Inventor

JIANHUA GAO

Inventor

Overview

2021–2023

Patent span

Mechanical engineering

Primary field (CPC F)

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

F28Dprimary

F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact33%

F28FDetails of heat-exchange and heat-transfer apparatus, of general application33%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles17%

H04LTransmission of digital information, e.g. telegraphic communication17%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2021Patents assigned to HUAWEI TECH CO LTD (1)· patent assignee history

2021–2023Based in CN· patent location history

2022–2023Patents assigned to HANGZHOU SANHUA RES INST CO LTD (2)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HANGZHOU SANHUA RES INST CO LTD	2	2022–2023
HUAWEI TECH CO LTD	1	2021

Locations

Location	Patents	Span
CN	3	2021–2023