US Patent Issued to CATERPILLAR on Jan. 28 for "Hydraulic cylinder sealing arrangement" (American, Australian, Indian Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,667, issued on Jan. 28, was assigned to CATERPILLAR INC. (Peoria, Ill.).

"Hydraulic cylinder sealing arrangement" was invented by Ananda Sudhakar Ponnusamy (Naperville, Ill.), Rameshkrishnan Lakshminarayanan (Chennai, India), Justin Douglas Speichinger (Morton, Ill.), Cody Patrick Renshaw (Washington, Ill.) and Jaime E. Ruiz (Queensland, Australia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A combination of seals and wear guides for use in a hydraulic cylinder provides a sealed engagement between a piston rod of the hydraulic cylinder and an inner circumferential surface of a rod end of a cylinder barrel of the hydraulic cylinder through which th...