| 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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| 09/14/1989 | DE3827655C1 Process for keeping concrete surfaces moist, and a moisture-storing layer for carrying out the process |
| 09/12/1989 | US4865782 Grouting method |
| 09/05/1989 | US4863309 Method of removing pavement marking materials from asphalt surfaces |
| 08/29/1989 | US4861190 Ride-on road stripers |
| 08/24/1989 | WO1989007690A1 Apparatus for reflex-percussive cutting of concrete etc. |
| 08/22/1989 | US4859502 Method and apparatus using bituminous sandstone for pavement repair |
| 08/15/1989 | US4856931 Process and device for producing or renewing a horizontal marking on roads and horizontal marking produced in accordance with the process |
| 08/08/1989 | US4854771 Method of installing preformed pavement materials into asphalt surfaces |
| 08/08/1989 | US4854770 Method and apparatus for removal of surface material |
| 08/03/1989 | DE3815300C1 Method and apparatus for the retrospective lowering of kerbstones |
| 08/02/1989 | EP0325681A1 Cutter for impact-type cutting machine |
| 08/01/1989 | US4852946 Surface working accessory and method |
| 08/01/1989 | US4852662 Impacting mechanism |
| 07/27/1989 | WO1989006589A1 Surface levelling device and method |
| 07/27/1989 | DE3811596C1 Mobile stone-cleaning machine |
| 07/25/1989 | US4850740 Method and apparatus for preparing asphaltic pavement for repaving |
| 07/19/1989 | EP0324491A1 Method and machine for renewing a road surface of bituminous mix, with cold application of the recycled covering material |
| 07/18/1989 | US4849020 Asphalt compounds and method for asphalt reconditioning using microwave radiation |
| 07/18/1989 | US4848845 Steerable self-regulating concrete cutting saw |
| 07/18/1989 | US4848308 Stoneworking or cutting device |
| 07/11/1989 | US4846602 In situ; removal of worn surface, adding replacement binder |
| 06/29/1989 | WO1989005885A1 Apparatus for use in laying strip material |
| 06/27/1989 | US4842441 Apparatus for filling a trench in a paved surface |
| 06/27/1989 | US4842440 Road grader and scarifier |
| 06/27/1989 | US4841704 Screed track for concrete slab construction |
| 06/20/1989 | US4840431 Portable rotary power saw |
| 06/08/1989 | DE3802431C1 Method for restoring the brick-dust top layer of tennis courts |
| 06/06/1989 | US4836295 Baseball infield conditioning apparatus |
| 06/01/1989 | DE3739282A1 Drawing box for applying marking strips to roadway surfaces |
| 05/30/1989 | US4834577 Process and means for the protection of roadway dressings against crack initiation |
| 05/30/1989 | US4834463 Pavement planer |
| 05/30/1989 | US4834462 Cutter for impact-type cutting machine |
| 05/30/1989 | US4834280 Device for cleaning the gas nozzle of a welding torch |
| 05/24/1989 | EP0316897A1 Apparatus for cutting asphalt pavings |
| 05/24/1989 | EP0316752A1 Apparatus for reconstructing layers of road surfacings |
| 05/23/1989 | US4832412 Machine for cutting pavement |
| 05/23/1989 | US4831958 Mobile sealant applicator for road joints and cracks |
| 05/18/1989 | DE3738083A1 Rotating scraper tool for working surfaces |
| 05/16/1989 | US4830533 Asphalt patching device |
| 05/09/1989 | US4827559 Vacuum system for pavement grooving machine |
| 05/03/1989 | DE3735922A1 Laying equipment for bituminous sealing webs |
| 05/02/1989 | US4826352 Machine for cutting off or planing off road surfaces |
| 05/02/1989 | CA1253420A1 Machine for cutting curbstones, sidewalks or the like |
| 04/25/1989 | US4824516 Pavement-marking tape applicator |
| 04/25/1989 | US4823452 Seam forming apparatus for assembling flexible expansion joint systems |
| 04/20/1989 | DE3733911A1 Marking device for applying or renewing marking lines on traffic surfaces, sports grounds or the like |
| 04/20/1989 | DE3733644A1 Loading-belt arrangement for surface-roughening machines |
| 04/20/1989 | DE3733320A1 Pressure-vessel marking machine with multiple-bellows pump |
