The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2006
Filed:
Mar. 14, 2002
Applicant:
Frank Hofmann, Attendorn, DE;
Inventor:
Frank Hofmann, Attendorn, DE;
Assignee:
Tracto-Technik GmbH, Lennestadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
E02D 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for horizontal drilling with a percussion implement and a percussion head or percussion head element mounted in a movable manner relative to the percussion implement, the percussion impulse being transmitted in at least three steps.