| Patents for E01C 13 - Pavings or foundations specially adapted for playgrounds or sports grounds (3,222) |
|---|
| 09/30/1982 | WO1982003234A1 Device for paving elastic surface material |
| 09/14/1982 | US4349293 Compound block kit |
| 09/08/1982 | EP0059327A2 Ground covering for open spaces and process for making it |
| 09/01/1982 | EP0058825A1 Resilient safety surfacing slab |
| 08/18/1982 | EP0057743A1 Cross-country ski track forming device |
| 07/27/1982 | US4341836 Surfacing for sports areas, more particularly tennis courts |
| 07/21/1982 | EP0056238A1 Drainage apparatus for sports fields |
| 07/13/1982 | CA1127677A1 Frame for a portable skating rink |
| 06/29/1982 | US4337292 Sheet material for use as playing surfaces and method for the manufacture thereof |
| 06/29/1982 | US4337283 Synthetic turf playing surface with resilient top-dressing |
| 06/29/1982 | US4336932 Edging for the track inside of a sports installation |
| 06/22/1982 | US4336286 Tennis court surface with sand topdressing |
| 04/29/1982 | WO1982001386A1 Process for keeping exposed surfaces free of ice and snow or thawing them out,piped surface-heating system to carry out the process,and process for the manufacture of such a piped surface-heating system |
| 04/20/1982 | US4325546 Modular athletic playing surface with tuned compliance |
| 04/20/1982 | CA1122236A1 Top dressed playing surface with resilient underpad |
| 02/18/1982 | WO1982000469A1 Process for setting a latex of a film forming polymer |
| 02/10/1982 | EP0045619A1 Process for setting a latex of a film forming polymer |
| 01/26/1982 | US4312504 System for converting synthetic turf surfaces from one to another condition |
| 01/12/1982 | US4310588 Self-lubricating base of silicone resin, polyvinylidene fluoride or furan resin |
| 01/05/1982 | US4309031 Strike zone pad |
| 12/29/1981 | US4307879 Athletic playing surface |
| 11/17/1981 | US4301207 Floor covering for indoor sports arena |
| 11/10/1981 | CA1112062A1 Grass sports surfaces and a method for maintaining them |
| 10/20/1981 | US4296160 Wherein the grating comprises a molded thermoplastic sheet |
| 09/30/1981 | EP0036644A1 Surfacing for sports areas, particularly tennis courts, and method of construction |
| 08/26/1981 | EP0034296A1 Surface treatment |
| 08/25/1981 | US4285514 Ramp device for practicing wheeled sports |
| 08/05/1981 | EP0033135A1 Drain or drainage channel with a coverplate of elastic material |
| 07/07/1981 | CA1104600A1 System and method for converting synthetic turf surfaces from one to another condition |
| 05/26/1981 | US4268993 Grass sports surfaces and a method for maintaining them |
| 05/20/1981 | EP0028949A2 Method of constructing the substructure of a dismantable natural-ice skating rink |
| 05/19/1981 | US4268551 Artificial grass surface and method of installation |
| 05/19/1981 | US4267681 Resilient structures |
| 03/31/1981 | US4258911 Skateboard arena |
| 01/21/1981 | EP0022624A1 Process for setting a polychloroprene-latex |
| 01/07/1981 | EP0021028A2 Method of producing a water-permeable surfacing for play and/or sports grounds |
| 01/07/1981 | EP0020564A1 Top dressed playing surface with resilient underpad |
| 12/24/1980 | WO1980002843A1 Process for setting a latex of a film forming material |
| 10/29/1980 | EP0018234A1 Grass sports surfaces and a method for maintaining them |
| 10/28/1980 | US4230752 Cigarette burn proof artificial grass |
| 09/17/1980 | EP0015432A1 Surfacing for sports localities having a solid substructure |
| 08/12/1980 | US4217383 Foam coated carpet primary backing material |
| 06/10/1980 | US4207376 Antistatic filaments having an internal layer comprising carbon particles and process for preparation thereof |
| 04/22/1980 | US4199639 Sandwich-structured double layer floor covering |
