US Patent Issued to Gardner Denver Schopfheim on Feb. 10 for "Rotary piston compressor/pump/blower with a ventilation channel" (German Inventor)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,315, issued on Feb. 10, was assigned to Gardner Denver Schopfheim GMBH (Schopfheim, Germany).

"Rotary piston compressor/pump/blower with a ventilation channel" was invented by Dimitrij Sergey Kavun (Schopfheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary piston compressor/pump/blower includes a housing spatially limiting a working chamber, an intake connection for guiding fluid into the working chamber, a pressure connection for guiding the fluid out of the working chamber, and a rotor assembly having a first rotor rotatably arranged in a first working sub-chamber and a second rotor cooperating with the first rotor and rotatably ...