Inventor
Wolfram Schnabel
Inventor
Idstein, DE
Overview
Patents· 21 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Bprimary
C21BManufacture of iron or steel27%
Y02PClimate change mitigation technologies in the production or processing of goods23%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace7%
F23GCremation furnaces5%
C04BLime, magnesia4%
C21CProcessing of pig-iron, e.g. refining, manufacture of wrought-iron or steel4%
C22BProduction and refining of metals4%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air4%
F27BFurnaces, kilns, ovens or retorts in general4%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices4%
PatentTitleYear
5,636,581'Grate bar and grate with cooling apparatus and process for cooling'19974,838,934'Process for a direct reduction of iron oxide containing materials in a rotary kiln'19894,676,824'Process for generating heat and producing sponge iron'19874,581,401'Radiation sensitive polymeric material'19864,551,172'Process of producing liquid carbon-containing iron'19854,551,414'Positive resist material'19854,539,188'Process of afterburning and purifying process exhaust gases'19854,490,168'Process of making steel by melting sponge iron in an electric arc furnace'19844,469,509'Process of producing sponge iron by a direct reduction of iron oxide-containing material in a rotary kiln'19844,443,250'Process of producing sponge iron by a direct reduction of iron oxide-containing materials'19844,436,286'Process of afterburning combustible constituents of exhaust gases from rotary kilns'19844,391,583'Process of thermally treating bulk materials in a rotary kiln'19834,369,059'Process of directly reducing iron oxide containing materials in a rotary kiln'19834,368,177'Process of producing quicklime by calcining in a rotary kiln'19834,312,666'Steel making process'19824,259,081'Process of calcining limestone in a rotary kiln'19814,247,323'Process of directly reducing iron oxide-containing materials'19814,238,222'Waelz process of volatilizing zinc and lead from iron oxide-containing materials'19804,181,520'Process for the direct reduction of iron oxide-containing materials in a rotary kiln'19804,179,280'Direct-reduction process carried out in a rotary kiln'19794,144,052'Process of directly reducing iron-containing oxidic materials'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1989Patents assigned to METALLGESELLSCHAFT AG (18)· patent assignee history
1979–1983Based in Hattersheim, DE· patent location history
1983–1987Based in Idstein, DE· patent location history
1984–1985Patents assigned to MANNESMANN AG (2)· patent assignee history
1985Patents assigned to MAX PLANCK GESELLSCHAFT (1)· patent assignee history
1985–1986Based in Berlin, DE· patent location history
1986Patents assigned to ROEHM GMBH (1)· patent assignee history
1989Based in Willich, DE· patent location history
1997Patents assigned to NOELL ABFALL & ENERGIETECH (1)· patent assignee history
1997Based in Hochberg, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| METALLGESELLSCHAFT AG | 18 | 1979–1989 |
| MANNESMANN AG | 2 | 1984–1985 |
| MAX PLANCK GESELLSCHAFT | 1 | 1985 |
| NOELL ABFALL & ENERGIETECH | 1 | 1997 |
| ROEHM GMBH | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Idstein, DE | 8 | 1983–1987 |
| Hattersheim, DE | 8 | 1979–1983 |
| Berlin, DE | 2 | 1985–1986 |
| Hochberg, DE | 1 | 1997 |
| Willich, DE | 1 | 1989 |