LexDanaLexDanabeta
Inventor

Baolong CHEN

Inventor
CN

Overview

2→
Patents
2024–2025
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Dprimary
E21DShafts50%
E21FSafety devices, transport, filling-up, rescue, ventilation, or draining in or of mines or tunnels25%
F15BSystems acting by means of fluids in general25%
PatentTitleYear
12,352,169Hydraulic support with quick response function for coal wall spalling202511,913,479Impact-resistant balanced hydro-cylinder with pressure relief and buffering protection2024

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2024–2025Patents assigned to UNIV SHANDONG SCIENCE & TECH (2)· patent assignee history
2024–2025Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV SHANDONG SCIENCE & TECH22024–2025
Locations
LocationPatentsSpan
CN22024–2025