US Patent Issued to MATISA Materiel Industriel on July 29 for "System for screening ballast with two screens" (Swiss Inventor)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,860, issued on July 29, was assigned to MATISA Materiel Industriel S.A. (Crissier, Switzerland).

"System for screening ballast with two screens" was invented by Jorg Ganz (Etoy, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system (10) for sieving ballast comprises a first sieve (26) and a second sieve (28) which is located behind the first sieve (26) in a first direction (100). A discharge collection conveyor (32.1) is located directly under a first discarded ballast outlet (42) of the first sieve (26) in order to collect a flow of discarded ballast which comes from the first sieve (26) and to convey it in a second direction (200) co...