| 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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| 08/11/2011 | US20110196561 Patent for a personal transportation network-ptn |
| 08/11/2011 | DE102010007603A1 Arbeitsfahrzeug Working vehicle |
| 08/10/2011 | EP2354316A1 Piste maintenance vehicle |
| 08/04/2011 | WO2011067651A3 Snow groomer and relative control method |
| 07/28/2011 | DE102009049900B4 Geschlepptes Pistenbearbeitungsgerät Towed runway processing unit |
| 07/21/2011 | CA2690767A1 Wide ice resurfacing machine |
| 07/07/2011 | US20110163595 Snow groomer track and snow groomer featuring such a track |
| 06/29/2011 | EP2339072A2 Soil cultivation device with a driven shaft assembly |
| 06/23/2011 | US20110147481 Tailgate spreader hopper fill status sensor |
| 06/23/2011 | US20110146111 Ice resurfacing sled |
| 06/22/2011 | DE102009060481A1 Bodenbearbeitungsgerät mit einer angetriebenen Arbeitswellenanordnung Harrow with a driven shaft assembly work |
| 06/18/2011 | CA2725892A1 Ground preparation appliance having a driven working shaft arrangement |
| 06/09/2011 | WO2011067652A1 Snow groomer and relative control method |
| 06/09/2011 | WO2011067651A2 Snow groomer and relative control method |
| 06/09/2011 | CA2782190A1 Snow groomer and relative control method |
| 06/09/2011 | CA2782167A1 Snow groomer and relative control method |
| 06/08/2011 | EP2330068A1 Device for attaching an all-terrain vehicle |
| 06/02/2011 | US20110126433 Apparatus for forming a terrain feature |
| 05/12/2011 | DE102009053572A1 Heckanbaugerät für eine Pistenraupe Rear mounted implement a snowcat |
| 05/12/2011 | DE102009052924B3 Device for processing of lane grooves by ski jump-inrun lane formed with lane model, has guide shoe whose width fills in lane grooves extending into area of lane groove width |
| 05/11/2011 | EP2319988A2 Rear end construction device for a piste caterpillar |
| 05/11/2011 | EP2318594A1 An apparatus for forming a terrain feature |
| 04/27/2011 | EP2314773A2 Pulled piston work device |
| 04/20/2011 | CN102026690A Procedure for manufacturing a winter sports arena and a winter sports arena |
| 04/14/2011 | US20110083347 Towed piste processing implement |
| 04/14/2011 | DE102009049900A1 Geschlepptes Pistenbearbeitungsgerät Towed runway processing unit |
| 03/24/2011 | DE202011000100U1 Fräswelle für ein Pisten- und/oder Loipenpräparierungsgerät Auger on a slope and / or trail grooming equipment |
| 03/22/2011 | US7908775 Two-stage snow plow |
| 03/03/2011 | WO2011023682A1 Ice cutter with a ceramic blade |
| 02/17/2011 | US20110035968 Hitch device for connecting a groomer vehicle and a ski slope snow grooming implement, and control method employing such a hitch device |
| 02/10/2011 | DE102006011906B4 Winde für ein Fahrzeug, insbesondere für eine Pistenpflegefahrzeug Winch for a vehicle, especially for a snow grooming vehicle |
| 01/27/2011 | DE102009024644A1 Kraftfahrzeug mit einer Seilwindeanordnung Motor vehicle with a winch assembly |
| 01/25/2011 | US7874375 Seed row shaper attachment for a power tiller |
| 01/19/2011 | EP2274060A1 Procedure for manufacturing a winter sports arena and a winter sports arena |
| 01/19/2011 | EP1896661B1 Piste grooming vehicle with cable torque compensation |
| 01/13/2011 | US20110005107 Rotary snow tiller and ski slope grooming method |
| 01/13/2011 | US20110005106 Rotary snow tiller for grooming ski slopes and relative operating method |
| 01/13/2011 | DE102008013730B4 Eisflächenbearbeitungsmaschine Ice machine |
| 01/06/2011 | US20110000107 Rotary snow tiller for grooming ski slopes |
| 12/29/2010 | EP2267227A2 Motor vehicle with a rope winding assembly |
| 12/29/2010 | EP2265768A1 Ice surface preparation machine |
| 12/25/2010 | CA2670015A1 Step attachment for lifting an ice scraper blade |
| 12/15/2010 | CN101918641A Hitch device for connecting a groomer vehicle and a ski slope snow grooming implement, and control method employing such a hitch device |
| 12/09/2010 | US20100307033 Rotary snow tiller for grooming ski slopes |
| 11/25/2010 | DE102004059821B4 Pistenpflegevorrichtung zum Anbau an ein Fahrzeug Snow grooming device for mounting on a vehicle |
| 10/19/2010 | CA2394389C Snow groomer assembly |
| 09/28/2010 | US7802383 Hitched grooming device for winter trails |
| 09/23/2010 | US20100236107 Piste Grooming Vehicle With Cable Torque Compensation |
| 09/22/2010 | CN201588186U Snow breacher |
| 09/16/2010 | WO2010103117A1 Snow groomer and relative control method |
| 09/16/2010 | US20100230254 Ultrasonic Ice Breaker Replacement for Ice Resurfacing Machines |
