Patent · US Active

Flexible impact blade with drive device for a flexible impact blade

US8323062B2 · kind B2 · utility

9Cited by

4References

18Claims

0Family size

Inventors

Rudolf Bannasch · Berlin, DE
Leif Kniese · Berlin, DE

Key dates

Filing date	Apr 18, 2008
Grant date	Dec 4, 2012
Priority date	—
Expiry date	Sep 14, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB63H1/36
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A watercraft having a plurality of flexible section secured to a mount, having a drive assembly, wherein the water craft can move the flexible section upwardly and downwardly to propel the watercraft through the water.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.