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9623755 | Overhead power grid for mobile mining machines | Mar 15, 16 | Apr 18, 17 | JOY MM DELAWARE, INC. |
9452679 | Operation management system | Apr 24, 13 | Sep 27, 16 | Hitachi Construction Machinery Co., Ltd. |
9403526 | Electrically driven dump truck | Jun 11, 12 | Aug 02, 16 | HITACHI CONSTRUCTION MACHINERY CO., LTD. |
9376023 | System for automatically connecting and a disconnecting catenary vehicle to and from the overhead line during travel | Nov 24, 11 | Jun 28, 16 | DIaLOGIKa Gesellschaft für angewandte Informatik mbH |
9260016 | Electrically driven dump truck | May 10, 12 | Feb 16, 16 | HITACHI CONSTRUCTION MACHINERY CO., LTD. |
9242562 | System for automatically connecting and a disconnecting catenary vehicle to and from the overhead line during travel | Nov 24, 11 | Jan 26, 16 | DIaLOGIKa Gesellschaft für angewandte Informatik mbH |
9022153 | Transport vehicle equipped with current collector | May 09, 12 | May 05, 15 | KOMATSU LTD. |
9014898 | Electrically driven dump truck | Apr 05, 12 | Apr 21, 15 | Hitachi Construction Machinery Co., Ltd. |
8935033 | Electrically driven dump truck | Apr 05, 12 | Jan 13, 15 | HITACHI CONSTRUCTION MACHINERY CO., LTD. |
8893830 | Automated pantograph control for mining truck power system | Nov 18, 11 | Nov 25, 14 | CATERPILLAR INC. |
6425469 | Device for aiding a movement of a current collector trolley in and out of an elongate plastic profile of a sliding contact line | Sep 27, 00 | Jul 30, 02 | TEREX MHPS GMBH |
6343635 | Vehicle tire with air circulation arrangement | Dec 13, 99 | Feb 05, 02 | Not available |
6241065 | Current collector trolley for current collector lines | Mar 03, 99 | Jun 05, 01 | TEREX MHPS GMBH |
5735374 | Current collector for transmitting energy between a contact wire and a motor coach | Nov 01, 96 | Apr 07, 98 | Deutsche Forschungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V. |
4892980 | Dual contacts on voltage rail | Aug 03, 88 | Jan 09, 90 | RILEY, RON J. |
4745997 | Offset detecting device for trolley-assisted vehicles | Jul 22, 87 | May 24, 88 | KOMATSU LTD., TOYO DENKI SEIZO KABUSHIKI KAISHA, |
4694125 | Collector device for trolley-assisted vehicles | Jul 17, 86 | Sep 15, 87 | KOMATSU LTD., TOYO DENKI SEIZO KABUSHIKI KAISHA, |