ALEXANDRIA, Va., May 26 -- United States Patent no. 12,638,082, issued on May 26, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Seal unit, joint, industrial device and method" was invented by Jiangwei Huang (Vasteras, Sweden), Johan Ernlund (Vasteras, Sweden), Tomas Botold (Vasteras, Sweden) and Shanghua Li (Vasteras, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A seal unit for being installed in a joint, the seal unit having a first adapting ring concentric with a seal unit axis; a dynamic seal in contact with, and allowed to slide relative to, the first adapting ring; and a holding device configured to adopt two states, at least one of the states being associated with a unique seal unit wi...