Inventor

Wolfgang Grams

Inventor

Herne, DE

Overview

1976–1983

Patent span

Chemistry

Primary field (CPC C)

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

C10Jprimary

C10JProduction of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures containing these gases35%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests15%

C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials9%

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

C21BManufacture of iron or steel6%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors3%

C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide3%

C22BProduction and refining of metals3%

F22BMethods of steam generation3%

F23QIgnition3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1976–1983Patents assigned to OTTO & CO GMBH DR C (15)· patent assignee history

1976–1978Based in Wanne-Eickel, DT· patent location history

1978–1983Based in Herne, DE· patent location history

1979–1983Patents assigned to SAARBERGWERKE AG (4)· patent assignee history

1983Patents assigned to SAARBERG & DR C OTTO GES FUR K (1)· patent assignee history

Assignee and location history derived from the patent record.

Assignees

Locations

Location	Patents	Span
Herne, DE	9	1978–1983
Wanne-Eickel, DT	7	1976–1978