| 09/16/2010 | CA2755063A1 Snow groomer and relative control method |
| 08/26/2010 | WO2010095016A1 Snowgroomer comprising a winch assembly to aid handling of the snowgroomer on steep slopes; and method of operating the winch^ assembly |
| 08/26/2010 | CA2752472A1 Snowgroomer comprising a winch assembly to aid handling of the snowgroomer on steep slopes; and method of operating the winch assembly |
| 08/17/2010 | CA2384457C Ice maker and a method of making ice |
| 08/12/2010 | US20100202834 Snow transportation system |
| 08/05/2010 | DE102008011484B4 Pistenbearbeitungsgerät für einen Heckanbau an ein Kettenfahrzeug Piste processing unit for a rear mounted on a tracked vehicle |
| 08/04/2010 | EP2212476A1 Hitch device for connecting a groomer vehicle and a ski slope snow grooming implement, and control method employing such a hitch device |
| 08/04/2010 | EP2212475A1 Rotary snow tiller and ski slope grooming method |
| 08/04/2010 | EP2212474A1 Rotary snow tiller for grooming ski slopes |
| 08/03/2010 | US7765724 Apparatus and methods for refurbishing ice surfaces |
| 07/29/2010 | US20100186266 Ski slope snow tiller |
| 07/28/2010 | EP2209946A1 Rotary snow tiller for grooming ski slopes |
| 07/22/2010 | DE212008000080U1 Skipistenschneepräpariergerät bzw. -bearbeitungsgerät Skipistenschneepräpariergerät or -bearbeitungsgerät |
| 07/20/2010 | US7757415 Horizontal ice cuttings conveyor for ice resurfacing machines |
| 07/07/2010 | EP2203605A1 Rotary snow tiller for grooming ski slopes, and relative operating method |
| 06/30/2010 | EP2201178A1 Rotary snow tiller for grooming ski slopes |
| 06/29/2010 | US7747739 Connection locator in a power aggregation system for distributed electric resources |
| 06/24/2010 | DE102008051512A1 Preparing device for regenerating e.g. smaller frozen surface in indoor area for sports event, has treatment device treating frozen surface and including frozen surface heating device that thaws frozen surface |
| 06/08/2010 | US7730643 Two-stage snow plow |
| 06/02/2010 | DE202010003023U1 Vorrichtung zur Formung eines Schneeoberflächenprofils für ansteigende Streckenverläufe für Alpin- und Langlauf-Ski Apparatus for forming a snow surface profile for steep road gradients for alpine and cross-country skiing |
| 05/06/2010 | WO2010048700A1 Ski track maintenance system |
| 05/06/2010 | CA2741696A1 Ski track maintenance system |
| 04/30/2010 | CA2643560A1 Ice scraper blade assembly |
| 04/29/2010 | CA2642218A1 Track setter |
| 04/20/2010 | US7698837 Ice skating rink resurfacing apparatus |
| 04/01/2010 | DE102008016915B4 Fräseinrichtung zur Bearbeitung einer Schneepistenoberfläche Milling device for processing a snow runway surface |
| 03/16/2010 | CA2443765C Snow groomer plow assembly |
| 02/25/2010 | DE202009001764U1 Zusatzkabine für ein Pistenfahrzeug Additional cabin for a groomer |
| 02/18/2010 | US20100037492 Horizontal Ice Cuttings Conveyor for Ice Resurfacing Machines |
| 01/28/2010 | WO2010011149A1 An apparatus for forming a terrain feature |
| 01/21/2010 | WO2010006959A1 Self-operating device for machining an ice surface |
| 01/14/2010 | WO2009015377A3 Ultrasonic ice breaker replacement for ice resurfacing machines |
| 01/12/2010 | CA2384524C Vehicular arm assembly |
| 12/17/2009 | US20090307935 Plow Including Independently Moveable Wings |
| 12/09/2009 | EP1431236B1 Method for controlling the winch of a ski track maintenance vehicle and said vehicle |
| 12/02/2009 | EP2126222A1 Ski slope snow tiller |
| 11/09/2009 | CA2638423A1 Managing landbases and machine operations performed thereon |
| 11/05/2009 | CA2637116A1 Ice rink resurfacer |
| 10/29/2009 | DE102008013730A1 Eisflächenbearbeitungsmaschine Ice machine |
| 10/08/2009 | DE102008016915A1 Fräseinrichtung zur Bearbeitung einer Schneeoberfläche Milling device for processing a snow surface |
| 09/30/2009 | EP2105535A2 Milling device for processing a snow piste surface |
| 09/17/2009 | WO2009112642A1 Procedure for manufacturing a winter sports arena and a winter sports arena |
| 09/17/2009 | WO2009112010A1 Ice surface preparation machine |
| 09/15/2009 | US7587843 Portable ice resurfacing device and method |
| 09/03/2009 | DE102008011484A1 Pistenbearbeitungsgerät für einen Heckanbau an ein Kettenfahrzeug Piste processing unit for a rear mounted on a tracked vehicle |
| 08/26/2009 | EP2093329A2 Ski track working device for a rear mounting on an endless track vehicle |
| 08/11/2009 | US7571557 Ice-removing device |
| 07/30/2009 | US20090188135 Ultrasonic Ice Shaving Blade |
| 07/29/2009 | EP2081425A1 Roller assembly |