| 04/18/1989 | US4822431 Concurrently solvent pretreating areas while removing preated areas using abrasion and chemical mixture simultaneously with a single machine |
| 04/18/1989 | US4822209 Elongated concrete groover |
| 04/18/1989 | US4822107 Cutter and method to remove surface coatings |
| 04/13/1989 | DE3809641A1 Process and apparatus for jointing natural and synthetic coverings |
| 04/13/1989 | DE3733352A1 Parallelogram guide frame |
| 04/12/1989 | EP0311533A1 Support vehicle for a percussion apparatus |
| 04/11/1989 | US4820078 Apparatus for road surface repair with fiber-reinforced asphalt |
| 04/06/1989 | WO1989002956A1 A grader for use with a tractor |
| 04/05/1989 | EP0310074A2 Milling device to be affixed to a mobile apparatus |
| 04/05/1989 | EP0309680A1 Device for pointing the joints of natural and synthetic coatings |
| 03/28/1989 | US4815891 Method for repairing an opening formed in and below a section of pavement |
| 03/22/1989 | CN1031874A Weeding and leveling machine for roadbed |
| 03/16/1989 | DE3725725C1 Road surface cutting machine - has cutter shaft as short pot, whose outer surface carries concentric roller cutter ring |
| 03/14/1989 | US4812076 Asphalt hopper heating system |
| 03/09/1989 | DE3729006A1 Rotating radially beating rollers, balls or the like for removing/milling of rock or other materials |
| 03/09/1989 | DE3728250A1 Apparatus for applying paint masses to roadway surfaces |
| 03/09/1989 | DE3249844C2 Attachment device for treating road coverings |
| 03/02/1989 | DE3727982A1 Restoring apparatus for surfacings |
| 02/28/1989 | US4808025 Temporary device for use during street repairs |
| 02/16/1989 | DE3725775A1 Road surface milling machine - has independent cutter unit with quick change coupling to tractor |
| 02/15/1989 | EP0303017A1 Floating semirigid pavement |
| 02/14/1989 | US4803789 Earth moving equipment |
| 02/07/1989 | US4802788 Road marking apparatus |
| 02/07/1989 | US4802787 Electrical control system |
| 02/01/1989 | EP0129551B1 Line marking apparatus |
| 01/26/1989 | WO1989000627A1 Road having curved grooves |
| 01/26/1989 | DE3723283A1 Drive arrangement, in particular for the pumps of marking machines or the like |
| 01/24/1989 | US4799820 Road-building machine |
| 01/17/1989 | US4798495 Apparatus for insertion of reinforcement rods in a concrete road surface |
| 01/11/1989 | EP0298682A1 Improvements relating to road cutting equipment |
| 01/11/1989 | CN2030621U Transverse control sensor for automatically leveling up with engineering machinery |
| 01/10/1989 | US4797025 Device for cutting a receptacle in pavement to receive a reflector |
| 01/10/1989 | CA1248504A1 Snowplowable road marker apparatus |
| 01/05/1989 | DE3821089A1 Apparatus for delivering material to a ground surface |
| 01/05/1989 | DE3720853A1 Mobile drive bearing arrangement with centring discs |
| 01/05/1989 | DE3720179A1 Stone-working apparatus |
| 01/03/1989 | US4795096 Dry media injection system and device |
| 01/03/1989 | CA1247860A1 Subgrader machine |
| 12/28/1988 | CA1247331A Waterproofing process for concrete slab surface |
| 12/27/1988 | US4793734 Apparatus for removing structural concrete |
| 12/27/1988 | US4793733 Suspended beneath a body of an automotive vehicle |
| 12/27/1988 | US4793731 Road coating system |
| 12/27/1988 | US4793730 Asphalt surface renewal method and apparatus |
| 12/21/1988 | EP0295763A1 Polymer concrete |
| 12/21/1988 | EP0295512A1 Equipment for loosening soil |
| 12/21/1988 | EP0295511A1 Equipment for loasening sail |
| 12/21/1988 | CN87217536U Longtudinal controlling sensor used for auto-making level of engineering machinery |
| 12/20/1988 | US4792259 Method and apparatus for depositing prearranged retroreflecting elements onto a road surface |
| 12/20/1988 | US4792190 Machine for cutting curbstones, sidewalks or the like |
| 12/15/1988 | DE3717336A1 Implement for weeding the joints between path slabs |
| 12/14/1988 | EP0295096A2 Method of surveying and determining thicknesses and properties of subsurface ground layers without excavation |
| 12/06/1988 | US4789265 Method of resurfacing a regulation tennis court |