Inventor

Helmuth Krauss

Inventor

Bensheim, DE

Overview

4→

Patents

1988–1992

Patent span

Performing operations

Primary field (CPC B)

Patents· 4 as inventor

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

Y10Sprimary

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

B01DSeparation10%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers10%

B67CCleaning, filling with liquids or semiliquids, or emptying, of bottles, jars, cans, casks, barrels, or similar containers, not otherwise provided for10%

C01BNon-metallic elements10%

F16KValves10%

G01NInvestigating or analysing materials by determining their chemical or physical properties10%

Y10TTechnical subjects covered by former us classification10%

PatentTitleYear

5,108,465'Process and device for obtaining pure oxygen'1992 4,837,373'Test strips'1989 4,805,675'Valves for chemical containers'1989 4,741,457'Transport container'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1992Patents assigned to MERCK PATENT GMBH (4)· patent assignee history

1988–1992Based in Bensheim, DE· patent location history

1989Based in Heppenheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MERCK PATENT GMBH	4	1988–1992

Locations

Location	Patents	Span
Bensheim, DE	3	1988–1992
Heppenheim, DE	1	1989