| Patents for A63C 19 - Design or layout of playing courts, rinks, bowling greens or areas for water-skiing; Covers therefor (2,977) |
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| 07/19/1992 | WO1992012767A2 Golfing facility |
| 07/19/1992 | CA2106298A1 Golfing facility |
| 07/09/1992 | WO1992011067A1 Method and panel for constructing court walls |
| 07/09/1992 | DE4100313A1 Woven floor covering - utilises pick count between Jacquard system to insert line markings for a tennis court |
| 07/08/1992 | EP0493534A1 Surface covering material |
| 07/07/1992 | US5127164 Ice surface line applicator |
| 07/01/1992 | EP0493354A1 A method of marking of an ice surface |
| 06/30/1992 | US5125459 Apparatus for smoothing granular material |
| 06/22/1992 | CA2058164A1 Method of marking of an ice surface |
| 06/17/1992 | EP0490628A1 Indoor golf facility |
| 06/17/1992 | CN2107295U Cinder track mark line device for track and field ground |
| 06/11/1992 | WO1992007142A3 A field containing artificial grass and a device for inserting artificial grass fibres |
| 06/11/1992 | CA2056160A1 Indoor golf facility |
| 06/09/1992 | CA1303084C Sporting surfaces |
| 05/29/1992 | WO1992008936A1 Snowmaking method and device |
| 05/27/1992 | EP0486763A1 An articulated pole for skiing tracks which has an out-of-ground part made of a soft material |
| 05/27/1992 | DE4105941C1 Glide element for artificial ski slope - homogeneous glass laminate with inserted reinforcing metal wire mesh and top beads |
| 05/14/1992 | WO1992007713A1 Elastic coating (coverall-system) |
| 05/12/1992 | CA1300415C Method of collecting, preserving and repositioning snow on a ski slope |
| 04/29/1992 | EP0356492B1 Slalom gate |
| 04/27/1992 | WO1992007633A1 Geometric tennis lanes |
| 04/27/1992 | CA2093430A1 Geometric tennis lanes |
| 04/17/1992 | WO1992007142A2 A field containing artificial grass and a device for inserting artificial grass fibres |
| 04/16/1992 | WO1992005690A1 Turfing systems for stadia |
| 04/14/1992 | US5104712 Fabric with multilayer undercoating of liquid impermeable sheet bonded with adhesive and hydrophobic foam |
| 04/02/1992 | WO1992004944A1 Device for shock-absorbing when making movements |
| 04/01/1992 | EP0302087B1 Automatic apparatus for covering fields, in particular sports pitches |
| 03/25/1992 | EP0476147A1 Mini-golf course |
| 03/19/1992 | WO1992004083A1 Device for displaying impacts on ball game court delimitation lines, in particular tennis |
| 03/17/1992 | CA1297514C Apparatus for producing artificial wave |
| 03/11/1992 | EP0473639A1 Sports floor with line marking |
| 03/11/1992 | EP0473579A1 Portable cushioned floor system |
| 03/05/1992 | WO1992004087A1 Water ride attraction |
| 03/05/1992 | WO1992003201A1 Water ride with water propulsion devices |
| 03/05/1992 | WO1992003193A1 Curling hack |
| 03/03/1992 | US5093169 Indoor sport floor mat comprising a plurality of fastenable/unfastenable mat units |
| 02/18/1992 | US5088724 Polymer dissolved in extender oil |
| 02/12/1992 | EP0470889A1 Ground marking material |
| 02/11/1992 | US5087030 Roller skating rink |
| 01/31/1992 | WO1992002832A1 Golf course range finder system |
| 01/31/1992 | CA2088598A1 Golf course range finder system |
| 01/22/1992 | CN2093671U Combined distance making-out means |
| 01/08/1992 | CN1057590A Miniature golf links |
| 01/01/1992 | CN2091701U Means for marking-out of sports field |
| 12/31/1991 | US5076586 3-course miniature golf links |
| 12/17/1991 | US5072530 Device for preparing the landing piste of a ski-jump |
| 12/12/1991 | WO1991018651A1 Low friction surface for sport or play |
| 11/27/1991 | EP0304418B1 Marker post system |
| 11/14/1991 | DE4033715C1 Raised floor for building - has sports tracks formed by segments each tilted by spindle |
