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Inventor

Qianwu Hu

Inventor
Wuhan, CN

Overview

3→
Patents
2016–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B60Fprimary
B60FVehicles for use both on rail and on road18%
B61DBody details or kinds of railway vehicles18%
C21DModifying the physical structure of ferrous metals18%
E01BPermanent way18%
B23KSoldering or unsoldering9%
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for9%
B61LGuiding railway traffic9%
PatentTitleYear
10,808,364Onsite steel rail laser processing engineering vehicle202010,106,864Method and apparatus for laser quenching20189,365,983'Onsite steel rail laser processing vehicle'2016

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2016–2020Patents assigned to UNIV HUAZHONG SCIENCE TECH (3)· patent assignee history
2016Patents assigned to WUHAN NRD LASER ENGINEERING CO LTD (1)· patent assignee history
2016–2018Based in Wuhan, CN· patent location history
2018–2020Patents assigned to WUHAN NRD LASER ENG CO LTD (2)· patent assignee history
2018Patents assigned to WUHAN HIVALUE INTELASER LTD (1)· patent assignee history
2020Based in Hubei, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV HUAZHONG SCIENCE TECH32016–2020
WUHAN NRD LASER ENG CO LTD22018–2020
WUHAN HIVALUE INTELASER LTD12018
WUHAN NRD LASER ENGINEERING CO LTD12016
Locations
LocationPatentsSpan
Wuhan, CN22016–2018
Hubei, CN12020