Invention Grant
- Patent Title: Air filter with spiral-wrapped frame
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Application No.: US16078487Application Date: 2017-03-27
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Publication No.: US10744441B2Publication Date: 2020-08-18
- Inventor: Glen O. Gregerson
- 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 Kenneth B. Wood
- International Application: PCT/US2017/024245 WO 20170327
- International Announcement: WO2017/176480 WO 20171012
- Main IPC: B01D46/00
- IPC: B01D46/00 ; B01D46/10 ; B01D46/52 ; B01D39/00
Abstract:
A framed air filter in which at least one portion of the frame is provided by a spiral-wrapped frame piece in which a terminal segment of the spiral-wrapped frame piece serves as a reinforcing strut.
Public/Granted literature
- US20190046910A1 Air Filter With Spiral-Wrapped Frame Public/Granted day:2019-02-14
Information query
