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