US Patent Issued to Rosenboom Machine & Tool on Oct. 28 for "Multi-stage, telescoping hydraulic cylinder, cylinder bearing protection system, and scraper for cylinder rod" (Iowa Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,967, issued on Oct. 28, was assigned to Rosenboom Machine & Tool Inc. (Sheldon, Iowa).

"Multi-stage, telescoping hydraulic cylinder, cylinder bearing protection system, and scraper for cylinder rod" was invented by Darin M. Rosenboom (Sheldon, Iowa) and Ryan L. Bolkema (Sheldon, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "Hydraulic cylinders include a number of features that are useful in a number of industries. The great advantage telescopic cylinders have over any other type of cylinders is their ability to provide an exceptionally long stroke from a compact initial package. Controlling the extension and retraction of the stages of a teles...