Inventor

HongHoa Cao

Inventor

Qingdao, CN

Overview

2005–2021

Patent span

Electricity

Primary field (CPC H)

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

A61Mprimary

A61MDevices for introducing media into, or onto, the body11%

B23CMilling11%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling11%

G05BControl or regulating systems in general11%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy11%

H01RElectrically-conductive connections11%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters11%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

Y02PClimate change mitigation technologies in the production or processing of goods11%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2005Patents assigned to CODMAN & SHURTLEFF (1)· patent assignee history

2005Based in Austin, TX, US· patent location history

2021Patents assigned to CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (1)· patent assignee history

2021Patents assigned to CRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD (1)· patent assignee history

2021Patents assigned to CRRC QINGDAO SIFANG ROLLING STOCK RES INSTITUTE CO LTD CN (1)· patent assignee history

2021Patents assigned to SHANGHAI JINZHAO ENERGY SAVING TECH CO LTD (1)· patent assignee history

2021Based in Qingdao, CN· patent location history

2021Based in Ningde, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CODMAN & SHURTLEFF	1	2005
CONTEMPORARY AMPEREX TECHNOLOGY CO LTD	1	2021
CRRC QINGDAO SIFANG ROLLING STOCK RES INST CO LTD	1	2021
CRRC QINGDAO SIFANG ROLLING STOCK RES INSTITUTE CO LTD CN	1	2021
SHANGHAI JINZHAO ENERGY SAVING TECH CO LTD	1	2021

Locations