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Inventor

Guozheng QUAN

Inventor
CN

Overview

1→
Patents
2024
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.

B21Jprimary
B21JForging17%
B21KMaking forged or pressed metal products, e.g. horse-shoes, rivets, bolts or wheels17%
C22CAlloys17%
C22FChanging the physical structure of non-ferrous metals and non-ferrous alloys17%
F01LCyclically operating valves for machines or engines17%
Y02TClimate change mitigation technologies related to transportation17%
PatentTitleYear
12,104,508Large-size diesel exhaust valve and manufacturing method thereof2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to COSCO SHIPPING MARINE EQUIPT & SPARES NJ CO LTD (1)· patent assignee history
2024Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COSCO SHIPPING MARINE EQUIPT & SPARES NJ CO LTD12024
Locations
LocationPatentsSpan
CN12024