MINNEAPOLIS, Nov. 10, 2025 (GLOBE NEWSWIRE) -- Nuwellis, Inc. (Nasdaq: NUWE), a medical technology company committed to delivering solutions for patients with cardio-renal conditions, addressing the critical interplay between the heart and kidneys, today announced that the United States Patent and Trademark Office has issued Nuwellis a notice of allowance for a new patent covering advanced safety mechanisms for blood return line clamps used in extracorporeal blood filtration systems, including the company’s ...