Protective helmet

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12016417
APP PUB NO 20210330018A1
SERIAL NO

17218666

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Various embodiments are directed to a protective helmet comprising: a protective shell having a substantially dome-shaped configuration, the protective shell comprising: an outer shell surface; an inner shell surface; and at least one groove extending along at least a portion of the inner shell surface, wherein the at least one groove is embodied as a material recess within a wall thickness; wherein a ratio of the shell thickness at a first shell location adjacent the at least one groove to the groove depth of the at least one groove is at least a predetermined threshold value. In various embodiments, a protective helmet may further comprise an impact cap and/or an inner ring, one or both of which may comprise a respective groove configuration. In various embodiments, the one or more groove configurations may be configured to reduce the helmet weight of the invention by at least 15%.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HONEYWELL SAFETY PRODUCTS USA INCINTELLECTUAL PROPERTY SERVICES GROUP 855 S MINT STREET CHARLOTTE NC 28202

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahmad, Rizwan Charlotte, US 45 430
Schierenbeck, Alan Charlotte, US 1 1
Yarlagadda, Prudhvi Krishna Charlotte, US 3 1

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