Inventor

Kurt Stift

Inventor

Leoben, AT

Overview

9→

Patents

1976–1989

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

C21Bprimary

C21BManufacture of iron or steel38%

Y02PClimate change mitigation technologies in the production or processing of goods25%

C22BProduction and refining of metals8%

F27BFurnaces, kilns, ovens or retorts in general8%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state4%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution4%

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

4,861,369'Process for gaining electric energy in addition to producing molten pig iron and an arrangement for carrying out the process'1989 4,407,864'Process for treating iron sponge'1983 4,396,421'Method of, and arrangement for, producing molten pig iron or steel pre-material'1983 4,384,886'Process for zinc removal from oxide-containing iron sources'1983 4,376,139'Process for treating metallic starting materials for smelting plants, particularly iron sponge particles'1983 4,254,167'Process of treating sponge iron for protection against reoxidation and apparatus for carrying out the process'1981 4,032,121'Process for the production of iron from iron ores and apparatus for carrying out said process'1977 4,001,008'Method and apparatus for the reduction of ores, especially iron ores'1977 3,991,987'Rotary kiln and hearth furnace'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1981Patents assigned to VOEST AG (4)· patent assignee history

1976–1989Based in Leoben, AT· patent location history

1983Patents assigned to VOEST ALPINE AG (4)· patent assignee history

1989Patents assigned to KORF ENGINEERING GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
VOEST AG	4	1976–1981
VOEST ALPINE AG	4	1983
KORF ENGINEERING GMBH	1	1989

Locations

Location	Patents	Span
Leoben, AT	9	1976–1989