Dragline Scraper Patents (Class 172/26.5)
  • Patent number: 10544562
    Abstract: A dragline bucket comprises a base member, a first side member extending from the base member and including a first top edge, a second side member extending from the base member, and a rear member extending from the base member and including a second top edge, a mouth for receiving material into the bucket, and a first beveled wall extending from the first side member forming a first compound angle with the base member and a second beveled wall extending from the rear member proximate the first beveled wall forming a second compound angle with the base member.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: January 28, 2020
    Assignee: Caterpillar Inc.
    Inventor: Michael Robert Stolz
  • Patent number: 10519625
    Abstract: A dredging system for the removal and cleaning of sediment in bays, port entrances, navigable channels, docks, watercourses, lakes or reservoirs, which is provided with means for excavating, dragging and removing the bottom of the waterway and means for regulation and support, the driving force for which is provided from land, which facilitates extraction of sediments directly onto the land, immediately leaving a planar surface on the sea bed. The aforesaid is achieved by controlling the excavator means and very closely controlling the cutting depth, all in a shorter period of time and at lower cost.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: December 31, 2019
    Inventor: Heriberto Floridor Quidiante Diaz