ALEXANDRIA, Va., March 5 -- United States Patent no. 12,239,944, issued on March 4.
"Systems and methods related to fluid pumping" was invented by Aaron Hirschmann (Lake Geneva, Wis.) and Robert Fesus (Lake Geneva, Wis.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems for a plastic pump/actuator capable of containing and pumping organic solvents and lubricants and having a more desirable lubricity within the system. The system has at least two cylinders, with plungers therein, oppositely disposed from each other and configured to operably connect to a pump."
The patent was filed on Aug. 8, 2023, under Application No. 18/366,941.
*For further information, including images, charts and tables, please vi...