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:
Sep. 08, 2026
Filed:
Oct. 26, 2022
Hilti Aktiengesellschaft, Schaan, LI;
Walter Wissmach, Munich, DE;
Christian Augustin, Pöttmes, DE;
Anton Kidess, Landsberg am Lech, DE;
Markus Scherbaum, Gennach, DE;
Justus Freischle, Landsberg, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A mains-operable power tool having a mains connection, a rectifier connected downstream of the mains connection, and an electric motor with an upstream motor stage, wherein the rectifier and the motor stage are connected via an intermediate circuit having a smoothing capacitor connected in parallel with the rectifier and a switching branch connected in parallel with the rectifier, wherein the switching branch has an additional capacitor which can be discharged if necessary via a discharge circuit included in the intermediate circuit by a switching element included in the switching branch, wherein the intermediate circuit has a precharge circuit which is or can be used to set an offset voltage of the additional capacitor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile