US Patent Issued to Resand on Sept. 30 for "Sand used in industry" (Finnish Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,531, issued on Sept. 30, was assigned to Resand Oy (Nuutajarvi, Finland).

"Sand used in industry" was invented by Jukka Nieminen (Nuutajarvi, Finland), Toni Wesin (Nuutajarvi, Finland) and Kalle Kekalainen (Nuutajarvi, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the disclosed solution, a method is described for producing sand used in industry, in which method discarded power plant and/or foundry sand is processed into sand for use in products of the construction industry and/or into foundry sand via pre-treatment, drying, and after-treatment. In addition, an apparatus is described for producing sand used in industry, and use of discar...