Inventor

Ludwig von Bogdandy

Inventor

Linz, AT

Overview

10→

Patents

1979–1991

Patent span

Chemistry

Primary field (CPC C)

Patents· 10 as inventor

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

Y02Pprimary

Y02PClimate change mitigation technologies in the production or processing of goods32%

C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel24%

C21BManufacture of iron or steel12%

B23KSoldering or unsoldering8%

C21DModifying the physical structure of ferrous metals8%

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%

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

Y10TTechnical subjects covered by former us classification4%

PatentTitleYear

4,993,689'Convertor for continuously melting scrap with tapping means'1991 4,957,547'Process for continuously melting of steel'1990 4,925,489'Process for melting scrap iron, sponge iron and/or solid pig iron'1990 4,895,594'Process for continuously melting scrap'1990 4,861,369'Process for gaining electric energy in addition to producing molten pig iron and an arrangement for carrying out the process'1989 4,566,904'Process for the production of iron'1986 4,357,160'Process for improving the use of heat in steel production from solid iron material'1982 4,304,598'Method for producing steel from solid, iron containing pieces'1981 4,159,918'Method of manufacturing a compound steel material of a high corrosion resistance'1979 4,140,550'Method of manufacturing a compound steel material of a high corrosion resistance'1979

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979–1982Patents assigned to KLOECKNER WERKE AG (4)· patent assignee history

1979–1986Based in Oberhausen-Sterkrade-Nord, DT· patent location history

1981Based in Oberhausen, DE· patent location history

1986Patents assigned to KLOECKNER CRA TECH (1)· patent assignee history

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

1989–1991Based in Linz, AT· patent location history

1990–1991Patents assigned to VOEST ALPINE STAHL DONAWITZ (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KLOECKNER WERKE AG	4	1979–1982
VOEST ALPINE STAHL DONAWITZ	4	1990–1991
KLOECKNER CRA TECH	1	1986
KORF ENGINEERING GMBH	1	1989

Locations

Location	Patents	Span
Linz, AT	5	1989–1991
Oberhausen-Sterkrade-Nord, DT	4	1979–1986
Oberhausen, DE	1	1981