ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,501, issued on March 24, was assigned to Agilent Technologies Inc. (Santa Clara, Calif.).
"Oil-lubricated vacuum pump with improved oil sealing" was invented by Giovanni Iannucci (Casserta, Italy), Giuseppe De Palma (Turin, Italy), Andrea Lepore (Cassino, Italy), Simone Cau (Settimo Torinese, Italy), Cristiano Bruno (Settimo Torinese, Italy), Claudio Caputo (Turin, Italy) and Vito Apicella (Settimo Torinese, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum pumping system includes an oil-lubricated rotary vacuum pump, an electric motor driving the pump and a gas ballast arrangement supplying the pump with gas and fluidically coupled wit...