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Efner John patents

Efner John is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorEfner John
Total patents6
First publicationJan 25, 2018
Latest publicationApr 3, 2025

Notable patents

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Recent patents

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Major assignees

Companies most often associated with this inventor's publications.

Top assignees for this inventor
AssigneePatents
Ball Corp6

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
B41F17/225
B41F33/164
B41F33/00454
H04N1/000472
B41F33/00092