Inventor

Huatang Yuan

Inventor

Tianjin, CN

Overview

1993–1996

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

H01Mprimary

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy28%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution28%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%

B22FWorking metallic powder6%

C01BNon-metallic elements6%

Y02PClimate change mitigation technologies in the production or processing of goods6%

Y10TTechnical subjects covered by former us classification6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1993Patents assigned to CAO XUEJUN (1)· patent assignee history

1993Patents assigned to CHEN JUN (1)· patent assignee history

1993Patents assigned to CHEN YOUXIAO (1)· patent assignee history

1993Patents assigned to SONG DEYING (1)· patent assignee history

1993–1996Based in Tianjin, CN· patent location history

1994Patents assigned to NAN KAI UNIVERSITY (2)· patent assignee history

1994Based in Southwest Village, CN· patent location history

1994Based in CN· patent location history

1995Based in Nankai University, CN· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations