Invention Grant
- Patent Title: Flexible filter element having an end outlet
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Application No.: US15552514Application Date: 2016-02-18
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Publication No.: US11311752B2Publication Date: 2022-04-26
- Inventor: John S. Huberty , Ryan D. Kracht , Michael J. Svendsen
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Agent Steven A. Bern; Dena M. Ehrich
- International Application: PCT/US2016/018373 WO 20160218
- International Announcement: WO2016/137803 WO 20160901
- Main IPC: A62B23/02
- IPC: A62B23/02 ; B01D46/52 ; A62B18/02

Abstract:
The present description provides a filter element that includes an end or side portion attached breather tube. One exemplary filter element described herein includes filter media having front and rear walls each including a proximal end and a distal end, a side portion at the proximal ends of the front and rear walls, and an outlet. The filter element further includes a breather tube attached to the filter media in fluid communication with the outlet. The outlet is positioned at least partially on the side portion, and the front and rear walls of the filter media are joined together at least partially along a perimeter.
Public/Granted literature
- US20180043191A1 Flexible Filter Element Having An End Outlet Public/Granted day:2018-02-15
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