| Patents for E01C 5 - Pavings made of prefabricated single units (4,273) |
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| 02/03/1992 | CA2022514A1 Vehicle track |
| 01/15/1992 | EP0465536A1 Angled paving stone. |
| 01/07/1992 | CA1293869C Interlocking construction block |
| 01/01/1992 | CN2091892U Ribbed concrete paving plate |
| 11/21/1991 | DE4114568A1 Uniform joints prodn. between paving slabs - involves framed distance piece made up of horizontal and several uprights to required width of joint |
| 11/13/1991 | EP0456035A2 Roadsurfacing for traffic area |
| 11/07/1991 | DE4113508A1 Vehicle boarding step for bus stops - has upper section in vertical direction, made of elastic rubber or plastics |
| 10/30/1991 | EP0453619A1 Multilayered ground for areas in which water polluting substances are poured or transferred |
| 10/30/1991 | CN2087630U Ground blocks capable of greening |
| 10/17/1991 | WO1991015631A1 Track crossing device |
| 10/17/1991 | DE4011599A1 Gleisuebergangseinrichtung Track gangway device |
| 10/10/1991 | DE4011302A1 Antislip mat for footpaths in winter - has central reinforcing fabric or mesh, with PVC foam on both sides and cut-away holes forming crossbars covered in particles on upper face |
| 10/08/1991 | US5055151 Heating, pressurization to bond thermoplastic filaments |
| 10/08/1991 | US5054957 Paving block |
| 10/02/1991 | EP0449040A1 Floor covering |
| 10/02/1991 | DE4010036A1 Concrete slab for road - comprises two parallel wear surfaces of one-piece structure free from through apertures |
| 09/24/1991 | US5051023 Fracture-free layered paving blocks |
| 09/17/1991 | CA1288992C Paving blocks and method for production thereof |
| 09/10/1991 | US5046887 Guttered paving blocks |
| 09/03/1991 | CA1288270C Frames for installing wooden bricks |
| 08/27/1991 | CA1287965C Decorative, functional element for construction and the like |
| 08/22/1991 | DE4020650A1 Concrete paving slabs with spacers - are elongated irregular sided octagons with internal angles all of less than 180 deg. |
| 08/22/1991 | DE4004644A1 Concrete paving slabs with spacers and dummy joints - are longitudinal irregular octagons with internal angles less than 180 deg. made up into sets of four |
| 07/30/1991 | US5035532 Method and apparatus for constructing an articulated pavement system |
| 07/25/1991 | WO1991010779A1 Block for paving and like uses |
| 07/25/1991 | DE4001432A1 Moulded concrete tile - consists of two differently shaped individual tiles with arcuate engaging for faces |
| 07/02/1991 | US5028167 Paving block arrangement for laying a paving-set arc assembly |
| 06/26/1991 | CN1052519A Rib-type cement concrete road surface slab and constructive method thereof |
| 06/25/1991 | CA1285166C Method and apparatus for construction of artificial roads |
| 05/29/1991 | EP0429271A1 Building block |
| 05/29/1991 | EP0428762A1 Slab-shaped paving element |
| 05/23/1991 | DE4036461A1 Concrete paving slabs with projections on sides - enables slabs to be laid either bonded or in straight lines with half width of joint |
| 05/21/1991 | CA2030285A1 Building block |
| 05/16/1991 | WO1991006707A1 Improvements in and relating to duckboards |
| 05/16/1991 | DE3937662A1 Concrete paving slab - has projections formed along edges which fit between projections on edges of adjacent slabs |
| 05/08/1991 | EP0425901A1 Tactile signalling structure for sight disabled people incorporated in conventional paving |
| 05/08/1991 | DE3936527A1 Formsteinsatz und formstein zum belegen von bodenflaechen mit breiten fugen Set of shaped stones and stone shape to prove by bodenflaechen with wide joints |
| 05/07/1991 | US5013029 Shock-attenuating seamless surface system for use on vertical takeoff and landing zones |
| 05/03/1991 | WO1991006706A1 Set of shaped bricks and shaped brick with broad joints for paving |
| 05/02/1991 | WO1991005914A1 Paving and tiling |
| 05/02/1991 | EP0424592A1 Interlocking blocks |
| 05/02/1991 | CA2066639A1 Paving and tiling |
| 05/01/1991 | CA2028727A1 Structure for signalling obstacles and dangerous areas to people unable to see |
| 04/25/1991 | DE3934684A1 Stone sets for building around inserts in road - have dove-tailed grooved surfaces to form key for fixing mastic in which they are bedded |
| 04/24/1991 | EP0423281A1 Slab lining. |
| 04/17/1991 | EP0422340A1 Panel for applying to a building and method for producing the same |
| 04/16/1991 | US5007220 Non-periodic and periodic layered space frames having prismatic nodes |
| 04/09/1991 | US5006011 Frames for installing wooden bricks |
| 04/07/1991 | WO1991005111A1 Slab-like concrete block, as well as process and device for manufacturing the latter |
| 04/07/1991 | CA2067332A1 Slab-like concrete block, as well as process and device for manufacturing the latter |
| 03/14/1991 | DE3927601A1 Top surface treatment for stone products - is for concrete-paving stones and involves milling machine to remove 3 mm from top surface within 24 hours of casting |
| 03/12/1991 | US4998717 Impact-absorbing safety matting system for a helipad |
| 03/06/1991 | EP0415093A1 Hexagonal respectively pentagonal stone |
| 03/05/1991 | US4997308 Paving stone |
| 03/05/1991 | CA1280926C Paving stone set |
| 02/26/1991 | US4995932 Method for production of paving blocks |
| 02/20/1991 | EP0413078A1 Method for improving the surface appearance of a water-permeable ceramic molding |
| 02/12/1991 | US4991834 Shock-attenuating seamless surface system for use under and around playground equipment |
| 02/12/1991 | CA1280020C Paving block arrangement for laying a paving-set arc assembly |
| 01/31/1991 | DE3923656A1 Redn. of distortion in floor tiles made from recycled plastic - includes compensation zones which divide the tile and prevent transfer of shrinkage stresses from one area to another |
| 01/30/1991 | CN2070319U Sports ground shaped elements material |
| 01/16/1991 | EP0408479A1 Temporary road and process for using the same |
| 01/14/1991 | CA2020716A1 Emergency driving strip and process for same |
| 01/02/1991 | EP0406063A1 Synthetic paving element and kerbedging made of these elements |
| 11/27/1990 | US4973192 Interlocking paving stone and ground cover formed thereof |
| 11/20/1990 | CA1276494C Paving stone |
| 11/14/1990 | EP0396975A2 Process for colouring building materials |
| 11/14/1990 | CN2065624U Brick for road surface |
| 10/31/1990 | EP0210987B1 Paving block |
| 10/31/1990 | CN2064783U Rainproof cement prefabricated board |
| 10/26/1990 | WO1990012936A1 Slab lining |
| 10/16/1990 | US4963055 Portable reinforced asphalt tile |
| 10/16/1990 | US4963054 Frames for constructing pavement boards |
| 10/05/1990 | WO1990012152A1 Angled paving stone |
| 09/26/1990 | EP0388496A1 Process for producing humus |
| 09/25/1990 | US4958964 Semirigid floating pavement |
| 09/04/1990 | US4953341 Spacers for laying tile and method of use |
| 08/29/1990 | WO1990010112A1 Floor covering element |
| 08/29/1990 | CA2032152A1 Floor covering element |
| 08/22/1990 | EP0383343A1 Paving slab or paving element made of natural stone, preferably basalt |
| 08/16/1990 | EP0382667A1 Easily dismantled floor |
| 08/14/1990 | US4948116 Impact-absorbing safety matting system for a children's play mat |
| 08/07/1990 | CA1272410A1 Paving stone |
| 07/25/1990 | CN1044141A Reinforced concrete prefabricated board |
| 07/17/1990 | US4941301 Elements with opening |
| 07/11/1990 | EP0377460A1 Set of concrete paving blocks |
| 07/10/1990 | US4940364 Concrete construction units and multi-ply concrete composites made therefrom |
| 07/05/1990 | DE3942517A1 Rectangular floor slabs with distance ribs - ribs are asymmetrical w.r.t. those on opposite sides, allowing slabs to be laid in curved patterns without joints |
| 06/27/1990 | CN1043357A Water-permeable cement concrete pavement |
| 06/27/1990 | CN1043356A Method and apparatus for constructing articulated pavement system |
| 06/13/1990 | DE3920746A1 Wasserdurchlaessiger zementbetonbelag Water permeable cement concrete flooring |
| 05/17/1990 | WO1990005213A1 Containment system for paving material |
| 05/07/1990 | CA2002374A1 Containment system for paving material |
| 04/25/1990 | EP0364474A1 Tiles for playground surfaces. |
| 04/24/1990 | US4919565 Composite stone set |
| 04/24/1990 | US4918777 Slab-stem unit forming a trafficway |
| 04/18/1990 | EP0364125A1 Paving |
| 04/17/1990 | US4917532 Grid plate |
| 03/13/1990 | US4907909 Paving stone set |
| 02/13/1990 | US4899932 Capped highway grade crossing |