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Inventor

Huijie Zhang

Inventor
Shandong, CN

Overview

3→
Patents
2013–2019
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.

B61Bprimary
B61BRailway systems13%
B61CLocomotives13%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles13%
B61GCouplings13%
F03BMachines or engines for liquids13%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g13%
F17CVessels for containing or storing compressed, liquefied or solidified gases13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
PatentTitleYear
10,507,847Central traction device for straddling monorail train20199,890,906'Floating ball filling-control device for cryogenic tank'20188,522,544'Oceanic wave energy utilization system'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to LIU FENG (1)· patent assignee history
2013Patents assigned to ZHANG HUIJIE (1)· patent assignee history
2013Patents assigned to ZHANG JILIN (1)· patent assignee history
2013Based in Beijing, CN· patent location history
2018Patents assigned to SHIJIAZHUANG ENRIC GAS EQUIPMENT CO LTD (1)· patent assignee history
2018Based in Shijiazhuang, CN· patent location history
2019Patents assigned to CRRC QINGDAO SIFANG CO LTD (1)· patent assignee history
2019Based in Shandong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CRRC QINGDAO SIFANG CO LTD12019
LIU FENG12013
SHIJIAZHUANG ENRIC GAS EQUIPMENT CO LTD12018
ZHANG HUIJIEself12013
ZHANG JILIN12013
Locations
LocationPatentsSpan
Shandong, CN12019
Shijiazhuang, CN12018
Beijing, CN12013