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Inventor

Junyun SHAN

Inventor
CN

Overview

1→
Patents
2024
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

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

B66Dprimary
B66DCapstans25%
E21BEarth or rock drilling25%
F15BSystems acting by means of fluids in general25%
F16HGearing25%
PatentTitleYear
12,091,293Main hoist system of rotary drilling rig, and control method therefor2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to XUZHOU XUGONG FOUNDATION CONSTR MACHINERY CO (1)· patent assignee history
2024Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XUZHOU XUGONG FOUNDATION CONSTR MACHINERY CO12024
Locations
LocationPatentsSpan
CN12024