ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,432, issued on Jan. 20, was assigned to A.O. International II Inc. (Stafford, Texas).
"Pressure activated flow balancing double quad valve" was invented by Andre Orban (Sugar Land, Texas), Daniel Maurice Lerner (Missouri City, Texas), Andrew Lerner (Houston) and Ranjit K. Singh (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A double quad valve design and associated use and system is presented that provides a user to control directional, bidirectional and in some cases tri-directional balanced flow into and out of three (or more) ports that together with one or more sets of springs and sliding seats ensures an ability to allow for a complete...