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Inventor

Haydn Davies

Inventor
Fonthill, CA

Overview

5→
Patents
1979–1993
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C22Bprimary
C22BProduction and refining of metals43%
C10GCracking hydrocarbon oils29%
C01BNon-metallic elements14%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel14%
PatentTitleYear
5,180,423'Converter and method for top blowing nonferrous metal'19934,830,667'Pyrometallurgical copper refining'19894,400,182'Vaporization and gasification of hydrocarbon feedstocks'19834,300,999'Gas oil purification'19814,165,979'Flash smelting in confined space'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to INT NICKEL CO (1)· patent assignee history
1979–1993Based in Fonthill, CA· patent location history
1981–1983Patents assigned to BRITISH GAS CORP (2)· patent assignee history
1981–1983Based in Solihull, GB· patent location history
1989–1993Patents assigned to INCO LTD (2)· patent assignee history
1989Based in Sudbury, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRITISH GAS CORP21981–1983
INCO LTD21989–1993
INT NICKEL CO11979
Locations
LocationPatentsSpan
Fonthill, CA21979–1993
Solihull, GB21981–1983
Sudbury, CA11989