LexDanaLexDanabeta
Inventor

FENGMING QIN

Inventor
CN

Overview

1→
Patents
2025
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.

B24Bprimary
B24BMachines, devices, or processes for grinding or polishing50%
B24DTools for grinding, buffing or sharpening50%
PatentTitleYear
12,220,789High-rotational speed cup-shaped grinding wheel2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to GUILIN CHAMPION UNION DIAMOND CO LTD (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUILIN CHAMPION UNION DIAMOND CO LTD12025
Locations
LocationPatentsSpan
CN12025