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US Patent 8084901 Power tool

Patent 8084901 was granted and assigned to Hitachi on December, 2011 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent
1

Patent attributes

Current Assignee
Hitachi
Hitachi
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
80849011
Patent Inventor Names
Katsuhiro Oomori1
Kazutaka Iwata1
Kenichirou Yoshida1
Yoshihiro Komuro1
Date of Patent
December 27, 2011
1
Patent Application Number
125302001
Date Filed
June 17, 2008
1
Patent Citations Received
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US Patent 11873824 Blower
2
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US Patent 12011812 High-power cordless, hand-held power tool including a brushless direct current motor
3
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US Patent 11923752 Brushless DC motor power tool with combined PCB design
4
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US Patent 12081104 Brushless DC motor configuration for a power tool
5
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US Patent 11777369 Brushless dc motor configuration for a power tool
Patent Primary Examiner
‌
Quyen Leung
1
Patent abstract

According to an aspect of the present invention, there is provided a power tool including: a housing having a suction port formed thereon to introduce an cooling air from an outside of the housing; and a brushless motor that is housed in the housing and has an electric circuit, the electric circuit having a heat radiating surface, wherein the heat radiating surface is disposed in a neighborhood of the suction port.

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