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| Number | Title | Issue Date |
| 8157495 | Apparatus and method for a pipe handler A pipe handler comprising a skid and a base having a base longitudinal axis. The base is adjustably mounted on the skid. The pipe handler comprises a means for adjusting the base, a boom, and a means for moving the boom between a position substantially parallel to t... | 04/17/2012 |
| 8113741 | Boring machine with conveyor system for cuttings and method for boring therewith A boring machine includes a cutter head, an internal casing and an auger that is located within the internal casing. The cutter head and the auger are operationally connected to a rotational mechanism. A rear bulkhead is located at the rear end of the auger, and a r... | 02/14/2012 |
| 8033345 | Apparatus and method for a drilling assembly A drilling assembly for drilling pipe into a drilling surface using a drill bit. The drilling assembly comprises a power unit, a thrust frame, a means for moving the thrust frame, a rotary and carriage assembly and a microprocessor adapted to control the load on the... | 10/11/2011 |
| 7909534 | Apparatus and method for endgate with angle adjustment An endgate comprising a mounting bracket adapted to be attached to a screed assembly, a pivoting plate adapted to be pivotally attached to the mounting bracket, a sliding plate, a pavement contacting surface and a support adapted to be pivotally moved with the pivot... | 03/22/2011 |
| 7832670 | Material reducing apparatus Described herein is a material reducing apparatus including a bypass arm and a bypass control member for allowing reduction-resistant objects of a material to bypass the apparatus while avoiding interruption of the operation of the apparatus. Other embodiments may b... | 11/16/2010 |
| 7785059 | Forward discharge blower unit A blower unit is configured to have a forward containment portion for housing mechanical equipment for receiving and dispensing material particles as ground cover. A rear containment portion is provided for containing such material particles. A material mover prefer... | 08/31/2010 |
| 7546883 | Vibratory plow A plow assembly includes a housing, a shaft having a first eccentricity and a shaft having a second eccentricity. The shaft having a first eccentricity is mounted within the housing for rotation about a first axis of rotation, and the shaft having a second eccentric... | 06/16/2009 |
| 7544036 | Column selector for pipe section magazine of directional drill A handling assembly for pipe sections for a horizontal directional drill includes a thrust frame and a pipe handler assembly track that is attached to the thrust frame so as to define a pipe section transfer location. The handling assembly also includes a pipe handl... | 06/09/2009 |
| 7500530 | Control system A control system for controlling at least one function of an item of construction equipment. The control system includes a pump, a proportional control valve, a directional control valve, a signal source, a switch, and a processor. The proportional control valve is ... | 03/10/2009 |
| 7497274 | Hydraulic fluid tank for drilling machine A hydraulic fluid tank for a drilling machine includes a primary chamber and a secondary chamber. The primary chamber is located entirely below the hydraulic pump of the drilling machine, and the secondary chamber is located above and in fluid communication with the... | 03/03/2009 |
| 7461746 | Portable screening/washing plant with scrubbing mill A portable screening and washing assembly includes a frame, and in addition, a scrubbing mill, a vibratory screen assembly and a fine material washer, all of which are mounted on the frame. Both the scrubbing mill and the fine material washer are adapted to move bet... | 12/09/2008 |
| 7455173 | Portable telescoping stacking conveyor A portable telescoping stacking conveyor for stockpiling bulk particulate materials includes a primary conveyor frame, a secondary conveyor frame, an undercarriage and a base frame having a king pin for engagement with a tow vehicle. The front end of the primary con... | 11/25/2008 |
| 7318491 | Apparatus and method for modified horizontal directional drilling assembly An apparatus and method for a modified horizontal directional drilling assembly for drilling pipe into a drilling surface. The drilling assembly comprises a power unit for supplying power to the assembly, a thrust frame adapted to be moved between a position substan... | 01/15/2008 |
