ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,022, issued on March 17, was assigned to ROTEX AUTOMATION Ltd. (Vadodara, India).
"Pneumatic valve with flexi-seals" was invented by Rajesh Shah (Vadodara, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pneumatic valve 300 includes flexi-seals 302 that are annular shaped with non-circular cross-section and are fitted in peripheral groves in plunger 304 of the valve such that a portion of the flexi-seal 302 projects out of the outer circumference of the plunger 304. As the plunger 304 is moved towards a valve seat 314, the projecting portion of the flexi-seal 302 rests against a flat surface of the valve seat 314 to close the passage through...