| 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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| 07/15/2009 | EP2078789A2 Ski track device |
| 07/14/2009 | CA2446816C Device for optimization of the thickness of an ice layer |
| 06/25/2009 | DE102007061110A1 Ski piste processing method for e.g. runway, involves arranging mechanical and/or hydraulic shock absorber and/or compensator between anchor point and ropes to relieve stress peaks or oscillation occurring in ropes |
| 06/09/2009 | US7543400 Inline classic skiing track glazing machine |
| 05/21/2009 | US20090126236 Hitched grooming device for winter trails |
| 05/20/2009 | DE202008000422U1 Loipenspurgerät Track setter |
| 05/07/2009 | WO2009056579A1 Rotary snow tiller for grooming ski slopes |
| 05/07/2009 | WO2009056578A1 Rotary snow tiller for grooming ski slopes |
| 05/07/2009 | WO2009056577A1 Hitch device for connecting a groomer vehicle and a ski slope snow grooming implement, and control method employing such a hitch device |
| 05/07/2009 | WO2009056576A1 Rotary snow tiller and ski slope grooming method |
| 05/07/2009 | CA2704387A1 Rotary snow tiller for grooming ski slopes |
| 05/07/2009 | CA2704382A1 Rotary snow tiller for grooming ski slopes |
| 05/07/2009 | CA2704376A1 Rotary snow tiller and ski slope grooming method |
| 05/07/2009 | CA2704247A1 Hitch device for connecting a groomer vehicle and a ski slope snow grooming implement, and control method employing such a hitch device |
| 03/31/2009 | US7510247 Ice resurfacing machine as well as system and method for ice maintenance |
| 03/19/2009 | WO2009034185A1 Rotary snow tiller for grooming ski slopes |
| 03/19/2009 | WO2009034184A1 Rotary snow tiller for grooming ski slopes, and relative operating method |
| 03/19/2009 | WO2009034183A1 Ski slope snow grooming equipment and method |
| 03/19/2009 | CA2699512A1 Rotary snow tiller for grooming ski slopes, and relative operating method |
| 02/26/2009 | DE102007038383A1 Ski jump-inrun track processing device for use in snow and/or ice filled area, has rail system for driving carriage over ski jump-inrun track formed with track module, where system is attached at track module and includes guide rails |
| 01/29/2009 | CA2731647A1 Ultrasonic ice shaving blade |
| 01/15/2009 | US20090013562 Snow groomer |
| 01/08/2009 | WO2009006098A1 Apparatus and methods for refurbishing ice surfaces |
| 01/08/2009 | US20090007461 Tracked vehicle |
| 12/17/2008 | EP2002871A1 Method and device for manufacturing a jump made with snow |
| 12/02/2008 | CA2441650C Level wind apparatus for use on a snow grooming vehicle |
| 11/25/2008 | CA2632273A1 Snow groomer |
| 11/04/2008 | CA2346574C Snow or soil grader |
| 10/28/2008 | CA2443014C Ice skating arena |
| 09/25/2008 | WO2008114138A1 Ski slope snow tiller |
| 09/25/2008 | CA2682492A1 Ski slope snow tiller |
| 09/23/2008 | CA2394621C Snow groomer having an improved variable geometry tiller assembly |
| 08/28/2008 | US20080203187 Apparatus for treatment of snow and ice |
| 08/09/2008 | CA2578323A1 Parking area preparer for snowploughs |
| 08/07/2008 | US20080184602 Piste grooming apparatus for a motor vehicle, in particular a track-laying vehicle |
| 07/24/2008 | CA2675229A1 Method and apparatus for making and preserving an outdoor frozen surface |
| 07/17/2008 | US20080168779 Method and Apparatus for Making and Preserving an Outdoor Frozen Surface |
| 07/03/2008 | US20080155864 Ice skating rink resurfacing apparatus |
| 06/03/2008 | US7380355 Portable ice rink building and resurfacing device |
| 06/01/2008 | CA2569757A1 Manual control unit for a vehicle |
| 05/29/2008 | DE102006057272A1 Pistenpflegevorrichtung für ein Kraftfahrzeug, insbesondere ein Kettenfahrzeug Ski slope maintenance device for a motor vehicle, in particular a tracked vehicle |
| 05/28/2008 | EP1925746A2 Piste preparation device for a motorised vehicle, in particular a tracked vehicle |
| 05/23/2008 | CA2611548A1 Piste grooming apparatus for a motor vehicle |
| 05/14/2008 | EP1660727A4 Magnetic blade attachment in an ice conditioning machine |
| 05/13/2008 | US7370818 Apparatus for treatment of snow and ice |
| 05/08/2008 | WO2008052272A1 Roller assembly |
| 05/08/2008 | CA2668362A1 Roller assembly |
| 04/17/2008 | US20080086919 Snow removal device |
| 04/10/2008 | US20080083142 Trip lock device for a snow plow |
| 03/20/2008 | US20080066349 Collapsible snow grooming device |
| 03/12/2008 | EP1896661A1 Piste grooming vehicle with cable torque compensation |
| 01/16/2008 | EP1877295A1 Method and device for increasing the driving stability of motor vehicles |
| 01/15/2008 | CA2394447C Snowtrail grooming accessory and method |
| 12/06/2007 | US20070277402 Portable ice resurfacing device and method |
