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:
Feb. 03, 2009
Filed:
Sep. 23, 2005
Applicants:
Juergen Wieser, Kaufering, DE;
Johan Lennartsson, Malmö, SE;
Pierre Hohmeier, Feldkirch, AT;
Franz Huber, Markt Wald, DE;
Inventors:
Juergen Wieser, Kaufering, DE;
Johan Lennartsson, Malmö, SE;
Pierre Hohmeier, Feldkirch, AT;
Franz Huber, Markt Wald, DE;
Assignee:
Hilti Aktiengesellschaft, Scaasn, LI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 25/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thread-forming screw (), has a stem () with at least one thread () arranged, at least regionwise, over its circumference, and a plurality of cutting elements () arranged in a respective plurality of recesses () formed in the at least one thread (), with the cutting elements () having a hardness greater than a hardness of the at least one thread () and formed as weld beads received in the recesses ().