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)
02/1982
02/09/1982US4314773 High density concrete placer
02/04/1982WO1982000309A1 Drive mechanism
02/04/1982WO1982000308A1 A method and means for introducing fine particulate material
02/03/1982EP0044912A1 Method and apparatus for placing paving material on a road
02/02/1982US4313691 Lubrication and bearing structure for concentric, independently rotating drum and vibratory shaft
02/02/1982US4313690 Asphalt laying machine
02/02/1982CA1117341A1 Energy conserving paving method and apparatus using microwave heating of materials
02/02/1982CA1117340A1 Methods for sealing and resealing concrete using microwave energy
02/02/1982CA1117339A1 Microwave method and apparatus for reprocessing pavements
01/1982
01/26/1982US4312602 Wet concrete pavement spreading machine and reinforcing rod layer
01/20/1982EP0043916A1 Drive mechanism for a drum
01/19/1982US4311408 Side delivery attachment for spreader truck
01/19/1982US4311274 Mobile apparatus for spraying protective coatings
01/12/1982US4310293 Apparatus for moulding concrete
01/12/1982US4310261 Control mechanism for vibratory roller
01/05/1982US4309113 Asphaltic concrete recycle exhaust gas treatment apparatus and method
12/1981
12/16/1981EP0041584A1 Road roller with laterally disposed implements for the treatment of the edges of roads
12/15/1981US4305682 Soil compacting roller for confined areas
12/08/1981US4304504 Unsegregator shroud for hot mix asphalt laydown machine
12/08/1981US4304494 Slip-on shroud for asphalt mixer paddle
12/08/1981CA1114048A1 Syncro-matic circuit used with material spreaders
11/1981
11/24/1981US4302128 Asphalt sealing machine
11/24/1981US4302127 Applicator and distributor assembly
11/24/1981CA1113084A1 Asphalt plant with improved temperature control system
11/18/1981EP0039716A1 Method and apparatus for producing and laying a ballasted mat for ground stabilization
11/17/1981US4300837 Device for the preparation of coated bituminous products for road surfacing
11/03/1981US4298293 Curb forming apparatus
11/03/1981US4298287 Center draft asphaltic concrete drum mixer
10/1981
10/28/1981EP0038631A2 Asphalt weigh and mix apparatus and process
10/06/1981US4293228 Drum for an asphalt mixing apparatus
09/1981
09/30/1981EP0036465A1 Self-propelled apparatus for constructing a road pavement by spreading a binder-aggregate mixture
09/17/1981WO1981002593A1 Control for plate vibrators
09/15/1981US4289421 Concrete road paving assembly
09/15/1981CA1108886A1 Linear motion impactor device
09/09/1981EP0035159A2 Gripper for slab-shaped concrete elements
09/08/1981CA1108456A2 Apparatus for continuously layup concrete
09/07/1981EP0028231A4 Control of burners.
09/02/1981EP0034914A1 Vibratory compaction system
09/01/1981CA1108202A1 Hydraulic power and control system for granular fertilizer spreaders or the like
08/1981
08/26/1981EP0034296A1 Surface treatment
08/20/1981WO1981002316A1 Hydraulically ajustable pavement roller
08/19/1981EP0033911A1 Device for capacitive high-frequency heating of fragments containing bitumen or tar
08/19/1981EP0033812A1 Apparatus for preparing coated bituminous products for road surfaces
08/18/1981CA1107115A1 Gravel spreader
08/11/1981US4283014 Mobile spreader apparatus drive system
08/04/1981US4281934 Apparatus for mixing construction materials
07/1981
07/28/1981US4280663 Scattering apparatus
07/28/1981US4280657 Concrete railroad track
07/28/1981CA1105962A1 Manually operated tongs for handling concrete paving stones and the like
07/22/1981EP0032468A2 Apparatus for producing bituminous mixtures from aggregates, bitumen and solid materials liable to deteriorate at high temperature
07/21/1981USRE30685 Adding petroleum hydrocarbons
07/21/1981US4279660 Process for the recovery and reutilization of the used materials in existing asphalt pavements
07/21/1981US4279592 Heat exchanger for pre-heating intake air for rotary dryer
07/21/1981CA1105357A1 Hydrostatically driven road rollers
07/08/1981EP0031352A1 An eccentric element.
