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US Patent 11933252 Sealing device

Patent 11933252 was granted and assigned to nok (retail company) on March, 2024 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Patent Applicant

nok (retail company)

Current Assignee

nok (retail company)

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

119332520

Patent Inventor Names

Nobuyuki Eguchi0

Date of Patent

March 19, 2024

Patent Application Number

172570850

Date Filed

August 5, 2019

Patent Citations

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US Patent 10161522 Sealing ring

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US Patent 8276919 Hydraulic cylinder

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US Patent 8322726 Compressor shaft seal

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US Patent 8720902 Pressure balanced radial rotary shaft seal

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US Patent 9303768 Valve stem seal device

Patent Primary Examiner

CPC Code

Patent abstract

A sealing device includes a metal ring

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