ALEXANDRIA, Va., July 14 -- United States Patent no. 12,678,584, issued on July 14, was assigned to ResMed Pty Ltd (Bella Vista, Australia).

"Tub for use in a humidifier" was invented by Andreas Kirchberger (Miesbach, Germany), Johannes Nickol (Neukenroth, Germany), Jens Rothfuss (Unterschleissheim, Germany), Johann Sebastian Burz (Germaringen, Germany), Robert Eibl (Bad Toelz, Germany), Christian Bayer (Penzberg, Germany), Bernd Christoph Lang (Graefelfing, Germany), Andreas Eibl (Bad Toelz, Germany) and Martin Kasparbauer (Munich).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a tub configured to receive a volume of liquid for a humidifier, comprising at least one plastic co...