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Inventor

David H. De Young

Inventor
Export, PA, US

Overview

2→
Patents
1988–2002
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

C22Bprimary
C22BProduction and refining of metals33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
Y02PClimate change mitigation technologies in the production or processing of goods33%
PatentTitleYear
6,337,564'Detecting and classifying hard and soft inclusions in liquid metal'20024,769,069'Process for production of aluminum by carbothermic production of alkaline earth metal aluminide and stripping of aluminum from alkaline earth metal aluminide with halide stripping agent'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to ALUMINUM CO OF AMERICA (1)· patent assignee history
1988Based in Plum Boro, PA, US· patent location history
2002Patents assigned to ALCOA INC (1)· patent assignee history
2002Based in Export, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ALCOA INC12002
ALUMINUM CO OF AMERICA11988
Locations
LocationPatentsSpan
Export, Pennsylvania, US12002
Plum Boro, Pennsylvania, US11988