E02F 3/16

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9739034 Vehicle with non-symmetrical drive membersAug 12, 14Aug 22, 17The Charles Machine Works, Inc.
9041546 System and method for position detectionMar 14, 14May 26, 15MATRIX DESIGN GROUP, LLC
9027263 Method of automated variable speed control of movement of a cutter head of a dredging cutterJun 26, 13May 12, 15Not available
7690134 Cutoff device with liquid bagNov 26, 04Apr 06, 10Not available
7591088 Suction dredge system and methodApr 28, 08Sep 22, 09Not available
7089693 Dredging method and apparatusFeb 05, 03Aug 15, 06EA Engineering, Science & Technology
5491913 Control system for the suction line relief valve of a hydraulic dredgeAug 23, 94Feb 20, 96Pearce Pump Supply, Inc.
5212896 Control system for a walk behind trencher machineMay 15, 92May 25, 93ASTEC INDUSTRIES, INC.
5169277 Lift arm lock down apparatus and methodMar 13, 91Dec 08, 92Thomas Equipment Ltd.
4388038 Automatic locking pin retraction mechanismApr 22, 81Jun 14, 83BLUE LEAF I.P., INC.