ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,612, issued on Feb. 3.
"Hydraulic powerhouse system for an oil well pumping unit" was invented by David A. Krug (Cedar Hills, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil well pumping unit. The pumping unit has a vertical support column residing adjacent a horizontal support base at a generally transverse orientation. The pumping unit has a standing sheave fixed proximate an upper end of the vertical support column, a carrier bar attached to a polished rod along the front face of the vertical support column, and a traveling sheave configured to move up and down along the vertical support column. A near-vertical actuator resides along th...