Patent 7104731 was granted and assigned to MENCK GmbH on September, 2006 by the United States Patent and Trademark Office.
A pile driving device for driving in piles, with an axially-guided impact body movable in a hammer housing, an impact hood and a pile sleeve. So that the pile driving device can be transported by land without requiring surveys and preparation, the pile sleeve comprises two or more parts, with the pile sleeve being divided into radial or circular concentric partitions.