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| Number | Title | Issue Date |
| 8157474 | Road finishing machine The invention relates to a road finishing machine having a screed extending transverse to the working direction of the finishing machine. The machine includes a base plate that can be heated using an electrical heater clamped to the base plate. The heater has at lea... | 04/17/2012 |
| 8113738 | Device for compacting road paving materials The invention relates to a device for compacting road paving materials, comprising a screed board which is fastened on a road finisher and extends at a right angle to the direction of travel of the road finisher and a tamper that is mounted in front and/or behind th... | 02/14/2012 |
| 8113737 | Device for compacting road paving materials The invention relates to a device for compacting road paving materials, comprising a screed board which is fastened on a road finisher and extends at a right angle to the direction of travel of the road finisher and a tamper that is mounted in front and/or behind th... | 02/14/2012 |
| 8079777 | Reflector apparatus, heating system, kit and method A reflector apparatus including a mobile trailer and a heat reflector attached thereto such that terminal edges of wings of the reflector are disposed proximate to the surface of the heated asphalt and define a plane that is substantially parallel to a plane formed ... | 12/20/2011 |
| 7909532 | Mounting apparatus for infrared heating device A mounting apparatus for an infrared heating device comprising a platform attached to a frame of an infrared heating chamber, at least one telescoping member affixed to said platform, and at least one attachment component which fixedly attaches said at least one tel... | 03/22/2011 |
| 7874763 | Burner for paving apparatus A heating head for a paving apparatus includes a substantially cylindrical head housing, having a top housing edge axially spaced from a bottom housing edge, a sidewall having a spiral cross-sectional shape and a laterally extending top housing cover attached to at ... | 01/25/2011 |
| 7674068 | Cement heating and finishing machine The cement finishing machine (10) has adjustable heat generating assemblies (22, 24), affixed to each side of the finishing machine (10). Each of the heat generating assemblies (22, 24) includes a propane burner that extends into an elong... | 03/09/2010 |
| 7578634 | Reflector apparatus, heating system, kit and method A reflector apparatus, kit, system and method. The apparatus include a mobile trailer and a heat reflector attached thereto. The kit includes a heat reflector and a mechanism or device for removably attaching the heat reflector to a mobile trailer. The system includ... | 08/25/2009 |
| 7441986 | Ground heating device A ground heating device is provided for thawing frozen ground. A water heater is provided with a reservoir tank in fluid communication with the water heater. A pump is provided in fluid communication with the reservoir tank. A hose is provided in fluid communication... | 10/28/2008 |
| 7427174 | Electrically heated paving screed This invention relates to screeds used for compacting paving material. The invention provides a screed for a paving machine comprising a sole plate; a tamper adjacent the sole plate; a heating element mounted on the sole plate; and a heat conductor mounted on the so... | 09/23/2008 |
| 7413375 | Apparatus and method for heating a paved surface with microwaves A system for working a paved surface is disclosed in one aspect of the invention as including a water deposition device for increasing the moisture content of a paved surface; a microwave generator for applying microwaves to the moisture content to heat and thereby ... | 08/19/2008 |
| 7316521 | Waterproof sheet in-situ application machine A waterproof sheet in-situ application machine, which can rewind a long roll-like thermal application type waterproof sheet and easily bond the sheet onto the bed surface of a bridge and the surface of a concrete structure in a site, includes a carriage and a combin... | 01/08/2008 |
| 7300225 | Apparatus and method for heating road building equipment A method and apparatus for heating hot mix asphalt (HMA), via collecting fumes from HMA while the HMA is on-board a vehicle and in motion within the vehicle, and igniting the HMA with engine exhaust and using the heat of combustion of the HMA to heat HMA, such as vi... | 11/27/2007 |
| 7264178 | Foam spraying rig A foam spraying rig comprising a vehicle having first and second fluid spray component storage tanks mounted in the body of the vehicle, each of which are heated by electrical heaters and by tubing which is connected to the coolant of the water cooled engine of the ... | 09/04/2007 |
| 7252455 | Multi axial asphalt heating system with up and down, forward and reverse adjustments and fold up feature adjustment A multi axial asphalt heater for re-heating and recycling of old and new asphalt for permanent joint free repairs and restorations. It is possible to adjust the heating elements mechanically up and down off the asphalt surface with the lever arm mechanism. The provi... | 08/07/2007 |
| 7217062 | Control for screed heaters A screed for a paving machine has at least a base portion having an associated heating element connected to a heating element controller. An extension screed portion is connector to the base screed portion and has a respective heating element connectable to the heat... | 05/15/2007 |
| 7198429 | Segmented concrete screed A segmented concrete screed for screeding concrete on a concrete casting bed includes a plurality of individual screed units each of which may be raised and lowered independently of the others such that screeding operations may selectively bypass obstructions in the... | 04/03/2007 |
| 7195424 | Roller screed A portable powered roller screed apparatus includes a rotating roller assembly, a first operator roller controller coupled to a first end of the roller assembly, and a second operator roller controller coupled to a second end of the roller assembly. The first operat... | 03/27/2007 |
| 7191568 | Modular safety surface and method for preparing the same A modular safety unit having a skid resistant surface for use in a location where it is desirable to add a skid resistant surface for traction comprising a base made of resin, the base having a top side and a bottom side; an aggregate made from calcined bauxite, and... | 03/20/2007 |
| 7192215 | Apparatus and method for erasing road lane markings An apparatus for erasing a road marking on a road lane comprising a chassis adapted to travel over the road lane; a heating source mounted to the chassis for directly or indirectly applying heat to the road marking; and a positively driven rotatable brush mounted to... | 03/20/2007 |
