Harvard Apparatus, founded in 1901 by Dr. William T. Porter of the Harvard Medical School, is a part of the Harvard Bioscience family of companies. They are known for innovation and quality in developing specialized bioscience research products, including programmable syringe pumps like the PHD ULTRA series, ventilators, pulsatile blood pumps, transducers, and amplifiers. Harvard Apparatus offers a wide range of products for physiology, surgical, behavioral research, microdialysis, pumps, and sample preparation. They are a global developer, manufacturer, and marketer of scientific instruments, with a focus on providing advanced tools for biomedical and industrial research applications.