US Patent Issued to Perca on Feb. 24 for "Systems and methods of removing toxic substances from water using vermifiltration" (Washington Inventor)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,398, issued on Feb. 24, was assigned to Perca Inc. (Walla Walla, Wash.).

"Systems and methods of removing toxic substances from water using vermifiltration" was invented by Russell V. Davis (Walla Walla, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments described herein are directed to methods and systems for treating wastewater or storm water using vermifiltration. The wastewater can come from various sources, such as agricultural sources, municipal and industrial sources, wineries, the dairy industry, and many others. The systems can include vermicomposting beds that are capable of removing high amounts of contaminants, pollutants, ...