| 12/06/2007 | CA2590919A1 Portable ice resurfacing device and method |
| 11/29/2007 | DE102005031076B4 Pistenpflegefahrzeug mit Seilzugmoment-Kompensation Runway maintenance vehicle with cable torque compensation |
| 11/29/2007 | CA2548684A1 Double chassis scraper with pivoting tracks |
| 11/27/2007 | US7299569 Snow-trail grooming vehicle and method for controlling same |
| 11/02/2007 | CA2545467A1 Inconnu |
| 10/27/2007 | CA2585690A1 Blade changer apparatus |
| 10/27/2007 | CA2545093A1 Blade changer apparatus |
| 09/20/2007 | DE102006011906A1 Winde für ein Fahrzeug sowie Verfahren zur An- und/oder Abkopplung einer Verankerungseinrichtung an einem ortsfesten Ankerteil Winch for a vehicle and method for check-in and / or decoupling of an anchoring device to a stationary anchor portion |
| 09/12/2007 | EP1832545A2 Boom equipped with a winch for a vehicle and method for connecting and disconnecting an anchorage device on an immobile anchor part |
| 09/09/2007 | CA2581760A1 Winch for a vehicle and method for coupling and/or uncoupling an anchoring device to and/or from a positionally fixed anchor part |
| 09/03/2007 | CA2538970A1 Ice scraper blade assembly |
| 08/16/2007 | US20070187119 Device for resurfacing an ice rink or track |
| 08/15/2007 | EP1818456A2 Method of guiding a piste maintenance vehicle and piste maintenance vehicle |
| 07/18/2007 | CA2574504A1 Snow collection and transportation system |
| 06/07/2007 | US20070124962 Magnetic blade attachment in an ice conditioning machine |
| 04/26/2007 | US20070089324 Rear end finisher and method of smoothing an outdoor surface |
| 04/26/2007 | DE102005050629A1 Heckfinisher und Verfahren zur Glättung einer Geländeoberfläche Rear finisher and method for smoothing a surface area |
| 04/25/2007 | EP1777347A2 Device and method for smoothing the surface of an area |
| 04/21/2007 | CA2565007A1 Rear finisher and method for smoothing an outdoor surface |
| 04/19/2007 | US20070084087 Ice resurfacing machine |
| 04/19/2007 | DE202007001517U1 Reinigungsgerät für Skisprunganlagen Cleaning device for ski equipment |
| 04/14/2007 | CA2564096A1 Ice resurfacing machine |
| 04/14/2007 | CA2523509A1 Ice resurfacing machine |
| 04/11/2007 | EP1214476B1 Vehicular arm assembly |
| 04/05/2007 | DE102005046914A1 Gerät zur Schneeflächenpräparierung und Verfahren zur Steuerung eines Hydraulikkreislaufs zwischen einem solchem Gerät und einer Zugmaschine Device for snow surface preparation and method for controlling a hydraulic circuit between a device and such a tractor |
| 04/04/2007 | EP1770218A2 Device for preparing ski slopes and method of steering a hydraulic circuit between such a device and a tractor unit |
| 03/30/2007 | CA2561754A1 Apparatus for preparing snow surfaces and method for controlling a hydraulic circulation between such an apparatus and a tractor |
| 03/20/2007 | CA2520280A1 Vehicle for maintaining ski trails |
| 03/06/2007 | CA2518773A1 Printed liner for curling rinks |
| 02/22/2007 | DE102005040222A1 Loipenspurgerät und Pistenpflegefahrzeug mit wenigstens einem derartigen Loipenspurgerät Track setter and runway maintenance vehicle with at least one such track setter |
| 02/21/2007 | EP1754832A2 Snow track device and piste grooming apparatus having at least one snow track device |
| 01/25/2007 | DE102005031076A1 Pistenpflegefahrzeug mit Seilzugmoment-Kompensation Runway maintenance vehicle with cable torque compensation |
| 01/04/2007 | WO2007000216A1 Piste grooming vehicle with cable torque compensation |
| 01/04/2007 | CA2612954A1 Piste grooming vehicle with cable torque compensation |
| 12/07/2006 | US20060272181 Portable ice rink building and resurfacing device |
| 11/09/2006 | WO2006117062A1 Method and device for increasing the driving stability of motor vehicles |
| 11/09/2006 | CA2607087A1 Method and device for increasing the driving stability of motor vehicles |
| 10/31/2006 | US7127838 Universal control adapter system |
| 10/26/2006 | DE102004025973B4 Vorrichtung zum Verankern eines flexiblen Winden-Zugmittels an einem ortsfesten Ankerteil A device for anchoring a flexible tension means winding-on a stationary armature part |
| 10/24/2006 | US7124958 Controlled snow-making process and apparatus |
| 10/12/2006 | US20060226695 Ice resurfacing machine as well as system and method for ice maintenance |
| 09/26/2006 | US7111417 Earth handling apparatus operable by an all terrain vehicle (ATV) |
| 09/05/2006 | CA2345859C Rotary valve to feed artificial snow at constant rate |
| 08/16/2006 | EP1690985A2 Compacteur pour surfaces enneigées et dispositif de trace |
| 08/11/2006 | CA2535925A1 Snow surface compactor and tracking device |
| 07/11/2006 | CA2117536C Immunological detection of organophosphates |