Shares of Nuwellis (NASDAQ: NUWE) surged 14.34% in after-hours trading on Tuesday, July 15, 2025, reaching $8.93 following U.S. Patent win.
The company announced it secured U.S. Patent No. 12,357,734 for its “Extracorporeal Blood Filtering Machine and Methods,” granted on July 15, 2025, bolstering its intellectual property assets. This patent, originally held by Baxter International (BAX), addresses improvements in fluid balance calculations by incorporating the density of replacement fluids and effluent to reduce errors in continuous renal replacement therapy (CRRT) systems using weight-based measurements.
The stock had closed the regular session at $6.90, after trading between $6.35 and $7.56 during the day, with a volume of 2.30 million shares and an opening price of $7.54.
