ALEXANDRIA, Va., July 3 -- United States Patent no. 12,347,898, issued on July 1, was assigned to MAHLE International GmbH (Stuttgart, Germany).
"Membrane humidifier" was invented by Bashkim Berisha (Leonberg, Germany), Samuel Kohler (Weil im Schoenbuch, Germany) and Michael Walz (Filderstadt, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A membrane humidifier has a housing and a membrane stack. The membrane stack includes two first stack sides aligned parallel to the assembly direction. The membrane humidifier has a sealing device with two first sealing frames, each with an inner sealing surface and an outer sealing surface. The housing has two first housing sealing surfaces. The first sealing fram...