| 11/07/1991 | DE4013950A1 Laser-guided straight line marking appts. - adjusts travel direction of paint-dispensing vehicle relative to laser beam |
| 11/06/1991 | EP0455410A2 Barrier |
| 10/22/1991 | CA1291180C Method of constructing multi-layer type putting green |
| 10/15/1991 | US5057346 Floatable pad with weather precipitation collector and/or removable hook |
| 10/08/1991 | US5054797 Roller bracket structure for a skateboard |
| 10/02/1991 | WO1991015277A1 Mini-golf course |
| 10/02/1991 | EP0448768A1 Indoor sport floor mat comprising a plurality of fastenable/unfastenable mat units |
| 10/02/1991 | CA2057019A1 Miniature golf links |
| 09/25/1991 | CN1054724A Indoor sporting carpet made of more pieces of detachable block |
| 09/24/1991 | US5050867 Portable protective cage for athletic equipment |
| 09/10/1991 | US5046839 Golf course range finder system |
| 09/10/1991 | CA1288788C Wave pool |
| 09/10/1991 | CA1288640C Bendable marker and method of marking |
| 09/05/1991 | WO1991013208A1 Cover for an area of ground |
| 08/20/1991 | US5040478 Bendable marker with signage protection feature |
| 08/17/1991 | CA2036238A1 Modularized miniature golf course apparatus and method for constructing same |
| 08/14/1991 | EP0441744A2 Coverplate for drainage ditches |
| 07/09/1991 | WO1991010486A1 Material to pave skating rinks |
| 07/09/1991 | CA2046856A1 Material to pave skating rinks |
| 07/02/1991 | US5027613 Floating ice rink |
| 06/19/1991 | EP0433237A2 Shock absorbing mat |
| 06/18/1991 | US5024551 Resilient slalom gate |
| 05/28/1991 | US5018721 Sliding device |
| 05/15/1991 | EP0427677A1 Roller-tarpaulin |
| 05/08/1991 | DE3936655A1 Locally fixed training device for skiers - incorporates moving sliding endless belt with variable speed and slope |
| 05/07/1991 | US5013029 Shock-attenuating seamless surface system for use on vertical takeoff and landing zones |
| 04/24/1991 | EP0424297A1 Method and device for the marking of lines in sports grounds |
| 04/24/1991 | EP0423414A1 Device for preparing the lower ski-run of a ski-jump |
| 04/24/1991 | EP0423218A1 A temporary line marking method and apparatus. |
| 04/03/1991 | EP0407383A4 Sports apparatus |
| 04/02/1991 | US5004235 Surface unit on peripheral wall of tennis court field |
| 03/27/1991 | EP0419170A2 Ground surface material |
| 03/27/1991 | CN2073764U Lay out line machine for track and field track |
| 03/26/1991 | US5002284 Balloon bounce game |
| 03/22/1991 | CA2025701A1 Ground surface material |
| 03/21/1991 | DE4005096C1 Sports stadium barrier fence - comprises screw-on frames and releasable planks bearing against ground anchor posts |
| 02/12/1991 | US4991834 Shock-attenuating seamless surface system for use under and around playground equipment |
| 02/04/1991 | CA2026835A1 Apparatus for laying curved lines in an ice rink |
| 01/30/1991 | CN2070320U Road traffic line marking device |
| 01/29/1991 | US4987657 Airtight, watertight mechanical seam for joining panels of industrial strength fabrics |
| 01/24/1991 | WO1991000805A1 Surface covering material |
| 01/16/1991 | EP0407383A1 Sports apparatus |
| 01/08/1991 | WO1991000804A1 Surface covering material |
| 01/08/1991 | CA2063566A1 Surface covering material |
| 01/02/1991 | EP0404770A1 Support for a resilient mounted floor for indoor stadia. |
| 12/27/1990 | EP0403646A1 Surface member of peripheral walls of tennis court |
| 12/25/1990 | US4979754 Portable beach game |
| 12/25/1990 | US4979373 Apparatus for making and maintaining an ice surface |
| 12/20/1990 | DE4003852A1 Temporary roof made of sheet material - comprises hoses alongside each other on structure and filled with gas |
| 12/18/1990 | US4977662 Airtight watertight mechanical seam for joining panels of industrial strength fabrics |
| 12/11/1990 | US4976422 Artificial ski slope |