US Patent Issued to PFEIFFER VACUUM on March 24 for "Turbomolecular vacuum pump and methods for manufacturing a rotor" (French Inventor)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,487, issued on March 24, was assigned to PFEIFFER VACUUM (Annecy, France).

"Turbomolecular vacuum pump and methods for manufacturing a rotor" was invented by Nicolas Varennes (Annecy, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A turbomolecular vacuum pump including a stator and a rotor designed to rotate in the stator. The rotor includes a hub and at least one blade stage including blades distributed regularly about the periphery of the hub. The blades of at least one blade stage of the rotor are hollow."

The patent was filed on April 25, 2023, under Application No. 18/881,063.

*For further information, including images, charts and tab...