Inventor

Heinz Lehmann

Inventor

Hamburg, DE

Overview

1977–1985

Patent span

Performing operations

Primary field (CPC B)

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

B65Hprimary

B65HHandling thin or filamentary material, e.g. sheets, webs, cables13%

C04BLime, magnesia13%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%

Y10TTechnical subjects covered by former us classification13%

B05DProcesses for applying fluent materials to surfaces, in general6%

B28BShaping clay or other ceramic compositions6%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%

B62DMotor vehicles6%

C09DCoating compositions, e.g. paints, varnishes or lacquers6%

G01MTesting static or dynamic balance of machines or structures6%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1977–1978Patents assigned to HOECHST AG (2)· patent assignee history

1977–1978Based in Kriftel, DE· patent location history

1981Patents assigned to BAERENSTEIN ELEKTRON VEB (1)· patent assignee history

1981Based in Lauenstein, DE· patent location history

1983–1985Patents assigned to WILL E C H GMBH & CO (2)· patent assignee history

1983–1985Based in Hamburg, DE· patent location history

1984Patents assigned to FORTSCHRITT VEB K (1)· patent assignee history

1984Patents assigned to MEYER AG ZUCHWIL (1)· patent assignee history

1984Based in Schonebeck, DD· patent location history

1984Based in Bettlach, CH· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations