US Patent Issued to DANA ITALIA on May 13 for "Stand-alone, self-purging, hollow-piston hydraulic actuator" (Italian Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,904, issued on May 13, was assigned to DANA ITALIA S.R.L. (Arco, Italy).

"Stand-alone, self-purging, hollow-piston hydraulic actuator" was invented by Davide Carpi (Caluso, Italy), Pier Paolo Rinaldi (Trentino, Italy) and Giacomo Faggiani (Rovereto, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A stand-alone block, comprising: a hydraulic cylinder and one or more valves, wherein one or more adduction lines between the valve and the hydraulic cylinder are configured to allow the hydraulic cylinder to be self-purging. The hydraulic cylinder drives and guides a hollow piston, wherein a pass-through hole of the piston is configured to host a rod ...