| 7255406 | Method for manufacturing track for auger boring machine An auger boring machine having a drive mechanism for moving the machine along a desired direction of travel includes a drive motor having a shaft and a pinion mounted on the shaft. A method for manufacturing a track for such a boring machine includes providing a tra... | 08/14/2007 |
| 7207633 | Scaling assembly A scaling apparatus comprises a hammer component and a pick component which includes a tooth. The apparatus also includes a mechanism for moving the pick component with respect to the hammer component to thereby impart a scaling force to and through the tooth. In a ... | 04/24/2007 |
| 7134513 | Drive mechanism for boring machine An auger boring machine includes a track having an initial end and a terminal end, and the track is provided with a rack. The boring machine also includes a sled that is mounted on the track and adapted to be moved between the initial end and the terminal end of the... | 11/14/2006 |
| 6929078 | Apparatus for use in enlarging a borehole A device for enlarging a bore includes an elongate body having a forward end, a rear end and an axis of rotation. The body of the device is adapted to be moved through the bore while being rotated about its axis. The device also includes a cutting blade which is att... | 08/16/2005 |
| 6820749 | Large, stationary, modular aggregate processing plant and method of manufacturing and installing same A method of manufacturing a large stationary, aggregate processing screening tower by fabricating weldment modules and preassembling them with aggregate processing equipment internal within the weldment modules, transporting the preassembled weldment modules to a fi... | 11/23/2004 |
| 6561359 | Method and apparatus for removing lightweight particulates during processing of a primary material An apparatus and method for removing lightweight particulates during processing of a primary material. The apparatus includes a classification tank having an inlet, an outlet and a plurality of settling stations located therebetween. A slurry of fluid and... | 05/13/2003 |
| 6540089 | Large, stationary, modular aggregate processing plant and method of manufacturing and installing same A method of manufacturing a large stationary, aggregate processing screening tower by fabricating weldment modules and preassembling them with aggregate processing equipment internal within the weldment modules, transporting the preassembled weldment modu... | 04/01/2003 |
| 6349819 | Belt conveyer idler support frame A belt material handling system including conveyor belts supported on a belt conveyor idler support frame. Brackets are provided for supporting one or multiple idler rollers on such a frame. One form of such brackets has a tab for retaining the shafts in ... | 02/26/2002 |
| 6336560 | Grizzly screening apparatus A grizzly screen apparatus has a screen of grizzly bars having first ends mounted in a transverse end member and second ends placed in a slotted comb member having alternating shallow and deep bed slots. The screen is rotatable about a transverse axis whe... | 01/08/2002 |
| 6318928 | Method and apparatus for electrically heating a screed assembly in a paving machine A paving machine employs an electrically heated screed assembly to uniformly heat a screed plate of the machine. Uniform heating is achieved by inserting a thermally conductive plate between electrical heating elements and the screed plate. An insulation ... | 11/20/2001 |
| 6296109 | Fold linkage and method of using same A fold linkage is provided that is usable in combination with a conveyor assembly having a foldable conveyor section and a main conveyor section. The fold linkage includes linkage members and hinge sections that are rotatably attached to each other and th... | 10/02/2001 |
| 6210071 | Method and apparatus for cutting rumble strips in a roadway A method and an apparatus are disclosed for cutting rumble strips in the surface of a roadway. The apparatus is a self-propelled machine which includes a frame and a drive mechanism mounted to the frame and adapted for advancing the machine across the sur... | 04/03/2001 |
| 6196710 | Dust distributor for asphalt mixing machine An apparatus for making asphalt paving material includes a dust collection and distribution system by which aggregate dust that is collected during the heating and drying of aggregate may be introduced into the mixing chamber and distributed over a substa... | 03/06/2001 |
| 6123279 | Rock crusher having crushing-enhancing inserts, method for its production, and method for its use A rock crusher such as a cone or jaw crusher incorporates hardened tapered inserts in the manganese or other wear liner of at least one of its crushing elements. The inserts extend outwardly from the crushing surface of the crushing element towards the fa... | 09/26/2000 |
