Wikidata

(Q122644187)

English

Hollow poppet valve and manufacturing method therefor

US patent 11384842

In more languages
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Statements

title
Hollow poppet valve and manufacturing method therefor (English)
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author name string
Alberto Aimasso (Rivoli)
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Mario Filippo Caloiaro (Rivarolo C.se)
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Luigi Lia (Turin)
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Francesca Mancuso (Turin)
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Manuel Ruscigno (Rivarolo)
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significant event
filing
point in time
22 October 2018
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consent
point in time
12 July 2022
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Identifiers

patent number
US11384842
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