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US Patent 11759796 Air treatment apparatus

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Contents

Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11759796
Patent Inventor Names
Wayne Ernest Conrad
Date of Patent
September 19, 2023
Patent Application Number
17719265
Date Filed
April 12, 2022
Patent Citations
‌
US Patent 8572799 Removing debris from cleaning robots
‌
US Patent 8984708 Evacuation station system
‌
US Patent 9039799 Drained coalescer
‌
US Patent 9462920 Evacuation station
‌
US Patent 9492048 Removing debris from cleaning robots
‌
US Patent 9788698 Debris evacuation for cleaning robots
‌
US Patent 9931007 Evacuation station
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US Patent 9888818 Evacuation station system
...
Patent Primary Examiner
‌
Dung H Bui
CPC Code
‌
B04C 5/26
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A47L 9/1641
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A47L 9/1683
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A47L 9/2873
‌
A47L 9/1616
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A47L 2201/024
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A47L 9/2878
‌
A47L 9/106
...
Patent abstract

A docking station for a robotic surface cleaning apparatus has a momentum separator. The momentum separator has a plurality of walls comprising an upper wall, a lower wall and a first sidewall, wherein the first sidewall extends between the upper and lower walls, and wherein the first sidewall comprises a side screen. A first end wall is spaced from and faces the side screen wherein an up flow chamber is positioned between the first end wall and the side screen.

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