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:
Dec. 26, 2023
Filed:
Nov. 29, 2019
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Stefan Wolfsgruber, Pettenbach, AT;
Philip Dörner, Pettenbach, AT;
Andreas Starzengruber, Pettenbach, AT;
Uwe Popp, Widnau, CH;
Klaus Bertsch, Frastanz, AT;
Assignee:
HILTI AKTIENGESELLSCHAFT, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 9/20 (2006.01); B23K 9/16 (2006.01);
U.S. Cl.
CPC ...
B23K 9/201 (2013.01); B23K 9/16 (2013.01);
Abstract
An apparatus for welding a welding stud to a specified location of a base material, comprising a stud holder, comprising an inert gas cover, which surrounds the stud holder while forming a gap between the stud holder and the inert gas cover, and comprising a projection device, which is intended to project a visual pattern onto the base material through the gap.