Patents
Patents for E01C 19 - Machines, tools, or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving (13,507)
08/1991
08/14/1991CN2082731U Tamping mechanism
08/14/1991CN2082730U Slurry layer confining machine
08/13/1991US5039249 Apparatus for screening and trowelling concrete
08/13/1991US5038484 Apparatus for determining an area coverage rate
08/07/1991EP0440423A2 Drum dryer for reprocessing recycled asphalt pavement
08/06/1991US5037236 Stone-laying machine
07/1991
07/31/1991EP0438937A1 Apparatus for applying a material for a road covering
07/30/1991US5035534 Apparatus for transferring an asphalt-aggregate mixture
07/30/1991US5035384 Support clip and method of use
07/30/1991CA1286902C Screed extender with berm-forming screed
07/27/1991WO1991011574A1 Device for leveling concreted surface
07/27/1991CA2049349A1 Concrete leveling apparatus
07/24/1991EP0437990A1 Apparatus for preparing bituminous mixtures having a direct-current and a counter-current drum and corresponding method
07/24/1991EP0313603B1 Process for preparing bituminous compositions
07/23/1991US5033906 Concrete impression system
07/17/1991EP0436595A1 Method and apparatus for forming a path for a screeding means
07/11/1991WO1991010014A1 Apparatus and method for continuously removing existing reinforced pavement and simultaneously replacing the same by a new pavement
07/11/1991WO1991010013A1 Device for making a mixture for repairing of damages on asphalt coatings
07/10/1991EP0436051A1 Asphalt recycling apparatus
07/04/1991DE4004213C1 Grit or salt distributor for lorry - has sheet metal cover which can swing from position, in which it is separated from inside of container, to position allowing access
07/02/1991US5028266 Dispersion in bitumens, road paving material, cotton, cellulose
07/02/1991US5028170 Apparatus and method for continual removal of reinforced pavement with simultaneous separation and rendering of a bulk component from a reinforcement component thereof
07/02/1991US5028169 Epoxy floor finishing method and machine
06/1991
06/27/1991WO1991008836A1 A method and an apparatus for crushing slags resulting from steel production
06/27/1991DE3942496A1 System for spraying bitumen onto roads - pumps it out to adjustable number of spray jets and has flow rate meter with computerised control on pumping rate, number of outlets, etc.
06/27/1991CA2006670A1 Apparatus for bridging over and sealing expansion joints, for example in roadways
06/26/1991EP0434172A1 Method and apparatus for producing bituminous mixtures
06/26/1991CN1052521A Grader with double-inclination spiral arc impeller
06/25/1991US5026206 Pavement and base recycle method and apparatus
06/25/1991US5026205 Apparatus and method for continuously removing existing reinforced pavement and simultaneously replacing the same by a new pavement
06/19/1991CN2079199U Quick asphalt heating device
06/13/1991WO1991009175A1 Holding device for paving blocks
06/12/1991CN1052160A Direct-driving paver for road pavement
06/11/1991US5022783 Cementious pattern imparting tool
06/06/1991DE3939734A1 Hot mixing and conveying drum for asphalt recycling etc. - consists of double-walled, heated, tubular, rotary mixing drum with material inlet and outlet openings at opposite ends
06/05/1991EP0429811A1 Lifting apparatus for hollow building blocks
06/05/1991CN2078340U Self-loading material-spreader
06/05/1991CN1051954A Apparatus for reconditioning, restoring and repairing the bituminus cincrete pavement
06/03/1991WO1991008056A1 Process and device for applying multi-component resins, and use of such resins
06/03/1991CA2069922A1 Process and device for applying multi-component resins, and use of such resins
05/1991
05/29/1991EP0428714A1 Print receptive coatings
05/28/1991US5018955 Decorative curbing machine
05/21/1991US5016789 Dispenser for granular materials
05/17/1991CA2003317A1 Method of disposal of hazardous particulate solid waste by asphalt emulsion encapsulation
05/15/1991CN1051408A Method of forming dense concrete surface layer
05/14/1991US5015120 Methods and apparatus for making an asphalt-aggregate pavement
05/08/1991EP0425756A1 Method of forming dense concrete surface layer
05/08/1991EP0425535A1 Aggregate drying system with improved aggregate dryer and mass flow apparatus
