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| Number | Title | Issue Date |
| 8137025 | Process for the rejuvenation of asphalt road surfaces An asphalt-paved road surface is rejuvenated in a multi-stage recycling process. The first process stage involves grinding, to a selected depth and width, a first strip portion of the surface and transporting it away from the site. The second process stage involves ... | 03/20/2012 |
| 7993075 | Heating control system for a screed A control system for heating a screed assembly of a paving machine is provided. The control system includes a plurality of resistive heating elements positioned adjacent to a screed plate of the screed assembly. An electrical power supply is selectively connected wi... | 08/09/2011 |
| 7607860 | Continuous method and apparatus for microwave-based dryer The invention relates to a method and a movable apparatus for utilizing microwave energy to dry materials (optionally with sterilization) by the direct application of bifurcated out-of-phase microwave energy. ... | 10/27/2009 |
| 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 |
| 7354084 | Lifting device and method of use thereof A lifting device and method of use permit objects having a flat bottom supported on particulate material to be readily lifted. The device includes an elongate shaft member extending in a longitudinal direction between respective first and second ends. A hook member ... | 04/08/2008 |
| 7341661 | Clarification and sorptive-filtration system for the capture of constituents and particulate matter in liquids and gases A sorptive-filtration system for removing at least one of negatively or positively charged ions, complexes or particulates from an aqueous stream. The system includes a) flow formed substantially from at least one of rainfall-runoff or snowmelt-runoff; b) a filter c... | 03/11/2008 |
| 7303994 | Process for interfacial adhesion in laminate structures through patterned roughing of a surface The present invention relates to a process for improved interfacial adhesion of dielectrics using patterned roughing. Improved adhesion strength between layers and substrates can be achieved through increasing the roughness of the interface between the materials. Ro... | 12/04/2007 |
| 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 |
| 7287818 | Vertical milling apparatus for a paved surface A vertical milling apparatus for a paved surface has a rotary degradation element which has a top end connected to a carrier. The carrier is slideably attached to an underside of a motorized vehicle, and adapted to traverse the paved surface. The rotary degradation ... | 10/30/2007 |
| 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 |
| 7223048 | Performed pavement warning assembly method A detectable pavement warning assembly includes a web having a plurality of projections attached to one another by linear connectors, a planar cover with a series of apertures for receiving the projections therethrough and an adhesive sheet. In use a rigid substrate... | 05/29/2007 |
| 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 |
| 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 |
| 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 |
| 7152538 | Sprig planting machine A sprig planting machine is provided and includes a hopper for holding sprigs. A first conveyor is disposed below the hopper and receives sprigs from the hopper. Sprigs on the first conveyor are conveyed to a discharge point where the sprigs are discharged and fall ... | 12/26/2006 |
| 7144087 | Systems and methods for milling paving material with increased stability, support, and power Systems and methods for milling paving material. A self-powered milling system includes a cutting head to mill the paving material. The cutting head is powered by a milling system motor that speeds up production and enables the milling of very thick asphalt in a sin... | 12/05/2006 |
| 7086806 | Method for asphalt compaction and compaction apparatus A method of compacting a mat of hot mix asphalt which has been laid by an advancing asphalt paver, the method comprising advancing an asphalt compactor over the laid asphalt such that a compaction surface of the compactor, formed by a lower run of at least one belt,... | 08/08/2006 |
| 7073974 | Process and apparatus for highway marking A system for forming and applying a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic particl... | 07/11/2006 |
| 7066680 | Method of forming an inlaid pattern in an asphalt surface This application relates to a method of forming an inlaid pattern in an asphalt surface. The pattern may be selected for functional or decorative purposes. In one embodiment the method comprises the steps of providing a first template having a predetermined pattern;... | 06/27/2006 |
| 7033104 | Chip seal method with heating step A paving method is provided that includes applying a thermoplastic material to a surface to be paved, covering the thermoplastic material with a layer of aggregate (precoated or otherwise), passing a heater above the aggregate and thermoplastic material, and at leas... | 04/25/2006 |
| 6998010 | Method and apparatus for heating surface markings This application relates to a method and apparatus for heating a surface marking, such as a thermoplastic pattern in an asphalt substrate. The marking may be selected for functional or decorative purposes. The method involves gradually applying heat to the marking t... | 02/14/2006 |
| 6979146 | Road surface sensor and monitoring control method for road surface In order to melt snow and prevent freezing without consuming energy wastefully and to monitor a road surface state remotely, a road surface sensor includes: a rotating stand provided so as to be reciprocatingly rotatable upward on the road surface; a snow-melting/fr... | 12/27/2005 |
| 6969214 | Process and apparatus for highway marking A process and apparatus for forming a coherent refractory mass on the surface of a road wherein one or more non-combustible materials are mixed with one or more metallic combustible powders and an oxidizer, igniting the mixture so that the combustible metallic parti... | 11/29/2005 |
| 6939079 | Hot-in-place asphalt recycling machine and process A process and device for the recycling of asphalt including at least one one preheater unit. The preheater having a heater, scarifying rakes, and a bin to dispense aggregate. Also include is a recycling machine having a heater, scarifying rakes, a plurality of exten... | 09/06/2005 |
| 6914540 | Traffic area signage systems A signage system for a traffic area, the traffic area comprising visually-identifiable boundary markers, the signage system having sign means at the boundary markers, the sign means visually viewable by an occupant of a vehicle adjacent the boundary markers. The sig... | 07/05/2005 |
| 6758630 | Snow and ice melting system for roads A snow and ice melting system for roads including a system of heating coils disposed below an upper surface of a roadway. The system of coils are arranged in a serpentine configuration whereby a majority of a surface area of the roadway is in contact with the heatin... | 07/06/2004 |
| 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 |
| 6554531 | Apparatus for drying and compacting earthen materials An apparatus for drying and compacting earthen materials such as soil which includes a motorized tractor vehicle with a microwave applicator attached to the vehicle. The microwave applicator includes a microwave permeable drum for rolling over the ground ... | 04/29/2003 |
| 6551017 | Pavement heating trailer including self propelled tongue jack A trailer is self-propelled via a powered tongue jack and which 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 fashion. When at the work... | 04/22/2003 |
| 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 |
| 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 |
| 6217252 | Wear-resistant transportation surface marking method and materials Flame-spray transportation surface marking method employing a binder material selected from the group consisting of acrylic polymers and copolymers, olefin polymers and copolymers having a number average molecular weight greater than about 10,000, urethan... | 04/17/2001 |
| 6027174 | Method and apparatus for removing ceramic tile A method of removing ceramic tile wherein the tiles are heated using a gas burner by passing the flame of the burner over the surface of the ceramic tile where it is secured to a supporting surface by grout or other cementitious material. The ceramic tile... | 02/22/2000 |
| 5967695 | Vehicle for repairing road surfaces A vehicle for repairing a damaged road surface by filling depressions within the road surface with a filling material has, in a direction of travel, a heating and scraping unit for removing excess road surface material from the road surface. It further ha... | 10/19/1999 |
| 5895171 | Process for heating an asphalt surface and apparatus therefor A process for heating an asphalt surface and an apparatus therefor. The process comprises the steps of: igniting in a burner (30) a combustible mixture comprised of a fuel (50) and oxygen (60) to produce a hot gas; and feeding the hot gas to an enclosure ... | 04/20/1999 |
