LexDanaLexDanabeta
Inventor

Wilhelm Althaler

Inventor
Vienna, AT

Overview

3→
Patents
1978–1981
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.

E21Dprimary
E21DShafts75%
G01DMeasuring not specially adapted for a specific variable25%
PatentTitleYear
4,302,133'Device for supporting a gallery or a tunnel'19814,263,005'Device for provisionally consolidating a gallery and suitable consolidating frame'19814,075,856'Device for consecutively supporting a drift'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1981Patents assigned to VOEST AG (2)· patent assignee history
1978–1981Based in Vienna, AT· patent location history
1981Patents assigned to VOEST ALPINE AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VOEST AG21978–1981
VOEST ALPINE AG11981
Locations
LocationPatentsSpan
Vienna, AT31978–1981