Patents by Inventor James M. Rygalski

James M. Rygalski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Filters and methods of manufacturing the same
    Publication number: 20070295659
    Abstract: A filter and methods of manufacturing the same. In one embodiment, the filter includes a first scrim made from at least one thermoplastic material; a second scrim made from at least one thermoplastic material; and a middle layer positioned between the first and second scrims. The middle layer includes a dry-laid web of cellulose and opened, individuated staple bicomponent fiber. At least some of the bicomponent fiber in the middle layer is thermally bonded to at least some of the cellulose in the middle layer, and the first and second scrims are thermally bonded to the middle layer.
    Type: Application
    Filed: April 23, 2007
    Publication date: December 27, 2007
    Applicant: Sellars Absorbent Materials, Inc.
    Inventors: James M. Rygalski, John Sellars, William Sellars, Thomas Shutt, Richard Goepel