Invention Grant
- Patent Title: Filter media, elements, and methods
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Application No.: US17499746Application Date: 2021-10-12
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Publication No.: US11845027B2Publication Date: 2023-12-19
- Inventor: Qiong Gao , Richard Patrick DeJong , Gregory S. Tronnes , Jason A. Tiffany , Giancarlo M. Izzi
- Applicant: Donaldson Company, Inc.
- Applicant Address: US MN Minneapolis
- Assignee: Donaldson Company, Inc.
- Current Assignee: Donaldson Company, Inc.
- Current Assignee Address: US MN Minneapolis
- Agency: Mueting Raasch Group
- Main IPC: B01D39/16
- IPC: B01D39/16 ; B01D39/20
Abstract:
Fibrous filter medium that includes a surface-loading filter layer comprising fine fibers having an average diameter of less than 1 micron; a depth loading filter layer; and a support layer; wherein the layers are configured and arranged for placement in a gas stream with the surface loading filter layer being the most upstream layer.
Public/Granted literature
- US20220118387A1 FILTER MEDIA, ELEMENTS, AND METHODS Public/Granted day:2022-04-21
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