Patent ID: 8578821
Filing Date: 2013-11-12
Classification: B25B

Abstract:
1. An oil filter wrench for tightening or loosening an oil filter, the oil filter wrench comprising: a band assembly configured to be placed over the oil filter, the band assembly having an inner band surface, an outer band surface, and side edges between the inner band surface and the outer band surface; a handle assembly attached to the band assembly for tightening and turning the band assembly to tighten or loosen the oil filter; and a layer of high friction material applied over a majority of the inner band surface, wherein the layer includes a plurality of raised strips that extend parallel to a longitudinal axis of the band assembly and across substantially all of a length of the inner band surface to reduce slippage between the inner band surface and the oil filter, wherein the plurality of strips covers at least 25% of the inner band surface and the high friction material is applied to the band assembly in a dipping process or in a powder coating process.