US Patent Issued to WEATHERFORD TECHNOLOGY HOLDINGS on Sept. 30 for "Long-stroke pumping unit" (American, Canadian Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,046, issued on Sept. 30, was assigned to WEATHERFORD TECHNOLOGY HOLDINGS LLC (Houston).

"Long-stroke pumping unit" was invented by Clark E. Robison (Tomball, Texas), Jeffrey John Lembcke (Cypress, Texas), Victoria M. Pons (Katy, Texas), William Kevin Hall (Katy, Texas), John Edward Stachowiak Jr. (Houston), Benson Thomas (Pearland, Texas), Sean M. Christian (Fort Howard, Md.), Bryan A. Paulet (Spring, Texas) and Hermann Basler (Parkland County, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A long-stroke pumping unit includes a tower; a counterweight assembly movable along the tower; a crown mounted atop the tower; a sprocket supported by th...