Invention Grant
- Patent Title: Air cleaner; replaceable filter cartridges; and, methods
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Application No.: US16931658Application Date: 2020-07-17
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Publication No.: US11478741B2Publication Date: 2022-10-25
- Inventor: James R. Scott , Carolyn Finnerty , Steven Gieseke , Douglas Iddings , William Juliar , Gregory LaVallee
- 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: Merchant & Gould P.C.
- Main IPC: B01D46/00
- IPC: B01D46/00 ; B01D46/24 ; B01D46/52 ; F02M35/024 ; B01D46/64 ; B01D46/88 ; F01M13/00

Abstract:
The disclosure concerns air cleaners. Preferred air cleaners are shown which include a housing and a removable and replacement primary filter cartridge. Optional and advantageous features are shown. The preferred primary filter cartridge is conical in shape. A preferred optional safety or secondary filter cartridge is shown. Preferred methods of assembly and use are provided.
Public/Granted literature
- US20200346156A1 Air Cleaner; Replaceable Filter Cartridges; and, Methods Public/Granted day:2020-11-05
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