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Inventor

Yunfeng Zhao

Inventor
Guangxi, CN

Overview

9→
Patents
2014–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

E02Fprimary
E02FDredging23%
H04LTransmission of digital information, e.g. telegraphic communication15%
H02JElectric power networks8%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner8%
H03HImpedance networks, e.g. resonant circuits8%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses8%
H04BTransmission8%
H04MTelephonic communication8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%
Y04SSystems integrating technologies related to power network operation, communication or information technologies for improving the electrical power generation, transmission, distribution, management or usage, i.e. smart grids8%
PatentTitleYear
10,767,339Multiple interface tool for a construction machine202010,659,361Packet processing202010,648,155Multiple tool construction machine202010,633,819Self-level mechanism for a construction machine202010,348,244Method and circuit for exciting a crystal oscillation circuit20199,692,716'Interoperation of switch line card and programmable line card'20179,106,108'Smart feed line automation system based on 10KV carrier communication'20158,766,685'Phase locked loop circuit and a method in the phase locked loop circuit'20148,698,871'3G multimedia dispatching command system'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014–2019Patents assigned to BEKEN CORP (2)· patent assignee history
2014–2015Patents assigned to JIN JIANYUN (2)· patent assignee history
2014–2015Patents assigned to SUN JINPING (2)· patent assignee history
2014–2015Patents assigned to Shanxilinfen Power Supply Company (2)· patent assignee history
2014–2019Based in Shanghai, CN· patent location history
2014–2015Based in Linfen, CN· patent location history
2017–2020Based in Beijing, CN· patent location history
2020Patents assigned to GUANGXI LIUGONG MACHINERY CO (3)· patent assignee history
2020Based in Guangxi, CN· patent location history
2020Based in Tianjin, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GUANGXI LIUGONG MACHINERY CO32020
BEKEN CORP22014–2019
JIN JIANYUN22014–2015
SUN JINPING22014–2015
Shanxilinfen Power Supply Company22014–2015
Locations
LocationPatentsSpan
Guangxi, CN22020
Beijing, CN22017–2020
Shanghai, CN22014–2019
Linfen, CN22014–2015
Tianjin, CN12020