| Patents for E01C 23 - Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces (8,812) |
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| 03/11/1992 | EP0474523A1 Process for the in situ hot regeneration of a porous road layer |
| 03/10/1992 | US5094565 Multi-head cutting tool and method for its use |
| 03/05/1992 | WO1992003269A1 A device for material removing processing of a material layer |
| 03/03/1992 | US5092706 Tack compounds and microwave method for repairing voids in asphalt pavement |
| 03/03/1992 | US5092658 Apparatus for surface profiling |
| 02/26/1992 | EP0471692A1 Method and apparatus for treating a surface of granite with a high temperature plasma jet. |
| 02/25/1992 | CA1296212C Method and apparatus using bituminous sandstone for pavement repair |
| 02/20/1992 | DE4025923A1 Leveller for tennis court roller - presses dampened sand using base board and distributes evenly under brush pressure |
| 02/06/1992 | WO1991017033A3 Apparatus and method for cutting unhardened concrete |
| 02/05/1992 | EP0469272A1 Process and apparatus for working road surfaces |
| 01/28/1992 | US5083839 Apparatus for grooving or grinding pavement |
| 01/16/1992 | DE4021648A1 Repairing asphaltic road surfaces - blisters are treated by drilling diametrical holes through surface skin, filling with epoxy] resin mix, rolling flat and allowing to cure |
| 01/14/1992 | US5080524 Asphalt road resurfacing machine |
| 01/14/1992 | US5079895 Method to remove a depression in a floor and prevent recurrence of this depression thereafter |
| 01/07/1992 | US5078540 Asphalt pavement milling machine and cutter drum therefor |
| 01/02/1992 | EP0463040A1 Road surface recycler |
| 12/31/1991 | CA1293657C Impacting mechanism |
| 12/27/1991 | EP0462520A1 Resonant beam suspension pads |
| 12/26/1991 | WO1991017313A3 Applicator for applying a surface treatment |
| 12/25/1991 | CN2091309U Pavement bending instrument with microcomputer |
| 12/22/1991 | CA2045228A1 Curb cutting system |
| 12/21/1991 | CA2044883A1 Resonant beam suspension pads |
| 12/19/1991 | DE4028738C1 Self-driven road milling machine - has adjustable cutter drum on carriage with steerable wheels |
| 12/18/1991 | EP0461917A1 Truck mounted pavement marking applicator |
| 12/15/1991 | CA2042901A1 Truck mounted pavement marking applicator |
| 12/10/1991 | US5071284 Road maintainer |
| 12/04/1991 | EP0260260B1 Apparatus for unloading bulk material |
| 12/03/1991 | US5070286 Manipulator for public works machines and machine equipped with such manipulator for road works |
| 12/03/1991 | US5068970 Apparatus for facilitating roadway grade measurements |
| 11/27/1991 | CN2089482U Car type double roll belt sand scraper |
| 11/21/1991 | EP0457227A1 Liner for asphalt layers |
| 11/20/1991 | CN2089021U Double wheel type sand-back device |
| 11/19/1991 | US5066070 Apparatus for reflex-percussive cutting of concrete etc. |
| 11/19/1991 | CA1292156C Method of adhering a prefabricated marking strip to a roadway surface without having to treat the roadway surface and self-adhesive sealing strip itself |
| 11/14/1991 | WO1991017315A1 Method and apparatus for repaving asphaltic pavement |
| 11/14/1991 | WO1991017314A1 Dowel fitting device |
| 11/14/1991 | WO1991017313A2 Applicator for applying a surface treatment |
| 11/14/1991 | WO1991017033A2 Apparatus and method for cutting unhardened concrete |
| 11/13/1991 | EP0456502A2 Applicator for applying a surface treatment |
| 11/13/1991 | CN1056142A Road surface recycler |
| 11/12/1991 | US5063713 Surface abrading and particle collection device |
| 11/07/1991 | DE4013950A1 Laser-guided straight line marking appts. - adjusts travel direction of paint-dispensing vehicle relative to laser beam |
| 11/06/1991 | EP0455309A2 Scooping apparatus, vehicle and coupling plate therefore |
| 11/06/1991 | EP0455303A1 Device for crushing stony materials |
| 11/06/1991 | CA2016271A1 Method and apparatus for repaving asphaltic pavement |
| 10/31/1991 | WO1991016499A1 Road marking studs |
| 10/29/1991 | US5060378 Demolition tool for a hydraulic excavator |
| 10/22/1991 | US5059061 Truck mounted pavement marking applicator |
| 10/22/1991 | CA2040553A1 Screed rail |
| 10/08/1991 | US5054959 Line marking apparatus |
| 10/02/1991 | DE4009581A1 Fine granular surface for tennis court - is prepared by machine with front and rear travel rollers with milling head and sweeping rollers between them |
| 10/01/1991 | WO1991015632A1 Pavement and base recycle method and apparatus |
| 10/01/1991 | US5052854 Highway guidance vehicle systems |
| 10/01/1991 | US5052853 Apparatus for maintenance of a gravel road |
| 09/29/1991 | CA2013433A1 Traffic pod |
| 09/24/1991 | US5051026 Controlled density paving and apparatus therefor |
| 09/18/1991 | CN1054631A High-speed highway level |
| 09/10/1991 | US5046890 Road surface treating apparatus |
| 09/10/1991 | US5046366 Apparatus for measuring deflection or deformation in pavement structures |
| 09/04/1991 | CN1054282A Material and method for repairing damaged pavement |
| 09/03/1991 | US5044696 Curb cutting system and method |
| 09/03/1991 | US5044569 Rock and coral demolition tool |
| 08/27/1991 | US5042957 Moving type three-dimensional road |
| 08/22/1991 | DE4005279A1 Cleaning and preheating carriageway surfaces - involves adjustable air stream nozzle heated by gas burners which also play upon road surface |
| 08/22/1991 | DE4004979A1 Road markings - comprising adhesive activated by heat before positioning by laying wheel |
| 08/21/1991 | EP0442860A1 Machine for destroying concrete surfaces |
| 08/21/1991 | CN1053954A Measurer for soft road surface unevenness |
| 08/20/1991 | CA1287764C Heater for asphalt pavement or the like |
| 08/14/1991 | DE4004362A1 Repair of damaged storm gutters - requires removal of grating seating and part of gutter side before fixing reinforcing anchors and filling with concrete |
| 08/13/1991 | US5039557 Heating beads, rolling, cooling with water spray |
| 08/13/1991 | US5039170 Resonant beam suspension pads |
| 07/11/1991 | WO1991010014A1 Apparatus and method for continuously removing existing reinforced pavement and simultaneously replacing the same by a new pavement |
| 07/11/1991 | DE4000366A1 Road-surface roughening machine - incorporates tool mounted on oscillating frame attached to motor vehicle |
| 07/03/1991 | EP0435702A1 Demolition tool for a hydraulic excavator |
| 07/02/1991 | US5028170 Apparatus and method for continual removal of reinforced pavement with simultaneous separation and rendering of a bulk component from a reinforcement component thereof |
| 07/02/1991 | US5028004 Nozzle head |
| 07/02/1991 | CA1285419C Mobile self propelled crushing machine |
| 06/27/1991 | WO1991008874A1 Demolition tool for a hydraulic excavator |
| 06/27/1991 | WO1991008833A1 Rock and coral demolition tool |
| 06/26/1991 | CN1052438A Rock and coral demolition tool |
| 06/26/1991 | CN1052437A Demolition tool for hydraulic excavator |
| 06/25/1991 | US5026206 Pavement and base recycle method and apparatus |
| 06/25/1991 | US5026205 Apparatus and method for continuously removing existing reinforced pavement and simultaneously replacing the same by a new pavement |
| 06/19/1991 | EP0433098A1 Rock and coral demolition tool |
| 06/15/1991 | CA2011497A1 Rock and coral demolition tool |
| 06/05/1991 | CN1051954A Apparatus for reconditioning, restoring and repairing the bituminus cincrete pavement |
| 05/29/1991 | CA2030906A1 Rumble strip for highways |
| 05/22/1991 | EP0272270B1 A machine for treating a road surface or the like |
| 05/16/1991 | WO1991006708A1 Reflective bead embedding method |
| 05/15/1991 | EP0426892A1 Asphalt road resurfacing machine |
| 05/15/1991 | CN2076991U Road face slope detecting device |
| 05/08/1991 | CN2076571U Integrated maintenance vehicle for highroad shoulder |
| 05/02/1991 | WO1991005915A1 End closure for a rotary cutter housing |
| 05/02/1991 | EP0425239A1 Raised pavement marker applicator |
| 05/02/1991 | CA2002120A1 Carbon dioxide powered stripping machine for painting long term parking surfaces |
| 04/30/1991 | CA1283734C Method and system for measurement of road profile |
| 04/24/1991 | CN2075672U Sand return machine for sand road maintaince |
| 04/24/1991 | CA2039707A1 End closure for a rotary cutter housing |
| 04/18/1991 | DE3938235A1 Cutting concrete horizontally - involves circular saw blade mounted on lower end of vertical shaft |
| 04/17/1991 | EP0422346A1 Process and apparatus for applying roadmarkinglines and roadmarkinglines obtained by this process |