Inventor

Li Ouyang

Inventor

Shanghai, CN

Overview

2014–2020

Patent span

Physics

Primary field (CPC G)

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

G07Cprimary

G07CTime or attendance registers16%

H04LTransmission of digital information, e.g. telegraphic communication11%

A21BBakers' ovens5%

F24FAir-conditioning5%

F25BRefrigeration machines, plants or systems5%

F26BDrying solid materials or objects by removing liquid therefrom5%

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact5%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application5%

G06FElectric digital data processing5%

G06KGraphical data reading5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to LI MEIXIANG (1)· patent assignee history

2014Patents assigned to LUO WEIXI (1)· patent assignee history

2014Patents assigned to NATIONZ TECHNOLOGIES INC (1)· patent assignee history

2014Patents assigned to OUYANG LI (1)· patent assignee history

2014Based in Guangdong, CN· patent location history

2016–2018Patents assigned to HONEYWELL INT INC (3)· patent assignee history

2016–2018Based in Shanghai, CN· patent location history

2020Based in Hunan, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations