Patents by Inventor Dumitru Crestin

Dumitru Crestin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • METHOD FOR RECOVERING NOBLE METALS AND OTHER BYPRODUCTS FROM ORE
    Publication number: 20130146477
    Abstract: Method for the recovery of noble metals comprising the steps of subjecting ore particles to an electrolytic bath enhanced by an ultrasonic bath, the electrolytic bath comprising heavy and/or semi-heavy water; shock heating the ore particles for disintegrating them; and separating noble metals from the remains of said disintegrated ore particles.
    Type: Application
    Filed: October 1, 2010
    Publication date: June 13, 2013
    Inventors: Voldemars Belakovs, Nicolae Costache, Dumitru Crestin, Geanina S. Banu