Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7950874 | Slipform paving machine with adjustable length paving kit A concrete paving machine which has a main frame and two hydraulic jacking columns at each end of the frame for raising and lowering the machine frame. Crawlers attached to the jacking columns move the paving machine in the travel direction. A paving kit is secured ... | 05/31/2011 |
| 7393156 | Construction apparatus for planting a series of vertical posts A construction apparatus having an arrangement for controlling guidance of a frame thereof along a predetermined path, e.g., a slip-form paving apparatus, has an arrangement for selectively digging vertical bores in the ground surface at spacings along the predeterm... | 07/01/2008 |
| 7377719 | Curb and gutter sled with pivoting mold assembly A slipform sled for paving street curbs and gutters has a hopper and a curb and gutter mold. A pivoting mold assembly having a standard curb elevation mold and a driveway curb elevation mold is mounted on the slipform sled. The pivoting mold assembly pivots on a sha... | 05/27/2008 |
| 7316520 | Low surface area shearing device An apparatus for use in shearing paving material applied to a surface is provided. This apparatus includes a blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the blade in response to elevational changes in the surface... | 01/08/2008 |
| 7311465 | Strike-off beam and spreader plow assembly for placer/spreader In combination with a placers/spreader having a frame including at least two side bolsters standing parallel to the subgrade path and at least two cross beams spanning the subgrade path forming a conveyor supporting structure. A rail system is attached spanning the ... | 12/25/2007 |
| 7204657 | Lightweight self-leveling automatic screed apparatus A lightweight one man screed apparatus to automatically strike off and level uncured concrete flatwork, includes a tri-pod framework beneath which a cutting/leveling member operates. The apparatus is controlled by two grade setting devices, adjustably mounted to the... | 04/17/2007 |
| 7182549 | Method and device for leveling of a surface The invention relates to a method for smoothing or leveling a ground surface, wherein a smoothing or leveling material is laid on a ground surface in that a box-like device filled with material is moved forwards, the material being allowed to exit a plate-adjustable... | 02/27/2007 |
| 7172364 | Dropped curb finisher The dropped curb finisher is for use with a slip form paving machines for forming continuous curbs and gutters. The dropped curb finisher has a vertical mounting plate, a finishing plate, an end plate and a vibrator for imparting vibration to the end plate and the f... | 02/06/2007 |
| 7112005 | Scraper apparatus and method A scraper apparatus includes a cart and a scraping arrangement located at a front of the cart. The scraping arrangement includes blades that are driven along a joint or crack by the cart to remove excess filling material deposited in the joint or crack of a working ... | 09/26/2006 |
| 7108449 | Method and apparatus for acoustically matched slip form concrete application Methods and apparatus for power finishing freshly placed concrete in which the acoustic impedance of the treating equipment is made substantially equal to the acoustic impedance of the concrete slab being treated. Preferably, a powered, twin rotor riding trowel is p... | 09/19/2006 |
| 7029072 | Modified rumble strip cutter A rumble strip cutting machine having a drum that can be shifted from one side of the machine to the other. The machine includes a piston wheel that imparts an up and down motion to the frame so that rumble strips can be cut at desired intervals as the machine is dr... | 04/18/2006 |
| 7000361 | Method of creating a concrete paved area A method of providing a paved area having a predetermined set of surface features. The method begins with the pouring of wet concrete into a predetermined area. Then a predetermined thickness of the wet concrete is removed in a predetermined portion of the predeterm... | 02/21/2006 |
| 6998075 | Method for casting of concrete products A method and apparatus are disclosed for slip-form casting a concrete product, the product being made from at least two different grades of concrete so that the concrete mix grade can be changed in an uninterrupted fashion during casting at a desired point along the... | 02/14/2006 |
| 6969476 | Method for casting a concrete product A method is disclosed for casting a concrete product using two or more different grades of concrete mix, in which method predetermined amounts of different grades of concrete mix are delivered at appropriate instants into the feeder hopper of the slip-form casting m... | 11/29/2005 |
| 6962490 | Concrete extruder attachment for a vehicle A concrete extruder attachment for a vehicle includes a hopper adapted to hold flowable concrete. The hopper has an upper concrete inlet and a lower concrete outlet. A slip form is connected to the lower concrete outlet. An internal vibrator causes concrete to flow ... | 11/08/2005 |
| 6872028 | Slip form paver In a slip-form paver comprising a tractor (2) consisting of a machine frame (4) telescopable at least transversely to the traveling direction, with working means being mounted thereto, where at least one of the working means is displaceable along a lon... | 03/29/2005 |
| 6863470 | Curb forming apparatus and methods A device for receiving and pushing hardenable material through a channel defined by a mold of the device to form a curb having an outer surface, and an attached steering assembly consisting of a steering arm coupling wheel supports attached to the device, and adjust... | 03/08/2005 |
| 6817849 | System for forming a curb and other structures A curb or other structure is formed by a moving slip form mold receiving material used to form the structure from a hopper. The slip form mold includes two portions pivotally connected to each other. In one configuration, the slip form mold portions form a straight ... | 11/16/2004 |
| 6715957 | Paving apparatus with retractable pavement forming assembly In a slip-form paving apparatus, a forwardly disposed pavement forming assembly, such as an auger assembly and a strike-off plate, are pivotably mounted to the apparatus frame for movement between an operative disposition disposed adjacent a ground surface for distr... | 04/06/2004 |
| 6692185 | Adjusting arrangement for steerable transport assembly for self-propelled construction vehicle An improved arrangement for adjusting crawler-type transport assemblies in a self-propelled construction vehicle between two differing "home" positions. The crawler transport assembly comprises a steering mechanism including a collar assembly operated via... | 02/17/2004 |
