Baldwin Filters, Inc.

Matthew K Epperson

Timothy L Krull

Michael J Von Seggern

Daniel P Pokorney

A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 μin to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.

Surface coated filter and method

A filter element is provided. The filter element includes a filter media pack including an outer surface. The outer surface extending between a first flow face and a second flow face. The filter element also includes a polymeric coating applied to the outer surface of the filter media pack, wherein the polymeric coating is not a molded structure. In embodiments, the polymeric coating covers at least 25% of a span between the first flow face and the second flow face and has an average thickness of between 0.005 and 0.100 in. In other embodiments, the polymeric coating has a surface roughness of at least 50 &#x3bc;in to provide an outer gripping surface. A method and system for applying the polymeric coating to the filter element are also provided.

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Kearney, NE, United States of America

Matthew K Epperson