ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,805, issued on Sept. 9, was assigned to PFEIFFER VACUUM (Annecy, France).
"Turbomolecular vacuum pump and associated method" was invented by Pierre-Emmanuel Cavarec (Annecy, France), Cecile Chavanne (Annecy, France), Nicolas Varennes (Annecy, France) and Alysson Bruno Barbosa Moreira (Annecy, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A turbomolecular vacuum pump includes a stator, a rotor to rotate inside the stator, and a motor to drive the rotation of the rotor. The turbomolecular vacuum pump further includes a temperature sensor to measure the temperature of the rotor and a creep maintenance meter to determine an incremental change i...