| Patents for E01H 4 - Working on surfaces of snow or ice in order to make them suitable for traffic or sporting purposes, e.g. by compacting snow (708) |
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| 06/27/2006 | CA2404425C Apparatus and method for snow grooming a terrain park or ski area slopes |
| 06/22/2006 | DE202005002235U1 Schneeflächenverdichter und Spurvorrichtung Snow surface compressor and trace device |
| 06/14/2006 | DE102004059821A1 Maintenance device e.g. for slopes which can be attached to vehicle, has housing walls provided as vibration surface and cutting tool rotatably arranged in housing |
| 05/31/2006 | EP1660727A1 Magnetic blade attachment in an ice conditioning machine |
| 05/30/2006 | US7051461 Walk-behind working machine |
| 04/20/2006 | US20060081381 Material handling apparatus |
| 04/18/2006 | CA2340770C Planing device mounted on machines for processing ice |
| 04/11/2006 | US7025158 Piste-maintenance tracklaying vehicle |
| 03/07/2006 | CA2488580A1 Material handling apparatus |
| 01/19/2006 | WO2006005283A1 Supporting runner for the plane on ice preparation equipment |
| 01/19/2006 | CA2569769A1 Supporting runner for the planing device on machines for ice preparation |
| 01/10/2006 | US6983927 Level wind apparatus for use on a snow grooming vehicle |
| 01/04/2006 | EP1611291A1 Ice resurfacing machine as well as system and method for ice maintenance |
| 12/15/2005 | DE102004025973A1 Device for anchoring a longitudinal flexible winch pulling device of a winch arranged on a vehicle comprises guiding units on the vehicle side for guiding one end of the winch pulling device to an anchoring part |
| 12/07/2005 | EP1602786A2 Winch arrangement. |
| 11/24/2005 | DE202005014575U1 Räumschild und Pistenpflegefahrzeug Snow blade and snow grooming vehicle |
| 11/03/2005 | US20050245184 Ice resurfacing blade |
| 10/25/2005 | CA2287393C Rotary snow plow |
| 09/27/2005 | US6948267 Device for optimization of the thickness of an ice layer |
| 09/27/2005 | US6948266 Vehicular arm assembly |
| 09/14/2005 | EP1255895B1 Working device |
| 08/23/2005 | US6931874 Ice maker and a method of making ice |
| 07/14/2005 | WO2005064085A1 Device for resurfacing an ice rink or track |
| 06/03/2005 | CA2451886A1 Ice scraper |
| 04/14/2005 | US20050076542 Snow surface grooming apparatus |
| 04/05/2005 | US6874259 Device for preparing snow |
| 04/05/2005 | CA2355057C Snow groomers and control system therefor |
| 03/02/2005 | EP1108093B1 Planing device mounted on machines for processing ice |
| 02/24/2005 | DE10335697A1 Device for preparing ice, maintaining ice surface, e.g. for sport, has tank with heating, filling opening connected in upper region to snow conveyor worm, pipe from lower tank region to spray nozzles |
| 02/24/2005 | DE10333423A1 Ski slope snow blower has transverse snow leveling beam coupled to height-adjustable transverse snow flattening panel |
| 02/17/2005 | WO2005014936A1 Magnetic blade attachment in an ice conditioning machine |
| 02/12/2005 | CA2437234A1 Magnetic blade attachment in an ice conditioning machine |
| 01/06/2005 | US20050001049 Controlled snow-making process and apparatus |
| 12/02/2004 | DE10322377A1 Runway maintenance vehicle has individual gearboxes, each with at least two gears, for its left and right drive chains |
| 11/02/2004 | US6810609 Snow groomer having an improved variable geometry tiller assembly |
| 10/28/2004 | WO2004092485A1 Portable ice rink building and resurfacing device |
| 10/26/2004 | CA2197133C Apparatus and method for creating and resurfacing ice |
| 10/17/2004 | CA2425722A1 Portable ice rink building and resurfacing device |
| 09/30/2004 | WO2004083528A1 Ice resurfacing machine as well as system and method for ice maintenance |
| 09/30/2004 | US20040187357 Device for optimization of the thickness of an ice layer |
| 09/23/2004 | DE10311387A1 Tracked vehicle e.g. earthmover or snow plough, has carrier for working tool provided with hydraulic rotator for selecting different operating positions of working tool |
| 07/29/2004 | US20040144000 Snow-trail grooming vehicle and method for controlling same |
| 07/22/2004 | DE202004006301U1 Leveling system for preparation of ski slopes has grading plate adjusted to suit snow conditions |
