26/1993 |
| 5074774 | Weight scaling material supplying apparatus for a powder molding machine A material supplying apparatus for a powder molding machine including a press table, a charger frame movable to reciprocate on the press table, a device for reciprocating the charger frame, a material inputting device provided on the charger frame into wh... | 12/24/1991 |
| 5062610 | Composite masonry block mold for use in block molding machines The invention includes block molds and manufacturing processes as well as a composite masonry block comprising a block body having an irregular trapezoidal shape and comprising a front surface and a back surface, an upper surface and a lower surface, and ... | 11/05/1991 |
| 5059110 | Apparatus for forming concrete blocks having plural separately driven vibrator sets Apparatus and method for continuously forming concrete blocks or pavers comprises a frame for defining a supporting structure with a mold box flexibly mounted thereon, the mold box having internal cavities contoured to define preselected block patterns, w... | 10/22/1991 |
| 4959003 | Device for die-casting of concrete goods such as block stones in a cellular mould A system for die casting of concrete goods such as block stones comprises a cellular casting mould having a plurality of cells and a device for supplying concrete for filling the cells. A dolly including a common base member with protruding pistion portio... | 09/25/1990 |
| 4836762 | Apparatus for molding concrete blocks or bricks Concrete elements, such as blocks or bricks, are molded or cast by forming in a primary mold cavity a secondary mold made of a portion of a thermoplastic film which has been contacted with a flat heater surface to assure a uniformly heated film portion wh... | 06/06/1989 |