| 7037036 | Asphalt seam heater An articulated frame movable between a collapsed position and an extended position. A main wheel assembly is attached to the frame and movable between a support position where the main wheel assembly supports the frame and enables the asphalt seam heater to be towed... | 05/02/2006 |
| 7033106 | Method and apparatus for sealing cracks in roads A roadway crack sealing apparatus (300, 314) which includes a crack sealing assembly having an emulsion container supported on a frame, wheels supporting the frame, a handle extending from the frame, a lever operable to control selectively open and close an e... | 04/25/2006 |
| 7008136 | Crack sealing apparatus with heated hose through A crack sealing apparatus having a heated hose trough is presented which eliminates the need to purge or clean the hose and/or applicator wand that is used to apply sealant to cracks in a roadway. In accordance with one embodiment of the invention, the crack sealing... | 03/07/2006 |
| 6988849 | Pothole repair machine A pothole repair machine utilizes hot mix asphalt material to fill the pothole being repaired. The machine includes a heating apparatus for raising the temperature of the surface of the road surrounding the pothole to soften the material for bonding with the materia... | 01/24/2006 |
| 6963050 | Paver and heating element A paver having a paving screed and at least one working component which is heated by at least one electric heating element and a smoothing plate, with the heating element being secured in heat tampering condition at a heating area of the working component. The heati... | 11/08/2005 |
| 6935331 | Portable tar heating and melting apparatus A portable tar kettle includes a steel containment body mounted on wheels and having a handle projecting therefrom with the handle including an integral gas line that interconnects to an external propane tank and internally registers with a gas burner located within... | 08/30/2005 |
| 6923630 | Apparatus and method for impressing patterns in a slip-formed concrete wall An apparatus and a method for impressing three-dimensional patterns in a slip-formed concrete wall. At least one impression roller is provided at the discharge end of a slip form. The impression roller includes an outer periphery, provided with a layer or coating of... | 08/02/2005 |
| 6872072 | Gas fired radiant heating unit and method of operation thereof A heating unit has a cartridge that constitutes a single component, which can be readily removed and replaced with a new cartridge. The cartridge is a plurality of non-flammable layers bound together in a border. The layers include a stainless steel mesh located abo... | 03/29/2005 |
| 6742959 | Asphalt heater Disclosed is a trailer which is self-propelled via a powered tongue jack and which optionally includes a light-weight, high-efficiency asphalt heater. The trailer is moved long distances, such as to and from work sites, using a towing vehicle, in conventional fashio... | 06/01/2004 |
| 6695530 | Mixing apparatus and method for blending milled asphalt with rejuvenating fluid A method and apparatus are provided for in situ rejuvenation of asphalt pavement. The apparatus and method provide for heating the underlying surface to form a preheated surface, passing a mill over the preheated surface and milling the preheated surface ... | 02/24/2004 |
| 6669467 | Gas fired radiant heating unit and method of operation thereof A heating unit has a cartridge that constitutes a single component, which can be readily removed and replaced with a new cartridge. The cartridge is a plurality of non-flammable layers bound together in a border. The layers include a stainless steel mesh ... | 12/30/2003 |
| 6659684 | System for repairing bituminous wearing courses A method for repairing a damaged area of a bitutinous wearing course. The method comprises heating the damaged area, applying a liquid to the damaged area that rejuvenates damaged bitumen, adding new material to the damaged area in an amount required to l... | 12/09/2003 |
| 6439806 | Pavement repair material cart A portable cart for transporting and dispensing heated pavement repair materials that is capable of being moved and operated by one person, the cart applying a heated asphaltic/polymeric binder material. The cart comprises a heating chamber having an encl... | 08/27/2002 |
| 6421594 | Method for heating the paving screed of a road finisher and electrical heating means According to the method for heating the paving screed of a road finisher, said paving screed including a heating means with several heat elements being supplied with electric power from a rotary current generator and being switched on and off by means of ... | 07/16/2002 |
| 6416249 | Mixing apparatus and method for blending milled asphalt with rejuvenating fluid A blending apparatus which forms part of an asphalt pavement resurfacing machine has first and second stages. The first stage receives milled material through an inlet and blends the milled material with a rejuvenating fluid. The first stage has a transve... | 07/09/2002 |
| 6371689 | Method of and apparatus for heating a road surface for repaving A method and apparatus for heating an asphalt-paved road surface by forcing gases heated by a heater against that road surface and then returning those gases to the heater for reheating and recirculation, wherein the temperature of the returning gases is ... | 04/16/2002 |
| 6334735 | Controller for a paving screed heating system A controller is for a heating system of a paving screed including a screed plate. The heating system is connected with the screed and configured to transfer thermal energy to the screed plate and includes an actuator configured to adjust thermal energy ou... | 01/01/2002 |
| 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 |
| 6227762 | Paving apparatus and method A method of preparing an asphalt edge for joining and a two part joint heating system for use in carrying out the method. In it most basic form, the method of the present invention includes the steps of placing a first layer of asphalt in a roadway and al... | 05/08/2001 |
| 6220782 | Method and apparatus for altering an aggregate gradation mixture of an asphalt concrete mixture A method and apparatus for altering an aggregate gradation mixture of an asphalt concrete mixture. The apparatus includes a heater for heating a layer of existing roadway materials, a milling and mixing auger for milling the heated layer of existing roadw... | 04/24/2001 |