| 6098811 | Grizzly screening apparatus A grizzly screen apparatus has a screen of grizzly bars having first ends mounted in a transverse end member and second ends placed in a slotted comb member having alternating shallow and deep bed slots. The screen is rotatable about a transverse axis whe... | 08/08/2000 |
| 6033031 | Milling machine with vibrating mechanism and rotary drum A milling machine is disclosed, which machine includes a frame, a drive mechanism for advancing the machine across a surface to be milled, and a milling assembly mounted on the frame of the machine for cutting a width of material from the surface in the p... | 03/07/2000 |
| 5967431 | Rock crusher having crushing-enhancing inserts, method for its production, and method for its use A rock crusher such as a cone or jaw crusher incorporates hardened tapered inserts in the manganese or other wear liner of at least one of its crushing elements. The inserts extend outwardly from the crushing surface of the crushing element towards the fa... | 10/19/1999 |
| 5931394 | Anti-spin mechanism for gyratory crusher A gyratory crusher includes an anti-spin mechanism which is coupled to a lower end of a main shaft of the crusher and which prevents the main shaft and associated crushing head from spinning when the crusher is not subject to a crushing load. The anti-spi... | 08/03/1999 |
| 5904904 | Treatment of contaminated particulate material by low-temperature thermal desorption with indirect heating Contaminants are removed from particulate material in an inclined, rotating drum which has an inlet for contaminated material at its upper end, an outlet at its upper end for vaporized contaminants, an inlet for air that is located between the upper end a... | 05/18/1999 |
| 5899630 | Paving machine employing exhaust heat exchanger for screed heating A paving machine employs a screed heating system using heat from the exhaust system to heat indirectly the screed to the desired temperature. A heat exchange medium is heated by the exhaust system in a first heat exchanger and is then conveyed to a second... | 05/04/1999 |
| 5868522 | Vibratory screed assembly for an asphalt paving machine A screed assembly is disclosed for an asphalt paving machine that is used to pave the surface of a roadway with asphalt concrete paving material. This screed assembly includes a frame portion that is adapted for attachment to the paving machine, and a vib... | 02/09/1999 |
| 5851085 | Method and apparatus for spraying a tack material from a paving machine having a gravity feed hopper A paving machine employs in combination a gravity feed HMA hopper and a tack spray assembly and storage tank. Use of the gravity feed hopper permits all HMA or other paving material stored therein to be discharged directly on top of the paving machine's d... | 12/22/1998 |
| 5732896 | Anti-spin mechanism for gyratory crusher A gyratory crusher includes an anti-spin mechanism which couples a lower end of the eccentric shaft of the crusher to the stationary frame of the crusher so as to prevent the eccentric shaft and associated crushing head from spinning when the crusher is n... | 03/31/1998 |
| 5642961 | Method for conveying and desegregating aggregate A method for desegregating and conveying aggregate includes reorienting aggregate from a side-by-side lateral orientation to a longitudinal orientation. The longitudinally oriented segregated aggregate may then be thoroughly desegregated in a second conve... | 07/01/1997 |
| 5615973 | Paving machine with gravity feed hopper and auger mechanism A paving machine has a gravity feed hopper which is capable of delivering by gravity to the paving apparatus substantially all of the paving materials stored in the hopper without employing any internal conveyors. The discharge opening of the hopper is se... | 04/01/1997 |
| 5596935 | System for and method of soil remediation and hot mix asphalt production A combined soil remediation and HMA plant is provided having a rotary dryer, a rotary soil incinerator, and a refractory lined duct connecting the incinerator to the dryer and serving as a conduit via which hot gases, forming the primary and possibly sole... | 01/28/1997 |
| 5575538 | Rock saw with centerline conveyor assembly and method of digging a narrow trench A rock saw has a cutting wheel and a conveyor assembly capable of retrieving automatically essentially all materials excavated by the cutting wheel and of discharging the retrieved materials into an adjacent truck or the like. The conveyor assembly includ... | 11/19/1996 |