07/07/1981US4277201 Transportable roadway and means for deploying the same
07/07/1981US4277180 Method and apparatus for making bituminous mixtures
06/1981
06/30/1981US4276093 Asphalt production
06/30/1981CA1104081A1 Method of transporting liquid pitch containing coke and apparatus therefor
06/23/1981US4274586 Fluid spreading apparatus
06/23/1981CA1103537A1 Portable machine for transporting heated asphalt products for use in repairing asphalt pavement
06/09/1981US4272213 Extendible screeds
06/09/1981US4272212 Method and apparatus for rejuvenating and recycling asphalt
06/09/1981US4271555 Reinforced concrete bridge decking and method of making same
06/02/1981US4270801 Steering and cutter drum positioning in a paved roadway planing machine
05/1981
05/28/1981WO1981001432A1 Method and apparatus for producting and laying a ballasted mat for ground stabilization
05/26/1981US4269536 Shock isolation means for an earth compactor drum
05/20/1981EP0028681A1 Security device for self-propelling working units
05/19/1981US4268208 Portable self-erecting silo apparatus
05/19/1981US4268187 Drag-type spreading apparatus for road construction mixtures
05/19/1981US4267971 Method and means of presetting the output rate of a centrifugal pump agricultural metering system
05/19/1981US4267946 Particulate matter dispensing device
05/19/1981CA1101259A1 Soil compaction
05/13/1981EP0028231A1 Control of burners
05/12/1981US4266917 Method and machine for slip forming median barrier walls for highways
05/12/1981US4266884 Resiliently mounted steering yoke for road roller
05/12/1981US4266731 Dump spreader
05/05/1981US4265559 Asphalt spreading machine
05/05/1981US4265546 Asphalt-aggregate drum mixing apparatus
04/1981
04/29/1981EP0027779A1 Forming implement to pour precise concrete slabs directly onto the flooring
04/29/1981EP0027512A1 Apparatus for surveying the degree of compaction
04/28/1981US4264232 Method and device for assembling a layer of concrete paving bricks forming a brick disk in the form of a stretcher bond which may be used as one setting unit
04/28/1981US4264213 Desegregation preventing means for asphalt mix storage apparatus
04/22/1981EP0027164A2 Road-finisher trailing device for compacting the lateral edge of a completed roadway paving
04/21/1981US4262429 Method of and apparatus for drying materials
04/14/1981US4261694 Air vibrated/winched concrete screed
04/14/1981US4261669 Method and apparatus for repairing asphalt concrete paved road surface
04/14/1981US4261520 Hopper device for material spreader having a multi-positionable cover
04/07/1981US4260280 Road roller
03/1981
03/31/1981CA1098354A1 Paving machines
03/24/1981CA1098114A1 Materials handling and application mechanism
03/18/1981EP0025186A1 Process and apparatus for preparing a bituminous mixture in a fired rotating drum
03/17/1981US4256506 Asphalt composition for asphalt recycle
03/17/1981US4256415 Concrete vibrator machine
03/17/1981US4256414 Asphaltic concrete recycling apparatuses, process and system
03/17/1981CA1097456A1 Method of and apparatus for asphaltic concrete hot mix recycling
03/11/1981EP0024834A1 Method for making a hearth of an electric furnace by vibratory compaction of particulate material
03/11/1981EP0024755A2 Method and device for heating asphalt-containing materials
03/11/1981EP0024634A1 Method and apparatus for purifying the exhaust gases of a plant for the production of bituminous coated materials
03/10/1981US4255058 Apparatus for preparing bituminous mixtures, especially road construction mixtures