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US Patent 11548261 Structure with selectively variable stiffness

Patent 11548261 was granted and assigned to Toyota Motor Engineering & Manufacturing North America on January, 2023 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Patent Applicant
Toyota Motor Engineering & Manufacturing North America
Toyota Motor Engineering & Manufacturing North America
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Current Assignee
Toyota Motor Engineering & Manufacturing North America
Toyota Motor Engineering & Manufacturing North America
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
115482610
Patent Inventor Names
Michael Paul Rowe0
Danil V. Prokhorov0
Ryohei Tsuruta0
Umesh N. Gandhi0
Date of Patent
January 10, 2023
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Patent Application Number
161693330
Date Filed
October 24, 2018
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Patent Citations
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US Patent 10749448 Engineered loading response in electroactive polymer devices having structured nanovoids
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Patent Citations Received
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US Patent 12092134 Inflatable structure with reinforcement shaped according to a Turing pattern
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Patent Primary Examiner
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Travis M Figg
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CPC Code
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F16K 31/06
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F16K 31/0679
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F16K 99/0026
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B25J 9/142
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B25J 9/065
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B25J 18/06
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B60R 1/0625
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Y10T 137/2213
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A stiffness control and systems for the same are disclosed herein. A first plate and a second plate can be connected with rigid support, a hydraulic actuator and a high roughness surface. Upon actuation, the actuator can force the high roughness surface against the first plate, thus increasing rigidity through hydraulic pressure against the first plate and the second plate. Thus, the stiffness of the surface can be altered in a variable and reversible fashion.

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