| 07/14/2004 | EP1436467A1 Device for preparing ski slopes |
| 07/01/2004 | US20040124260 Apparatus for treatment of snow and ice |
| 05/27/2004 | DE10253412A1 Verfahren zur Steuerung eines Pistenpflegefahrzeugs und Pistenpflegefahrzeug Method for controlling a snow grooming vehicle and snow grooming vehicle |
| 05/27/2004 | DE10045524B4 Pistenpflegevorrichtung, Pistenpflegefahrzeug und Verfahren zum Betreiben einer Pistenpflegevorrichtung Snow grooming device piste grooming vehicle and method for operating a snow grooming device |
| 05/12/2004 | EP1418275A2 Method for controlling a piste grooming vehicle and piste grooming vehicle |
| 05/06/2004 | US20040083627 Snow groomer plow assembly |
| 04/27/2004 | US6725580 Working device |
| 04/22/2004 | WO2003033992A8 Ice resurfacing blade |
| 04/15/2004 | US20040069981 Level wind apparatus for use on a snow grooming vehicle |
| 04/07/2004 | EP1405782A1 Control arrangement |
| 04/01/2004 | WO2004027160A1 Halfpipe machine with milling units |
| 03/09/2004 | CA2440266A1 Apparatus for treatment of snow and ice |
| 03/04/2004 | WO2003033992A3 Ice resurfacing blade |
| 03/03/2004 | EP1393015A1 Device for optimization of the thickness of an ice layer |
| 03/02/2004 | US6698112 Course-grooming vehicle with a rear tool carrier |
| 03/02/2004 | US6698111 Snow trail grooming accessory and method |
| 02/25/2004 | EP1390583A1 Self-propelled ice preparation machine comprising a navigation system |
| 02/17/2004 | US6691795 Snow or soil grader |
| 01/06/2004 | US6671983 Snow groomer assembly |
| 11/25/2003 | CA2357763C Method for forming a snowroad |
| 10/28/2003 | US6637134 Snow track preparation machine with mill mounted in a revolving manner |
| 09/30/2003 | US6626607 Vehicle test course surface |
| 09/25/2003 | US20030177668 Device for preparing snow |
| 09/16/2003 | CA2140252C A snow grooming device |
| 08/28/2003 | US20030159840 Power groomer for snow & earth terrain |
| 08/21/2003 | US20030155739 Small cross-country ski path tracer attachment for ATV |
| 08/21/2003 | US20030154633 Snow groomer with a variable snowchamber tiller assembly |
| 08/19/2003 | US6607330 Snow compacting tool |
| 08/13/2003 | EP1335072A2 Device for preparing snow |
| 08/08/2003 | CA2418558A1 Device for preparing snow |
| 08/06/2003 | EP1044307B1 Track maintenance device |
| 07/24/2003 | US20030136030 Working device |
| 07/16/2003 | EP1078209B1 Method for preserving snow |
| 07/01/2003 | US6585232 Device for setting and automatic adjustment of the tractive force of a cable of an overhead winch for a ski slope preparation and maintenance machine |
| 06/17/2003 | CA2201684C Ice pebbling |
| 06/11/2003 | CN1111270C Artificial snow |
| 05/02/2003 | EP1305092A1 Toboggan and snow tubing slide |
| 04/24/2003 | WO2003033992A2 Ice resurfacing blade |
| 04/24/2003 | WO2003033822A1 Device for preparing ski slopes |
| 04/24/2003 | CA2463857A1 Ice resurfacing blade |
| 04/17/2003 | WO2003031728A1 Device for the generation and working of courses in snow |
| 04/17/2003 | US20030070326 Ice resurfacing blade |
| 04/17/2003 | US20030070325 Course-grooming vehicle with a rear tool carrier |
| 03/27/2003 | US20030056402 Snow trail grooming accessory and method |
| 03/20/2003 | US20030051376 Snow groomer having an improved variable geometry tiller assembly |
| 02/26/2003 | EP1286000A1 Vehicle for maintaining ski tracks with rear tool carrier |
| 02/17/2003 | CA2398021A1 Course-grooming vehicle with a rear tool carrier |
| 02/12/2003 | EP1283399A1 Device and method for applying a layer of ice on a ski jump |
| 02/11/2003 | US6516543 Snow grooming apparatus and system |
| 01/28/2003 | US6511000 Rotary valve to feed artificial snow at constant rate |
| 01/02/2003 | US20030000239 Ice maker and a method of making ice |
| 12/29/2002 | CA2351946A1 Ice maker and a method of making ice |
| 12/18/2002 | EP1266095A1 Snow groomer with a variable snowchamber tiller assembly |
| 12/05/2002 | WO2002097198A1 Self-propelled ice preparation machine comprising a navigation system |
| 11/21/2002 | WO2002093106A1 Device for optimization of the thickness of an ice layer |
| 11/19/2002 | US6481123 Track maintenance device |
| 11/19/2002 | CA2243418C Road maintenance tracklaying vehicle |