05/08/1991EP0277133B1 A method for arranging the cooling in a compactor and a cooling system for the realization of the method
05/08/1991DE3937108A1 Tending sand and artificial grass surfaces - involves single axle trailer with brushes equipped with stiff bristles moving in plane of surface
05/02/1991WO1991005691A1 Apparatus for lifting and transporting mutually similar objects which are mutually of the same shape
05/02/1991DE4034003A1 Compactor for road surfacing machine - has beam with stepped bottom surface having to horizontal and two upwardly sloping parts
05/02/1991CA2002058A1 Asphalt road resurfacing machine
04/1991
04/24/1991CN1050832A Hand rotary speed increase bolting mill
04/23/1991US5009546 Road paver-finisher with a combination of axles with steering wheels and crawler units
04/23/1991US5009544 Method and machine for working an area of ground, in particular for surfacing a road
04/17/1991EP0422136A1 Spreading apparatus for winter service
04/17/1991CN2075219U Mixing decice for distributing oil of asphalt
04/09/1991US5006012 Combination road repair machine with improved crack-filling capabilities
04/09/1991CA1282740C Hydraulic excavator and compactor bucket therefor
04/09/1991CA1282624C Apparatus for redistributing asphalt
04/03/1991EP0419614A1 Gauging template for adapting the edges of paving stones
04/02/1991US5004394 In road construction material
04/02/1991US5004288 Sun visor for motor vehicle having a slidable main body
04/02/1991US5004164 Salt truck
03/1991
03/26/1991US5002426 Paddle mixer for asphalt pavers
03/26/1991US5002398 Apparatus for and methods of producing a hot asphaltic material
03/20/1991EP0418111A1 Storage system for bituminous mixtures after changing the composition formula of these mixtures
03/20/1991EP0418105A1 Extensible screed for compacting and finishing roadcovering with liquid binder spreading means
03/20/1991EP0417650A1 Machine for laying interlocking stones
03/20/1991CN1050080A Special speed variator with large speed ratio
03/19/1991US5000621 Apparatus for forming a trench
03/19/1991CA1281710C Method and an apparatus for mixing gravel and bitumen
03/13/1991CA2024405A1 Process for storage of bitumen-coated materials when modifying product formula of these bitumen-coated materials
03/12/1991CA1281309C Vehicle-mounted spray apparatus
03/12/1991CA1281201C Vibratory screed including a spreading device for levelling and distributing plastic concete in front of the screed
03/07/1991WO1991002845A1 Finishing device for a concrete screeding apparatus
03/07/1991DE3928516A1 Lifting and moving paving slabs in batches - involves movable jaws controlled by compressed air operated by lever in grip handle
03/05/1991CA1280927C Roller carriage assembly for use with a road surface finishing machine
02/1991
02/27/1991CN2072082U Device for continuous dehydration and temp rising of asphalt
02/26/1991US4995773 Spreader and dump truck construction
02/26/1991US4995760 Towable
02/26/1991CA1280789C Multi-direction dump body for trucks
02/20/1991CN2071669U Bitumen slurry coat sealing machine
02/20/1991CN2071668U Mixing tube for bitumen mixture mixer
02/19/1991US4993878 Method and apparatus for forming a trench
02/19/1991US4993877 Method and apparatus for forming a trench
02/19/1991US4993869 Concrete finishing machine with vibrating finishing rollers
02/19/1991US4993867 Rigid concrete stamping tool with flat handles
02/19/1991US4993839 Method and apparatus for producing asphaltic mix
02/12/1991US4992492 Process for preparing a binder for surfacing roadways of bitumen and reclaimed rubber powdered base and also binder obtained by employing this process
02/12/1991US4991995 Laying plank for a road finishing machine
02/12/1991CA1280108C Method and apparatus for mixing asphalt compositions
02/06/1991EP0411349A1 Machine for soil compacting
02/06/1991EP0411348A1 Method for compacting soil and machine therefor
02/06/1991CN2070771U Automatic adjusting placing device for lime
02/06/1991CN1049043A Locally heating device for asphalt storehouse
02/05/1991US4989986 Producing an asphaltic composition
01/1991
01/29/1991US4988233 Paving machine
01/29/1991US4988207 Drying/coating drum for the preparation of bituminous coated products, comprising an improved burner