ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,909, issued on May 13, was assigned to Inpro/Seal LLC (Rock Island, Ill.).
"Shaft seal assembly" was invented by Neil F. Hoehle (Solon, Iowa) and Chintan Shah (Bettendorf, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "A shaft seal assembly comprises a stator configured to engage a housing and a rotor positioned within the stator. The stator may include a main body, a stator inward radial projection extending radially inward from the stator main body, and a collection groove adjacent the stator inward radial projection. The rotor may include a rotor main body and a rotor axial projection extending from the rotor main body. The rotor axial proje...