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Patsy Matthew patents

Patsy Matthew is listed as an inventor on 9 patents in our database. Major assignees and classification codes are summarized below.

Inventor statistics
MetricValue
InventorPatsy Matthew
Total patents9
First publicationMar 29, 2018
Latest publicationJan 28, 2025

Notable patents

Publications ranked by popularity score, then publication date.

Recent patents

Latest publications not already listed above.

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Major assignees

Companies most often associated with this inventor's publications.

Top assignees for this inventor
AssigneePatents
Cnpc Usa Corp9
Beijing Huamei Inc4
China Nat Petroleum Corp4

Top CPC classifications

Most common classification codes across this inventor's patents.

Top CPC codes for this inventor
CPCPatents
E21B33/1287
E21B33/12935
E21B33/12084
E21B33/12913
E21B33/1293