| 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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| 09/04/1990 | US4953360 Additive for treating water used to form ice |
| 09/02/1990 | WO1990010183A1 Snowmaking method and device |
| 07/25/1990 | EP0378636A1 Snow making equipment |
| 07/25/1990 | EP0250425B1 Device and method for producing artificial snow |
| 05/15/1990 | CA1268954A1 Method for making artificial snow |
| 04/26/1990 | DE3836172A1 Snow production unit using water atomiser nozzles |
| 04/24/1990 | US4919331 Snow making apparatus and method for making snow |
| 04/17/1990 | US4917297 Snow gun |
| 04/17/1990 | US4916911 Snowmaking process and apparatus |
| 04/10/1990 | US4915302 Device for making artificial snow |
| 04/10/1990 | US4914923 Method of covering artificial alpine- or nordic-skiing tracks with snow and means for implementing the method |
| 02/27/1990 | US4903895 Snow making nozzle assembly |
| 02/20/1990 | US4901920 Snow making apparatus and methods |
| 12/28/1989 | WO1989012793A1 Snow making equipment |
| 12/26/1989 | US4889180 System for use in providing compressed air for snow making equipment |
| 12/19/1989 | CA1263921A1 Lift mounted snowmaker |
| 09/26/1989 | CA1261158A1 Apparatus for retaining cooling pipes for an ice rink |
| 06/06/1989 | US4836446 Device and method for producing artificial snow |
| 05/09/1989 | US4828175 Snow-making machine |
| 04/25/1989 | US4823518 Lift mounted snowmaker |
| 03/22/1989 | EP0307712A2 Ice-making method using ice-nucleating micro-organisms |
| 03/21/1989 | US4813598 Snow making apparatus and method for making snow |
| 03/21/1989 | US4813597 Process for making snow |
| 03/07/1989 | US4809514 Apparatus for removing snow deposited on wall of snow generating apparatus |
| 01/17/1989 | US4798331 Artificial snow production apparatus |
| 01/17/1989 | CA1248768A1 Snowmaking machine with compressed air driven reaction fan |
| 01/10/1989 | US4796805 Ice making method using ice nucleating microorganisms |
| 01/04/1989 | EP0143835B1 Self-regulating hydrant |
| 12/27/1988 | US4793554 Device for making artificial snow |
| 12/27/1988 | US4793142 Method for making artificial snow |
| 12/20/1988 | US4792093 Artificial snow wetting apparatus |
| 12/20/1988 | CA1246881A1 Apparatus particularly for an ice rink |
| 12/13/1988 | US4790531 Indoor ski slope and apparatus for making snow thereon |
| 12/13/1988 | EP0232273A4 Method for making artificial snow. |
| 11/01/1988 | CA1243851A1 Method and apparatus for making artificial snow |
| 09/06/1988 | US4768711 Apparatus for changing artificial snow to wet snow |
| 08/30/1988 | US4767054 Apparatus for changing artificial snow to wet snow |
| 08/10/1988 | EP0277933A2 Artificial-snow making device |
| 07/26/1988 | US4759503 Device for making artificial snow |
| 07/13/1988 | EP0274305A2 Method for covering artificial alpine or nordic ski runs with snow and means for carrying out the method |
| 06/16/1988 | WO1988004394A1 Method for covering with snow artificial slopes for downhill or cross-country skiing, and means for implementing such method |
| 06/07/1988 | US4749127 Telescoping snow making apparatus and method for using same |
| 05/24/1988 | US4746064 Snow generating and snowfall apparatus |
| 05/18/1988 | EP0130502B1 Application of a heat and cold exchanger |
| 05/10/1988 | US4742959 Snow gun |
| 05/10/1988 | US4742958 Method for making artificial snow |
| 03/15/1988 | US4730774 Dual pressure compensating snowmaking apparatus |
| 03/15/1988 | CA1234168A1 Snow transfer machine |
| 03/01/1988 | US4728536 Spreading foam layer |
