LexDanaLexDanabeta
Inventor

Jincheng Xia

Inventor
Shenzhen, CN

Overview

4→
Patents
2020–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 4 as inventor

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

A46Bprimary
A46BBrushes30%
A46DManufacture of brushes30%
A47LDomestic washing or cleaning30%
E21DShafts10%
PatentTitleYear
10,925,455Surface cleaning apparatus2021D0908994Brushroll for a multi-surface vacuum cleaner2021D0908995Brushroll for a multi-surface vacuum cleaner202110,822,949Apparatus for protecting roof tray when gob-side entry retaining end support migrates2020

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2020Patents assigned to CHINA MINING & CIVIL NEW MATERIAL SCIENCE AND TECH LTD (1)· patent assignee history
2020Patents assigned to UNIV CHINA MINING (1)· patent assignee history
2020Based in Xuzhou, CN· patent location history
2021Patents assigned to BISSELL INC (3)· patent assignee history
2021Based in Shenzhen, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BISSELL INC32021
CHINA MINING & CIVIL NEW MATERIAL SCIENCE AND TECH LTD12020
UNIV CHINA MINING12020
Locations
LocationPatentsSpan
Shenzhen, CN32021
Xuzhou, CN12020