| 6582152 | Zero clearance variable width concrete paving machine The invention teaches a slip form paving machine which can be used for both zero clearance variable width and variable width conventional paving using the same paving pan. The main frame of the machine is designed to hydraulically extend and retract from ... | 06/24/2003 |
| 6508606 | Curb forming apparatus An apparatus for continuously shaping and extruding a longitudinally extending curb of moldable material. The device provides a self-contained and self-powered platform for modular curb forming inserts of multiple disciplines including auger extrusion and... | 01/21/2003 |
| 6481924 | Slip-form paver In a slip-form paver comprising a machine frame (4) including longitudinal beams (8) extending in parallel to the working direction, and transverse beams (18,20), and comprising a chassis (2) including a plurality of truck assemblies (14,15) adjustable in... | 11/19/2002 |
| 6471442 | Slip form paver A slip-form paver is provided in the form of a tractor (2) including a machine frame (4) having substantially parallel longitudinal beams (8) at opposite ends of which are track assemblies (14). The machine frame (4) includes a base frame (20) and telesco... | 10/29/2002 |
| 6394410 | Adjustable reinforcement insertion guide for a slip form concrete barrier mold An adjustable reinforcement insertion guide is installed within the slip form mold of a mobile concrete slip form machine, for guiding steel reinforcement screens into the mold interior during the casting of continuously poured concrete barrier walls (i.e... | 05/28/2002 |
| 6386793 | Device for smoothing a concrete paving surface A device for smoothing a concrete paving surface including a machine frame that defines a predetermined working width perpendicular to a predetermined direction of travel of the machine frame, and a carriage system for moving the machine frame in the pred... | 05/14/2002 |
| 6293728 | Curb forming apparatus and method Curb forming apparatus comprising a device for pushing hardenable material through a channel defined by a mold and a feed extending into the channel for forming a groove into the hardenable material and for supplying elongate stock to the groove.... | 09/25/2001 |
| 6171019 | Methods of, and apparatus for, mixing and preparing a base on which turf is to be laid An apparatus, and related method, for laying sand and/or a sand reinforcement matrix onto a pre-prepared surface, includes an apparatus having a hopper for providing a matrix to be laid, a plunger at the forward end, in the sense of direction of movement ... | 01/09/2001 |
| 6089785 | Road service attachment for dump-truck A box of the attachment apparatus receives asphalt from the discharge chute of a forward-tip dump-truck. The asphalt is deposited on the rod in a stripe, and is compacted by being rolled over by the rear wheel of the truck. The thickness of the stripe is ... | 07/18/2000 |
| 6086287 | Method and apparatus for laying roadway materials Method and apparatus for depositing roadway material on a road bed using a road paving machine having a spreader for laterally spreading the material and a screed for leveling the material. A guide underneath the spreader and the screed is used to control... | 07/11/2000 |
| 5997270 | Automated trowel A flexible automated trowel for sliding formwork machine allowing the finishing of a continuous trapezoidal wall of the type having one rectangular side and one side inclined towards the top or with two angular sides. A mold supporting the trowel comprise... | 12/07/1999 |
| 5941659 | Apparatus for inserting dowel bars within the pan of a concrete slip forming machine An apparatus for inserting dowel bars into a concrete slab in association with a slip forming machine of a type having a frame with a mold attached thereto for shaping uncured concrete into a continuous concrete slab. The mold having a front and rear pan ... | 08/24/1999 |
| 5879104 | Slip-form paver for road constructions of concrete In a slip-form paver for road constructions of concrete, at least one transverse distribution means, at least one stripper device, one slip form and at least one concrete paving screed are arranged on a support frame, said concrete paving screed being a h... | 03/09/1999 |
| 5662431 | Self-propelled slip-form paving apparatus The present invention provides a novel arrangement for selective mounting and demounting of a mold to a self-propelled slip-form paving machine. The paving machine basically comprises a frame, a drive engine, a hopper for concrete or another suitably flow... | 09/02/1997 |
| 5647688 | Paving machine with extended telescoping members A conventional telescoping frame on a paving tractor is provided with fixed male extension members for insertion to and attachment with a telescoping frame member. The conventional telescoping frame includes paired forward and paired rear side-by-side fem... | 07/15/1997 |
| 5615972 | Paving machine with extended telescoping members A conventional telescoping frame on a paving tractor is provided with fixed male extension members for insertion to and attachment with a telescoping frame member. The conventional telescoping frame includes paired forward and paired rear side-by-side fem... | 04/01/1997 |
| 5607256 | Adjustable floor tile mortar and grout spreader An adjustable, floor tile mortar and grout spreading device for applying bonding material at a predetermined thickness in an efficient manner, and for spreading grout between floor tiles. The device comprises a telescopically adjustable rectangular frame ... | 03/04/1997 |
| 5590977 | Four track paving machine and process of transport A four track paver is disclosed having a frame which telescopes for transport to reduce the dimension of the machine in the direction of paving machine travel. A rectilinear tractor frame is provided. The frame includes four crawler tracks, one at each co... | 01/07/1997 |
| 5509759 | Prestressed concrete piling A round , prestressed concrete pile having front and back flat portions and a method and apparatus for manufacturing the piles. The apparatus comprises essentially a plurality of horizontally placed piling molds and a concrete feeder and spreader. The con... | 04/23/1996 |
| 5405214 | Paving machine incorporating automatic feeder control gates A paving machine employs at least one gate mechanism which can selectively alter the weighting of the flow of paving materials from the discharge opening of a hopper by adjusting the contour of the effective lower edge of the gate mechanism. This contour ... | 04/11/1995 |
