Filter cleaning device

We claim the ornamental design for a filter cleaning device, as shown and described.

FIG. 1 is a perspective view of a filter cleaning device, showing a first embodiment of our new design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a left-side, elevational view thereof.

FIG. 5 is a right-side, elevational view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of a filter cleaning device, showing a second embodiment of our new design.

FIG. 9 is a front elevational view thereof.

FIG. 10 is a rear elevational view thereof.

FIG. 11 is a left-side, elevational view thereof.

FIG. 12 is a right-side, elevational view thereof.

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The broken lines in the figures depict portions of the filter cleaning device that form no part of the claimed design.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Feb 01 2019		TINECO INTELLIGENT TECHNOLOGY CO., LTD.	(assignment on the face of the patent)
Feb 19 2019	XIE, MENGZHE	TINECO INTELLIGENT TECHNOLOGY CO , LTD	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	048406	0364	pdf

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