The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2018
Filed:
Mar. 26, 2010
Thaddeus J. Ptak, Cana Winchester, OH (US);
Chrystal B. Gillilan, Ashville, OH (US);
Russell Baldinger, Laurelville, OH (US);
Thaddeus J. Ptak, Cana Winchester, OH (US);
Chrystal B. Gillilan, Ashville, OH (US);
Russell Baldinger, Laurelville, OH (US);
Columbus Industries, Inc., Ashville, OH (US);
Abstract
A filter media and a pleated filter with a first layer of filtration media, a layer of support material and a second layer of filtration media on the opposite side of the support material as the first layer of filter media. All three layers are laminated together and pleated. The support material provides the required stiffness and rigidity for the pleating process. The physical characteristics of the upstream layer of filtration media are contemplated to be different than the characteristics of the downstream layer of filtration media.