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. 13, 2024
Filed:
Mar. 11, 2019
Hydac Fluidcarecenter Gmbh, Sulzbach/Saar, DE;
Daniel Kleemann, Alsting, FR;
Martin Freidinger, Saarbruecken, DE;
Jörg Michael Wendels, Saarbruecken, DE;
Christophe Hainka, Spicheren, FR;
André Michael Schneider, Mandelbachtal, DE;
Abstract
A filter device is for the filtration of gases contaminated with particles, such as welding gases, in particular produced in manufacturing processes using 3D printers in a production room (). The filter device has a filter circuit having at least one filter element (), which filters the particles from the gas. At least a part of those particles get from this filter element () into an assignable receptacle (). The particles within a back-flushing process get into the respective receptacle (). At least one further filter circuit has at least one further filter element (NF, NFthat filters a fluid having the particles obtained at the back-flushing process.