ALEXANDRIA, Va., July 30 -- United States Patent no. 12,372,155, issued on July 29, was assigned to BRUSS SEALING SYSTEMS GMBH (Hoisdorf, Germany).
"Radial shaft seal ring" was invented by Jan Specht (Hamburg, Germany) and Sebastian Teuscher (Hamburg, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A radial shaft seal ring having a supporting body and connected to the supporting body a sealing element with a flexible sealing lip, which comprises a contact area for sealingly contacting a shaft, wherein in the contact area of the sealing lip a sealing edge, a plurality of circumferentially sinusoidal closed-loop, arranged in phase with one another and sinusoidal back-feeding channels formed between the ...