Biosolids digester and process for biosolids production Grant US-10717684-B2 United States of America 21 Jul 2020
Biosolids digester and process for biosolids production Grant US-8835155-B2 United States of America 16 Sep 2014
Method and apparatus for anaerobic digestion of organic liquid waste streams Grant US-8470177-B2 United States of America 25 Jun 2013