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.

Date of Patent:
Apr. 21, 2025

Filed:

Jul. 31, 2023
Applicant:

Research Products Corporation, Madison, WI (US);

Inventors:

Thomas J. Anoszko, Verona, WI (US);

Gajanan Subray Bhat, Watkinsville, GA (US);

Collin D. Anderson, Chicago, IL (US);

William H. Hofmeister, Nashville, TN (US);

Qin Sun, Clarksville, TN (US);

Jatin Champaklal Khanpara, Saint Joseph, MN (US);

Guolian Wu, Saint Joseph, MN (US);

Assignee:

Research Products Corporation, Madison, WI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 39/16 (2005.12); D04H 1/46 (2011.12); D04H 5/02 (2011.12);
U.S. Cl.
CPC ...
B01D 39/1607 (2012.12); D04H 1/46 (2012.12); D04H 5/02 (2012.12); B01D 39/1692 (2012.12); B01D 2239/0659 (2012.12); B01D 2239/10 (2012.12); B01D 2239/125 (2012.12);
Abstract

The present application is direction to a system and method for preparing filter media from macro and nanofibers by ventilating a nanofiber media, combining the nanofiber media with macro fibers to form a hybrid media, inserting the hybrid media between a stitching plate and a stripper plate and alternatively inserting and withdrawing needles to combine the macro fibers with the nanofiber media and create a fiber web along at least one surface of the nanofiber media.


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