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Inventor

Dongfang HU

Inventor
CN

Overview

1→
Patents
2022
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 1 as inventor

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

F03Bprimary
F03BMachines or engines for liquids13%
F04BPositive-displacement machines 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%
F16CShafts13%
F16JPistons13%
F16NLubricating13%
G01FMeasuring volume, volume flow, mass flow or liquid level13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
PatentTitleYear
11,319,919Rolling bearing protection device and vertical-axis tidal current energy generating device applying the same2022

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2022Patents assigned to HANGZHOU LHD INST OF NEW ENERGY LLC (1)· patent assignee history
2022Patents assigned to HANGZHOU LINDONG NEW ENERGY TECH INC (1)· patent assignee history
2022Patents assigned to UNIV ZHEJIANG SIENCE & TECHNOLOGY (1)· patent assignee history
2022Patents assigned to ZHEJIANG ZHOUSHAN LHD ENERGY DEV CO LTD (1)· patent assignee history
2022Based in CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HANGZHOU LHD INST OF NEW ENERGY LLC12022
HANGZHOU LINDONG NEW ENERGY TECH INC12022
UNIV ZHEJIANG SIENCE & TECHNOLOGY12022
ZHEJIANG ZHOUSHAN LHD ENERGY DEV CO LTD12022
Locations
LocationPatentsSpan
CN12022