Inventor

Walter Lugscheider

Inventor

Linz, AT

Overview

18→

Patents

1981–1990

Patent span

Chemistry

Primary field (CPC C)

Patents· 18 as inventor

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

H05Bprimary

H05BElectric heating19%

C22BProduction and refining of metals13%

C21BManufacture of iron or steel11%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace11%

Y02PClimate change mitigation technologies in the production or processing of goods9%

F27BFurnaces, kilns, ovens or retorts in general8%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel6%

C01BNon-metallic elements4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

B01DSeparation2%

PatentTitleYear

4,940,487'Process for utilizing of zinc-containing metallurgical dusts and sludges'1990 4,673,510'Process for the disposal of settled sludge derived from a biological sewage-disposal plant'1987 4,651,656'Method for processing a heavy-metal-containing residue from the chemical industry'1987 4,644,557'Process for the production of calcium carbide and a shaft furnace for carrying out the process'1987 4,617,671'Arrangement for producing metals, such as molten pig iron, steel pre-material and ferroalloys'1986 4,606,038'Plant for producing calcium carbide'1986 4,546,483'Plasma melting furnace arrangement'1985 4,533,385'Method for producing metals, such as molten pig iron, steel pre-material and ferroalloys'1985 4,518,419'Method of carrying out metallurgical or chemical processes in a shaft furnace, and a low shaft furnace therefor'1985 4,518,417'Method of, and arrangement for, reducing oxide-containing fine-particle ores'1985 4,504,307'Method for carrying out melting, melt-metallurgical and/or reduction-metallurgical processes in a plasma melting furnace as well as an arrangement for carrying out the method'1985 4,493,088'Plasma melting furnace'1985 4,436,290'Plasma melting furnace arrangement'1984 4,426,709'Arrangement for the production of steel'1984 4,423,512'Plasma melting furnace'1983 4,414,673'Plasma melting furnace'1983 4,396,421'Method of, and arrangement for, producing molten pig iron or steel pre-material'1983 4,289,541'Process of cleaning an austenitic steel surface'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to VOEST AG (1)· patent assignee history

1981–1987Based in Linz, AT· patent location history

1983–1987Patents assigned to VOEST ALPINE AG (15)· patent assignee history

1985–1987Patents assigned to SUEDDEUTSCHE KALKSTICKSTOFF (3)· patent assignee history

1990Patents assigned to VOEST ALPINE STAHL DONAWITZ (1)· patent assignee history

1990Based in Graz, AT· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
VOEST ALPINE AG	15	1983–1987
SUEDDEUTSCHE KALKSTICKSTOFF	3	1985–1987
VOEST AG	1	1981
VOEST ALPINE STAHL DONAWITZ	1	1990

Locations

Location	Patents	Span
Linz, AT	17	1981–1987
Graz, AT	1	1990