ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,968, issued on June 10, was assigned to Henry Obermeyer (Wellington, Colo.).
"Water control gate abutment air vent" was invented by Henry K. Obermeyer (Wellington, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses improved means of venting bottom hinged water control gates through the abutments over a wide range of tailwater elevations while minimizing the hazard of trapping water born debris in the abutment vents. A single pipe, or a plurality of pipes, may be provided. Check valves may be provided to exclude water borne trash."
The patent was filed on April 28, 2021, under Application No. 17/921,954.
*For furth...