US Patent Issued to SHENYANG CANTA MEDICAL TECH. on Nov. 11 for "Full-sealing positive pressure and negative pressure integrated oil-free compressor for oxygen generation" (Chinese Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,444, issued on Nov. 11, was assigned to SHENYANG CANTA MEDICAL TECH. Co. LTD. (Shenyang, China).

"Full-sealing positive pressure and negative pressure integrated oil-free compressor for oxygen generation" was invented by Xiaobo Zhu (Shenyang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A full-sealing positive pressure and negative pressure integrated oil-free compressor for oxygen generation includes a motor, a vacuum air passage structure, a supporting body, a positive pressure air passage structure and air cylinders, wherein the vacuum air passage structure, the supporting body and the positive pressure air passage structure are fixedly m...