Inventor

Wilhelm Gebetsberger

Inventor

Barnstorf, DE

Overview

2→

Patents

1980–1981

Patent span

Chemistry

Primary field (CPC C)

Patents· 2 as inventor

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

C09Kprimary

C09KMaterials for miscellaneous applications, not provided for elsewhere22%

E21BEarth or rock drilling22%

B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles11%

C12NMicroorganisms or enzymes11%

C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture11%

G05DSystems for controlling or regulating non-electric variables11%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%

PatentTitleYear

4,286,660'Process and installation for the flooding of petroleum deposits and oil shale'1981 4,223,730'Method for the tertiary recovery of petroleum by flooding with hot water and an aqueous alkaline solution'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to WINTERSHALL AG (1)· patent assignee history

1980–1981Based in Barnstorf, DE· patent location history

1981Patents assigned to BIOTECHNOLOG FORSCHUNG GMBH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BIOTECHNOLOG FORSCHUNG GMBH	1	1981
WINTERSHALL AG	1	1980

Locations

Location	Patents	Span
Barnstorf, DE	2	1980–1981