| Patents for F25C 3 - Methods or apparatus specially adapted for the production of ice or snow for winter sports or similar recreational purposes, e.g. for sporting installations; Production of artificial snow (1,063) |
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| 09/11/1984 | CA1174064A1 Snow making machine |
| 08/28/1984 | US4467619 Method of using frozen salt water to maintain a low cost, low energy consuming indoor or outdoor ice rink |
| 08/28/1984 | US4467614 Method and apparatus for removing condensate and oil particles from a stream of compressed air used in the production of snow |
| 08/14/1984 | US4465230 Method and apparatus for making snow |
| 08/07/1984 | US4464473 Ice nucleating microorganisms |
| 07/17/1984 | CA1171038A1 Ice surfacing apparatus |
| 07/04/1984 | EP0112342A1 Novel ice nucleating microorganisms. |
| 04/25/1984 | EP0106731A1 Machine for transporting snow |
| 02/08/1984 | EP0100212A2 Air cooled ice rink construction |
| 11/15/1983 | US4414821 Ice rink refrigerant distribution means |
| 11/10/1983 | WO1983003831A1 Novel ice nucleating microorganisms |
| 09/28/1983 | EP0089590A1 Snow making machine |
| 09/20/1983 | CA1153902A1 Air cooled ice rink construction |
| 08/18/1983 | WO1983002736A1 Variable gas atomization |
| 07/27/1983 | EP0084187A1 Snow gun |
| 07/27/1983 | EP0084186A1 Snow gun |
| 05/17/1983 | US4383646 Snow making nozzle |
| 12/09/1982 | EP0057720A4 Variable gas atomization. |
| 10/12/1982 | US4353504 High pressure snow gun |
| 09/14/1982 | US4349156 Efficiency nozzle |
| 08/24/1982 | US4345439 Snowmaking method and apparatus |
| 08/18/1982 | EP0057720A1 Variable gas atomization. |
| 07/27/1982 | CA1128328A1 High pressure snow gun |
| 03/16/1982 | US4319462 Refrigeration system for heat exchangers such as used in ice rinks and the like |
| 03/04/1982 | WO1982000605A1 Variable gas atomization |
| 02/09/1982 | US4314670 Variable gas atomization |
| 10/27/1981 | CA1111463A1 Snowmaking nozzle |
| 10/20/1981 | US4295608 Snowmaking nozzle |
| 09/02/1981 | EP0034930A2 Methods and apparatus for making artificial snow |
| 09/01/1981 | CA1107977A1 Snowmaking machine and method |
| 06/30/1981 | US4275833 Snow-making apparatus |
| 05/20/1981 | EP0028949A2 Method of constructing the substructure of a dismantable natural-ice skating rink |
| 12/30/1980 | CA1092379A1 Refrigeration system for heat exchangers such as used in ice rinks and the like |
| 10/29/1980 | EP0018280A2 High pressure snow gun and battery of such snow guns |
| 09/23/1980 | US4223836 Snowmaking machine and method |
| 09/16/1980 | US4222519 Method and machine for making artificial snow |
| 07/29/1980 | US4214700 Method and apparatus for making snow for ski slopes and the like |
| 05/13/1980 | US4202496 Snow making system |
| 04/29/1980 | US4200228 Snow making |
| 04/22/1980 | US4199103 Adjustable snow making tower |
| 03/25/1980 | US4194689 Method and apparatus for making snow |
| 03/04/1980 | CA1072757A2 Method and machine for making artificial snow |
| 03/04/1980 | CA1072756A1 Method and machine for making artificial snow |
| 10/17/1979 | EP0004803A2 Method and apparatus for the automatic production of snow |
| 06/26/1979 | CA1057069A1 Method and apparatus for making and holding ice in an artificial ice rink |
| 05/15/1979 | CA1054657A1 Method and device for handling snow |
| 03/27/1979 | CA1051209A1 Chiller for ice rink refrigeration systems |
| 03/20/1979 | US4145000 Snow-making nozzle assembly |
| 08/08/1978 | US4105161 Method of making artificial snow |
| 07/18/1978 | US4101073 Two-fluid spray nozzle producing fine atomization of liquid |
| 04/11/1978 | US4083492 Apparatus and method for preventing icing on a snow-making machine |
| 10/11/1977 | USRE29438 Apparatus for creating and maintaining an ice slab |
| 09/27/1977 | US4050169 Snow distribution system |
| 05/10/1977 | US4021972 Air supported, multi-wall, insulated structure and process of producing same |
| 01/25/1977 | US4004732 Snow making method |
| 11/09/1976 | US3990260 Low-temperature dehumidifier |
| 10/05/1976 | US3983713 Method of creating and outdoor ice slab in summer weather and of reducing energy requirements for indoor and outdoor ice rinks |
| 09/07/1976 | US3979061 Method and apparatus for making artificial snow |
| 07/20/1976 | US3969908 Artificial snow making method |
| 06/22/1976 | US3964682 Method and apparatus for making snow produced by cumulative crystallization of snow particles |
| 04/27/1976 | US3952949 Method of making snow |
| 04/06/1976 | US3948442 Apparatus and method for making snow with uniform drop size |
| 03/23/1976 | US3945567 Snow making apparatus |