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Inventor

Otto Krassnitzer

Inventor
Zeltweg, AT

Overview

3→
Patents
1992–1996
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 3 as inventor

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

E21Cprimary
E21CMining or quarrying40%
F16HGearing40%
Y10TTechnical subjects covered by former us classification20%
PatentTitleYear
5,557,979'Gear box'19965,108,154'Drive arrangement for shearing drums'19925,098,166'Device for feeding fluid for the spraying of picks in a shearing drum'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to VOEST ALPINE ZELTWEG (2)· patent assignee history
1992–1996Based in Zeltweg, AT· patent location history
1996Patents assigned to VOEST ALPINE BERGTECHNIK (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VOEST ALPINE ZELTWEG21992
VOEST ALPINE BERGTECHNIK11996
Locations
LocationPatentsSpan
Zeltweg, AT31992–1996