ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,450, issued on May 5, was assigned to Carl Freudenberg KG (Weinheim, Germany).
"Dirt ingress seal" was invented by Perambur Krishnan Venkateswaran (Sriperumbudar, India) and Sowmik Sur (Kattupakkam, India).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is related to a dirt ingress seal (100) for shock absorbers and front forks. The dirt ingress seal comprising a first lip (102a) that isolates the internal space of the seal (100) from the atmosphere and external environment; first ribs (105a) formed on the inner side of the circumferential surface of the dirt ingress seal (100), the first ribs (105a) formed near the first lip (102...