ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,050, issued on May 6, was assigned to Gebr. Becker GmbH (Wuppertal, Germany).
"Vacuum pump to generate a negative pressure" was invented by Denko Popovac (Cologne, Germany) and Michael Rapp (Solingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum pump for generating a negative pressure includes a pump housing having a pump chamber with a rotor and a motor for driving the rotor with a drive shaft rotatable about a longitudinal axis, a first and a second inlet line. The second inlet line leads through the pump housing into the pump chamber. A first outlet line leads from the pump chamber through the pump housing. The pump has a first...