Inventor

Dwight R. Diercks

Inventor

Plainfield, IL, US

Overview

1987

Patent span

Chemistry

Primary field (CPC C)

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

C21Bprimary

C21BManufacture of iron or steel25%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel25%

F27BFurnaces, kilns, ovens or retorts in general25%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace25%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1987Patents assigned to US ENERGY (1)· patent assignee history

1987Based in Plainfield, IL, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
US ENERGY	1	1987

Locations

Location	Patents	Span
Plainfield, Illinois, US	1	1987