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. 25, 2026
Filed:
Nov. 13, 2023
Frewitt Fabrique DE Machines SA, Granges-Paccot, CH;
Yves Brodard, Vuadens, CH;
Christian Rhême, Posieux, CH;
Frewitt fabrique de machines SA, Granges-Paccot, CH;
Abstract
The invention relates to a mechanical powder grinder comprising a casing supporting a first rotating grinding member and a second grinding member fixed relative to the casing, each of said first and second members being made of an electrically conductive material. According to the invention, the grinder includes an electrical control circuit providing at least one primary electrical connection between the first and second grinding members, and comprising at least one device for measuring an electrical parameter of said circuit. The grinder further comprises a processing device configured to detect an additional connection between the two grinding members, in particular due to the presence of a foreign body between said members, on the basis of the measured value of said parameter.