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Inventor

Changgong Zhang

Inventor
Nanling Changchun, CN

Overview

1→
Patents
1990
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.

B23Kprimary
B23KSoldering or unsoldering20%
B61DBody details or kinds of railway vehicles20%
B62DMotor vehicles20%
Y02TClimate change mitigation technologies related to transportation20%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
4,908,490'Technology and equipment of the stressed skin sheet covering for large passenger vehicles'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990Patents assigned to UNIV JILIN (1)· patent assignee history
1990Based in Nanling Changchun, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV JILIN11990
Locations
LocationPatentsSpan
Nanling Changchun, CN11990