US Patent Issued to Waters Technologies on Nov. 18 for "Solvent delivery with a reduced volume single stroke pumping arrangement providing continuous solvent flow" (Massachusetts Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,307, issued on Nov. 18, was assigned to Waters Technologies Corp. (Milford, Mass.).

"Solvent delivery with a reduced volume single stroke pumping arrangement providing continuous solvent flow" was invented by Michael O. Fogwill (Uxbridge, Mass.) and Sylvain G. Cormier (Mendon, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The exemplary embodiments control solvent pumps so that system flow is constant. One or more controllers may control the flow rate produced by the pumps over time. The one or more controllers control a first pump so that, as the first pump is refilling, a second pump maintains a sufficient flow rate to compensate for the los...