LexDanaLexDanabeta
Inventor

XIAOCHEN QIAN

Inventor
CN

Overview

2→
Patents
2023–2025
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.

E21Bprimary
E21BEarth or rock drilling50%
G01RMeasuring electric variables50%
PatentTitleYear
12,345,121All-metal dissolvable ball seat for self-compensating fracturing202511,835,567Method for assembling ultrahigh-frequency spring probe test assembly2023

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2023Patents assigned to SUZHOU UIGREEN MICRO&NANO TECH CO LTD (1)· patent assignee history
2023–2025Based in CN· patent location history
2025Patents assigned to CHONGQING YUHUA NEW MATERIALS TECH CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CHONGQING YUHUA NEW MATERIALS TECH CO LTD12025
SUZHOU UIGREEN MICRO&NANO TECH CO LTD12023
Locations
LocationPatentsSpan
CN22023–2025