Inventor

ZEYUN MA

Inventor
CN

Overview

1→
Patents
2022
Patent span
Performing operations
Primary field (CPC B)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B21Dprimary
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material25%
B21JForging25%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels25%
B23PMetal-working not otherwise provided for25%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to CITIC DICASTAL CO LTD (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CITIC DICASTAL CO LTD12022
Locations
LocationPatentsSpan
CN12022