Inventor

Kefa Cen

Inventor
Hangzhou, CN

Overview

11→
Patents
2014–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 11 as inventor

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

Y02Eprimary
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution14%
F03GSpring, weight, inertia or like motors10%
B01DSeparation8%
F02CGas-turbine plants8%
F24SSolar heat collectors8%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants6%
F22BMethods of steam generation4%
B01FMixing, e.g. dissolving, emulsifying or dispersing2%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids2%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to CEN KEFA (1)· patent assignee history
2014Patents assigned to CHENG LEMING (1)· patent assignee history
2014Patents assigned to FANG MENGXIANG (1)· patent assignee history
2014Patents assigned to GAO XIANG (1)· patent assignee history
2014–2021Based in Hangzhou, CN· patent location history
2015–2021Patents assigned to UNIV ZHEJIANG (10)· patent assignee history
2020Based in Zhejiang, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UNIV ZHEJIANG102015–2021
CEN KEFAself12014
CHENG LEMING12014
FANG MENGXIANG12014
GAO XIANG12014
Locations
LocationPatentsSpan
Hangzhou, CN102014–2021
Zhejiang, CN12020