Inventor

ZHANGFENG ZHENG

Inventor

Overview

2024–2025

Patent span

Chemistry

Primary field (CPC C)

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

C22Bprimary

C22BProduction and refining of metals13%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%

Y02PClimate change mitigation technologies in the production or processing of goods13%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management13%

C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium9%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals9%

C01GCompounds containing metals not covered by subclasses c01d or c01f9%

C01BNon-metallic elements4%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

2024Patents assigned to WORCESTER POLYTECH INST (2)· patent assignee history

2024–2025Based in US· patent location history

2025Patents assigned to ASCEND ELEMENTS INC (1)· patent assignee history

2025Patents assigned to Battery Resourcers LLC (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
US	3	2024–2025