Inventor

Jilei Gao

Inventor
Beijing, CN

Overview

5→
Patents
2002–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 5 as inventor

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

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information25%
F25BRefrigeration machines, plants or systems17%
F25DRefrigerators17%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein17%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact8%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application8%
G11CStatic stores8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2004Based in Shijiazhuang City, CN· patent location history
2004Patents assigned to HEBEI ENERGY CONSERVATION INVE (1)· patent assignee history
2021Patents assigned to BOE TECHNOLOGY GROUP CO LTD (3)· patent assignee history
2021Patents assigned to HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO LTD (3)· patent assignee history
2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BOE TECHNOLOGY GROUP CO LTD32021
HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO LTD32021
HEBEI ENERGY CONSERVATION INVE12004
Locations
LocationPatentsSpan
Beijing, CN32021
Shijiazhuang City, CN22002–2004