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Inventor

Norbert Grief

Inventor
Aachen, DE

Overview

3→
Patents
1980–1994
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B65Gprimary
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors40%
C07DHeterocyclic compounds20%
C14CChemical treatment of hides, skins or leather, e.g. tanning, impregnating, finishing20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,360,454'Tanning of leather and fur'19944,651,869'Apparatus having a vibratory drive for the feeding of workpieces in rows'19874,239,120'Device for the bunkering and assorted feeding of small parts'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1987Patents assigned to RHEIN NADEL AUTOMATION (2)· patent assignee history
1980–1987Based in Aachen, DE· patent location history
1994Patents assigned to BASF AG (1)· patent assignee history
1994Based in Bobenheim-Roxheim, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RHEIN NADEL AUTOMATION21980–1987
BASF AG11994
Locations
LocationPatentsSpan
Aachen, DE21980–1987
Bobenheim-Roxheim, DE11994