| 01/07/1988 | EP0250425A1 Device and method for producing artificial snow. |
| 01/05/1988 | US4717072 Sequential valve and drain for snow gun |
| 12/08/1987 | US4711395 Method and apparatus for making snow |
| 11/19/1987 | EP0246179A2 Cold chamber for use in a sauna bath |
| 10/20/1987 | US4700548 Control apparatus for ice rink refrigeration equipment |
| 08/19/1987 | EP0232273A1 Method for making artificial snow. |
| 07/28/1987 | US4682729 Snowmaking machine with compressed air driven reaction fan |
| 05/27/1987 | EP0222843A1 Method for making artificial snow |
| 03/10/1987 | CA1218852A1 Method and apparatus for making artificial snow |
| 02/24/1987 | CA1218244A1 Method and apparatus for making snow |
| 01/06/1987 | US4634050 Fanless air aspiration snowmaking apparatus |
| 12/30/1986 | EP0206705A1 Machine for making snow |
| 12/18/1986 | WO1986007373A1 Method for making artificial snow |
| 11/20/1986 | EP0057720B1 Variable gas atomization |
| 10/14/1986 | US4616486 Apparatus for retaining cooling pipes for an ice rink |
| 10/09/1986 | WO1986005864A1 Device and method for producing artificial snow |
| 09/16/1986 | US4611471 Ice making apparatus particularly for an ice rink |
| 07/16/1986 | EP0187563A1 Snow gun feeding devices in systems for providing ski slopes with artificial snow |
| 07/01/1986 | US4597524 Snow making machine |
| 06/17/1986 | US4594859 Ice skating rink |
| 06/10/1986 | US4593854 Snow-making machine |
| 05/22/1986 | WO1986002936A1 Method for making artificial snow |
| 04/15/1986 | EP0112342A4 Novel ice nucleating microorganisms. |
| 03/04/1986 | US4573636 Method and apparatus for making artificial snow |
| 01/07/1986 | CA1198904A1 Snow gun |
| 01/07/1986 | CA1198903A1 Snow gun |
| 11/12/1985 | US4551985 Rink covering structure |
| 11/06/1985 | EP0160119A1 Method and apparatus for producing snow at marginal ambient temperatures and eliminating compressed air line freeze-up and oil contamination |
| 10/15/1985 | CA1195131A1 Method and apparatus for removing condensate and oil particles from a stream of compressed air used in the production of snow |
| 10/08/1985 | US4545529 Method and apparatus for automatically making snow |
| 09/17/1985 | US4541250 Cooling, crystallization compressed air containing oil particles, liquefaction, separation out oil, and heat exchanging to supercool |
| 09/17/1985 | CA1193460A1 Method and apparatus for automatically making snow |
| 09/03/1985 | US4538369 Snow transfer installation |
| 09/02/1985 | EP0143835A4 Self-regulating hydrant. |
| 08/13/1985 | US4534178 Method and apparatus for removing condensate and oil particles from a stream of compressed air used in the production of snow |
| 08/06/1985 | US4532772 Method for producing model ice |
| 07/23/1985 | CA1190756A1 Snow-making nozzle |
| 06/12/1985 | EP0143835A1 Self-regulating hydrant. |
| 05/14/1985 | US4516722 For making snow from compressed air and water |
| 05/07/1985 | US4514992 Refrigeration system for ice rinks utilizing pressure control/metering valve |
| 04/30/1985 | US4513583 Air cooled ice rink construction |
| 04/16/1985 | US4511083 Self-regulating hydrant |
| 04/16/1985 | CA1185444A1 Ice rink refrigerant distribution means |
| 01/15/1985 | US4493457 Method and apparatus for making artificial snow |
| 01/09/1985 | EP0130502A2 Application of a heat and cold exchanger |
| 01/01/1985 | US4491273 Snow gun |
| 12/11/1984 | CA1179397A1 Variable gas atomization |
| 11/22/1984 | WO1984004582A1 Self-regulating hydrant |
| 11/06/1984 | US4480788 Snow gun |
| 10/09/1984 | US4475688 Artificial snow making |
| 10/02/1984 | CA1175468A1 Efficiency nozzle |