LexDanaLexDanabeta
Inventor

Hongfu Mi

Inventor
CN

Overview

1→
Patents
2025
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
G01MTesting static or dynamic balance of machines or structures50%
PatentTitleYear
12,486,761Method for quantitative evaluation of gas seal performance of annular blowout preventer2025

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to UNIV CHONGQING SCI & TECH (1)· patent assignee history
2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV CHONGQING SCI & TECH12025
Locations
LocationPatentsSpan
CN12025