LexDanaLexDanabeta
Inventor

Heinz-Otto Fiesel

Inventor
Lunen, DE

Overview

4→
Patents
1991–1993
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E21Cprimary
E21CMining or quarrying75%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors25%
PatentTitleYear
5,184,873'Guides for mineral winning machines'19935,167,438'Guides for mineral winning ploughs'19925,139,313'Guides for mineral winning ploughs'19925,033,604'Connections between the pans of scraper-chain conveyors'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1993Patents assigned to GEWERK EISENHUETTE WESTFALIA (4)· patent assignee history
1991–1993Based in Lunen, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEWERK EISENHUETTE WESTFALIA41991–1993
Locations
LocationPatentsSpan
Lunen, DE41991–1993