ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,285, issued on May 12, was assigned to EOS GmbH Electro Optical Systems (Krailling, Germany).
"Filter device for an additive manufacturing device" was invented by Ulrich Kleinhans (Prittriching, Germany) and Philip Stroebel (Weidenbach, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a filter system for an additive manufacturing device for purifying a process gas of the additive manufacturing device wherein, in order to purify a volume of process gas during operation, the filter system has at least one permanent filter. The permanent filter is configured so as to be thermally stable in a manner such that during operation, the perm...