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Inventor

Helmut Prekel

Inventor
Lindau, DE

Overview

3→
Patents
1998
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

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

G01Bprimary
G01BMeasuring length, thickness or similar linear dimensions50%
G01NInvestigating or analysing materials by determining their chemical or physical properties50%
PatentTitleYear
5,841,138'Method of an apparatus for nondestructuve workpiece testing'19985,803,606'Surface photothermic testing device'19985,760,400'Method and a device for photothermally testing workpieces'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998Patents assigned to WAGNER INT (2)· patent assignee history
1998Patents assigned to PHOTOTHERM DR PETRY GMBH (1)· patent assignee history
1998Based in Lindau, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WAGNER INT21998
PHOTOTHERM DR PETRY GMBH11998
Locations
LocationPatentsSpan
Lindau, DE31998