| 04/17/1980 | WO1980000649A1 Top dressed playing surface with resilient underpad |
| 04/15/1980 | US4198042 Paddle tennis court and deck construction |
| 02/20/1980 | EP0008287A1 Coating for sliding runway |
| 02/05/1980 | CA1070915A1 Mat and units thereof |
| 12/25/1979 | CA1068527A Paving slab |
| 12/18/1979 | US4179539 Ski slope |
| 11/28/1979 | EP0005473A1 Process for the manufacture of laminated materials and binding agent suited to carry out the process |
| 11/27/1979 | CA1067247A1 Process for the production of laminates |
| 11/14/1979 | EP0005238A2 Floor covering for indoor or outdoor sporting and playing areas |
| 11/06/1979 | CA1065907A1 Recreational downhill slide |
| 10/30/1979 | US4172593 Roller skating rink |
| 10/30/1979 | CA1065240A1 Artificial fibers preparation |
| 10/23/1979 | US4172168 Lay-flat flooring slab |
| 10/02/1979 | US4169688 Artificial skating-rink floor |
| 10/02/1979 | US4169339 Plate for grating and grating resulting therefrom |
| 09/11/1979 | US4167599 Bath mat |
| 08/28/1979 | CA1061124A1 Method of securing a perimeter fence around an ice rink without embedding into ground |
| 08/07/1979 | CA1060057A1 Supported turf structure of plasticized sulphur |
| 07/26/1979 | WO1979000479A1 Coating for sliding runway |
| 07/24/1979 | CA1059172A1 Lubricated plastic skating surface |
| 07/17/1979 | US4161558 Artificial turf |
| 07/10/1979 | CA1058238A1 Laminar roller rink surface and method of producing same |
| 06/05/1979 | CA1055979A1 Athletic playing surface with granular material between pile elements |
| 05/29/1979 | US4156746 Method and mixture for producing an artificial skiing track |
| 05/01/1979 | US4152473 Synthetic turf seams |
| 04/17/1979 | CA1052832A1 Interlockable units forming an artificial ice skating surface |
| 04/10/1979 | US4148477 Simulated ski slope slide structure |
| 04/10/1979 | CA1052110A1 Apparatus for irrigating and draining playgrounds and sports fields |
| 03/27/1979 | US4146221 Platform paddle tennis court deck and associated equipment |
| 02/07/1979 | EP0000562A1 Two-layer floor covering with sandwich structure for playgrounds and sports grounds and method of production |
| 02/06/1979 | US4138514 Pile surface resembling turf and method of making it |
| 01/23/1979 | US4135634 Container or like structure |
| 12/19/1978 | US4130283 Simulated fairway surface for golf apparatus |
| 12/19/1978 | US4129916 Adjustable skateboard ramp |
| 10/24/1978 | US4121821 Skateboard rink and method |
| 10/24/1978 | US4121431 Process for the repair and restoration of ice tracks |
| 09/05/1978 | US4112176 Isocyanate prepolymer crosslinked with urea or biuret |
| 09/05/1978 | US4111585 Module and modular support for turfgrass and like areas |
| 08/29/1978 | US4109904 Passenger slide |
| 05/02/1978 | US4087088 Moving artificial ski surface construction |
| 04/04/1978 | US4082888 Cushioned protective surface |
| 02/14/1978 | US4073753 Outdoor surface compositions |
| 01/17/1978 | US4068840 Playing surface for handball and racquetball courts |
| 01/10/1978 | US4067757 Edging for synthetic turf material |
| 12/06/1977 | US4061804 Non-directional rectangular filaments and products |
| 11/22/1977 | US4058930 Turf growing apparatus |
| 10/25/1977 | US4054987 Construction method |
| 08/23/1977 | US4044179 Tennis |
| 08/23/1977 | US4043962 Particulated rubber and plastics coverings and binders therefor |
| 08/16/1977 | US4042735 Carpet construction |
| 08/02/1977 | US4038834 Ice skating arena |
| 06/28/1977 | US4032139 Process for extending the seasonal useful life of ski trails and ski trails produced thereby |
| 06/21/1977 | US4030729 Ice skating surface |
| 05/24/1977 | US4025579 Process for the production of sheet-like structures |
| 05/17/1977 | US4023506 System and process for providing durability enhanced area |
| 05/10/1977 | US4022437 Batter-board support |