Patents in subclass Excavating/Bottom Spud Anchor

Parent class: Excavating

Number Patent title Issue Date
06918801 Amphibious vehicle

A vehicle adapted to operate on dry land, in soft terrain, and while floating. The vehicle includes a chassis formed by two interconnected pontoon sections sized such that the chassis and equipment will float. The pontoons are fitted with...
07/19/2005
06263594 Dredging system

The present invention is useful for dredging underneath a floating vessel, where a conventional dredge cannot reach the location of the material to be dredged. A neutral buoyancy pipe is attached to the end of the suction pipe and acts as...
07/24/2001
5778568 Carry scraper ships

A carry scraper ship having a tug lighter for towing, a device for scraping and lifting earth and sand accumulated on ground under water, a bucket conveyor for conveying earth and sand scraped and lifted from ground under water to an...
07/14/1998