ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,794, issued on Oct. 28, was assigned to Voith Patent GmbH (Heidenheim, Germany).
"Press felt" was invented by Robert Eberhardt (Ellwangen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A press felt for a machine for producing a fibrous material web has a woven base structure and a nonwoven support fixed thereon. The base structure includes a first fabric layer and a second fabric layer, wherein at least the first fabric layer has longitudinal threads and transverse threads which intersect at intersecting points. The longitudinal threads and the transverse threads of the first fabric layer are integrally bonded to each other, in particular w...