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| Number | Title | Issue Date |
| 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 |
| 7332118 | Method of preparing and method of applying a vibration damping system The vibration damping system, especially for use in the damping of vibrations e.g. from trains, tramcars, other traffic and damping of ground borne vibrations in general, comprises an anti-vibration plate in the form of a plate having a first and a second major surf... | 02/19/2008 |
| 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 |
| 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 |
| 7211214 | Laser assisted direct imprint lithography In accordance with the invention, features can be directly imprinted into the surface of a solid substrate. Specifically, a substrate is directly imprinted with a desired pattern by the steps of providing a mold having a molding surface to imprint the pattern, dispo... | 05/01/2007 |
| 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 |
| 7114875 | Method and apparatus for laying hot blacktop paving material A method of laying hot blacktop paving material, the method comprising a spreading step during which the material is spread onto a surface for receiving it, and immediately prior to the spreading step, a step of adding water during which water plus wetting agent is ... | 10/03/2006 |
| 7108450 | Portable drag box with automated shearing device A drag box for use in applying cold mix asphalt paving material to a surface includes a pugmill for distributing the cold mix over the surface, a strike blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the strike blad... | 09/19/2006 |
| 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 |
| 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 |
| 7052203 | Surfacing structure for traffic areas and for surfaces of structures The invention relates to a surfacing structure for traffic areas and for surfaces of structures, which has a substructure located on the base of the surfacing and has a superstructure, which covers the latter and is comprised, at least in part, of concrete, sepecial... | 05/30/2006 |
| 7052202 | 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... | 05/30/2006 |
| 7037034 | Safety door system and method for a hopper body Accordingly there is disclosed a safety door system, comprising a hopper body containing a powered implement powered by a hydraulic control system, for dispensing liquid or granular materials or for agitating the liquid or granular materials; a safety door for cover... | 05/02/2006 |
| 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 |
| 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 |
| 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 |
| 6846354 | Process and system for production of a warm foam mix asphalt composition The invention describes a process for preparing a warm mix asphalt composition by mixing an aggregate grain material with a soft binder, and adding a hard binder to the mixed aggregate grain material. The hard binder is foamed in a foaming process before it is intro... | 01/25/2005 |
| 6825444 | Heated bridge deck system and materials and method for constructing the same A heated bridge deck (20) uses electrodes (24, 26) embedded within conductive concrete and connected to a power source to remove snow and ice accumulation. A cement-based mixture containing optimal amounts of conductive materials is molded into pre-for... | 11/30/2004 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6186700 | Pavement method and composition with reduced asphalt roofing waste A method of manufacturing and applying a novel pavement and patch material for roadways, driveways, walkways, patch for potholes and like surfaces, including the steps of reducing recycled asphalt roof waste to granules, adding aggregate and other solid r... | 02/13/2001 |
| 6033147 | Method for producing a two-layer asphaltic surfacing Top layers of asphalt surfacing are laid in hot laying method in one work cycle. A first layer of a first asphalt production type hot is placed on a surface to be covered. Simultaneously with the first layer is placed a second layer of a second asphalt pr... | 03/07/2000 |
| 6012870 | Apparatus and method for transporting heated pavement repair materials A portable apparatus is shown for transporting heated pavement repair materials. The apparatus has a heat chamber with an enclosed interior. A mixing chamber is contained within the enclosed interior of the heat chamber and has an inlet for receiving pave... | 01/11/2000 |
| 5988935 | Asphalt repair apparatus with dry, radiant heat source A portable device is shown for transporting asphalt repair materials for use in repairing potholes in asphalt pavements. The device has a body with a hopper compartment for transporting and dispensing asphalt mix materials. A dry, radiant heat source is l... | 11/23/1999 |
| 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 |
| 5895172 | Control system and method for operating an asphalt paver screed burner system In one aspect of the present invention, an automatic screed temperature control is disclosed. The control senses the screed temperature and compares the screed temperature to a lower set point. In response to the screed temperature being less than the low... | 04/20/1999 |
| 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 |
| 5865563 | Method for blending and windrowing asphalt A method for blending and windrowing hot plant mix asphalt which has been deposited onto a roadway in preparation for paving the roadway utilizes a V-shaped plow formed by a first plowing member extending in a first direction, and a second plowing member ... | 02/02/1999 |
