ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,504, issued on Nov. 11, was assigned to UCHIYAMA MANUFACTURING CORP. (Okayama, Japan).
"Sealing device" was invented by Shiori Arakawa (Okayama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing device including a first member having a first cylindrical portion, of which end portion on an open side faces an outer side in a sealed space, and a second member having a second cylindrical portion, a disk portion, and an intermediate cylindrical portion. An end portion of the intermediate cylinder portion on an open side faces inner side in the sealed space. A communication path in a repeatedly bent shape communicating with the outer side is ...